api!: remove SQLCipher support

chore: update rusqlite from 0.37 to 0.40.2
Largest change comes from removal of u64 and usize serialization in rusqlite 0.38.0. It is possible to enable it back with `fallible_uint` feature as suggested in https://github.com/rusqlite/rusqlite/pull/1732, but there is a good reason for this change as it may result in unexpected failures when trying to store u64 integers that don't fit in i64, so I don't enable it back. With this change conversions between i64 and u64 are explicit. Using less `usize` is generally good as its size differs on 32-bit platforms that are rarely tested but still supported and we have changes that reduce its usage such as 0defa117a0, 014d2ace76 etc.
2026-10-03 19:50:33 +03:00 · 2026-09-23 22:32:05 +00:00 · 2026-09-23 18:31:27 +00:00 · 2026-09-23 12:13:40 +00:00 · 2026-09-23 13:09:52 +02:00 · 2026-09-23 11:05:50 +00:00
163 changed files with 4172 additions and 4430 deletions
@@ -20,7 +20,7 @@ permissions: {}

 env:
  RUSTFLAGS: -Dwarnings
-  RUST_VERSION: 1.98.0
+  RUST_VERSION: 1.98.1

  # Minimum Supported Rust Version
  MSRV: 1.89.0
@@ -31,15 +31,15 @@ jobs:
          package-manager-cache: false  # never use caching in release builds

      - name: Install dependencies without running scripts
-        working-directory: deltachat-jsonrpc/typescript
+        working-directory: deltachat-jsonrpc-bindings/typescript
        run: npm install --ignore-scripts

      - name: Package
-        working-directory: deltachat-jsonrpc/typescript
+        working-directory: deltachat-jsonrpc-bindings/typescript
        run: |
          npm run build
          npm pack .

      - name: Publish
-        working-directory: deltachat-jsonrpc/typescript
+        working-directory: deltachat-jsonrpc-bindings/typescript
        run: npm publish --provenance deltachat-jsonrpc-client-* --access public
@@ -30,16 +30,16 @@ jobs:
          save-if: ${{ github.ref == 'refs/heads/main' }}
          cache-bin: false
      - name: npm install
-        working-directory: deltachat-jsonrpc/typescript
+        working-directory: deltachat-jsonrpc-bindings/typescript
        run: npm install
      - name: Build TypeScript, run Rust tests, generate bindings
-        working-directory: deltachat-jsonrpc/typescript
+        working-directory: deltachat-jsonrpc-bindings/typescript
        run: npm run build
      - name: Run integration tests
-        working-directory: deltachat-jsonrpc/typescript
+        working-directory: deltachat-jsonrpc-bindings/typescript
        run: npm run test
        env:
          CHATMAIL_DOMAIN: ${{ vars.CHATMAIL_DOMAIN }}
      - name: Run linter
-        working-directory: deltachat-jsonrpc/typescript
+        working-directory: deltachat-jsonrpc-bindings/typescript
        run: npm run prettier:check
@@ -81,7 +81,7 @@ jobs:

    defaults:
      run:
-        working-directory: ./deltachat-jsonrpc/typescript
+        working-directory: ./deltachat-jsonrpc-bindings/typescript

    steps:
      - uses: actions/checkout@v7
@@ -104,7 +104,7 @@ jobs:
          mkdir -p "$HOME/.ssh"
          echo "${{ secrets.JS_JSONRPC_DOCS_SSH_KEY }}" > "$HOME/.ssh/key"
          chmod 600 "$HOME/.ssh/key"
-          rsync -avzh --delete -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/deltachat-jsonrpc/typescript/docs/ "${{ secrets.JS_JSONRPC_DOCS_SSH_USER }}@js.jsonrpc.delta.chat:"
+          rsync -avzh --delete -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/deltachat-jsonrpc-bindings/typescript/docs/ "${{ secrets.JS_JSONRPC_DOCS_SSH_USER }}@js.jsonrpc.delta.chat:"

  build-cffi:
    runs-on: ubuntu-latest
@@ -1,11 +1,219 @@
 # Changelog

+## [2.62.0] - 2026-09-22
+
+### API-Changes
+
+- Remove unused ImapMessageMoved event.
+- [**breaking**] get rid of `Qr::FprWithoutAddr` and `Qr::FprMismatch` variants.
+  - removed `DC_QR_FPR_WITHOUT_ADDR` and `DC_QR_FPR_MISMATCH` constants from CFFI
+  - removed FprWithoutAddr and FprMismatch variants from JSON-RPC QrObject returned by `check_qr`
+
+### Features / Changes
+
+- Don't show "member added" messages in channels ([#8730](https://github.com/chatmail/core/pull/8730)).
+
+### Fixes
+
+- Don't notify about a reaction sent by a blocked contact ([#8729](https://github.com/chatmail/core/pull/8729)).
+- keep a message read status if a failure arrives later.
+- prefer login errors over connection errors in the log message ([#8727](https://github.com/chatmail/core/pull/8727)).
+- blocked or email contacts contacts are never recently seen or old ([#8733](https://github.com/chatmail/core/pull/8733)).
+
+### Refactor
+
+- Remove code that moves messages between IMAP folders.
+
+## [2.61.0] - 2026-09-21
+
+### API-Changes
+
+- add `init_transports()` for multi-relay onboarding.
+- add JSON-RPC API `is_sending_finished()`.
+- [**breaking**] remove verification methods from the FFI and JSON-RPC APIs.
+  - `dc_contact_is_verified()` and `dc_contact_get_verifier_id()` are removed.
+  - the JSON-RPC Contact object loses the `isVerified` and `verifierId` fields. A bot reading `snapshot.is_verified` now gets an `AttributeError` at runtime.
+  - the Python bindings lose `Contact.is_verified()` and `Contact.get_verifier()`.
+  - `DC_STR_CONTACT_VERIFIED` (35) is removed, so UIs should stop registering a translation for it. A stock id core does not know is logged and otherwise ignored, so an un-updated client keeps working.
+- [**breaking**] remove default value for "addr" config.
+- [**breaking**] remove `addr` field from Account objects in JSON-RPC APIs.
+  - `list_transports()` should be used instead.
+- [**breaking**] remove `is_chatmail` and the XCHATMAIL capability.
+  - `is_chatmail` is no longer a known config key.
+- [**breaking**] remove `Contact.get_name_n_addr()` and related APIs.
+  - `dc_contact_get_name_n_addr()` CFFI is removed
+  - JSON-RPC contact objects don't have nameAndAddr field anymore
+- [**breaking**] replace `was_seen_recently` by `freshness` in contact object.
+  - use contact's `freshness` instead of `seen_recently`
+
+### Fixes
+
+- always emit `AccountsBackgroundFetchDone`.
+- make `background_fetch` not wait on or trigger SMTP connections.
+- do not send a sync message when changing `configured_addr`.
+- emit `SmtpMessageSent` event after deleting the message from SMTP queue.
+- don't use extra STUN nine server for fallback.
+- use `max_smtp_rcpt_to` chunking for the actual transport we are sending from.
+- use correct `From` address when sending MDNs.
+- use correct address for Bcc-self in unencrypted mails.
+- don't emit configure progress events during background relay additions.
+
+### Features / Changes
+
+- better quality of image recoding ([#8682](https://github.com/chatmail/core/pull/8682)).
+- perform background fetch from all transports.
+- queue messages for SMTP before encryption.
+- [**breaking**] stop tracking contact verification.
+  - the statistics JSON sent to the self-reporting-bot on Android changes: Contacts have `encrypted` instead of `verified` and lose `transitive_chain` properties and message stats have `encrypted` instead of `verified` and `unverified_encrypted`, and securejoin invites lose `already_verified`. The collecting bot stores incoming reports verbatim but analysis will have to make sense of older and newer reports.
+- remove last usage of XDELTAPUSH capability.
+- base server-side message deletion on `force_encryption`.
+- do not restart I/O when setting `configured_addr`.
+- do not use ConfiguredAddr when connecting to SMTP.
+- mark autorelays for relay operators ([#8701](https://github.com/chatmail/core/pull/8701)).
+- try fasted relays to attempt first configure on.
+- do not mark message as failed for which we got a read receipt before.
+- a single NDN does not mark a group message as failed.
+
+### Documentation
+
+- update `sys.msgsize_max_recommended` documentation.
+- add hint about how to reset an invitation ([#8160](https://github.com/chatmail/core/pull/8160)).
+- mention `get_app_version()` API in the changelog for 2.59.0.
+- remove `protect_autocrypt` setting.
+
+### Miscellaneous Tasks
+
+- cleanup "primary" wording in comments.
+- update rustls to 0.23.45.
+- fix nightly "cargo" warnings.
+- fix some types in `deltachat_rpc_client`.
+
+### Refactor
+
+- add `Encryption.is_encrypted()`.
+- separate QueuedEncryption.
+- sql: disable double-quoted string literals.
+- add smtp::queue module.
+- substitute configure progress macro with simple function call.
+
+### Tests
+
+- cleanup `get_smtp_rows_for_msg()`.
+- cross-core securejoin invites for every chat type.
+- explicitly empty url in appversion updates ([#8702](https://github.com/chatmail/core/pull/8702)).
+- do not talk about "inconsistent key state" in `test_securejoin_after_contact_resetup`.
+- rename `test_aeap_transition_{0,1}` to `test_aeap_transition_{single,group}`.
+- do not fetch all messages when `direct_imap` is created.
+- `direct_imap`: always pass `mark_seen=False` to fetch().
+- add pseudo transport explicitly rather than by setting ConfiguredAddr.
+
+## [2.60.0] - 2026-09-11
+
+### API-Changes
+
+- [**breaking**] remove a relay immediately instead of unpublishing it.
+  - `set_transport_unpublished()` is removed: UIs call `delete_transport()` when the user removes a relay.
+  - `list_transports_ex()` and the `TransportListEntry` type are removed: use `list_transports()`.
+  - `delete_transport()` no longer refuses to remove the primary transport: it refuses only to remove the last one and re-elects the sending transport as needed.
+  - `TransportsModified` is now also emitted on the device modifying the transports, not only on devices applying the synced change.
+- [**breaking**] do not load webxdc icon if it has too large dimensions.
+  - `get_webxdc_blob()` may fail to load `icon.png` or `icon.jpg` if image dimensions are too large.
+    Fixing the issue discovered by https://github.com/Sergei768
+- Generate JSON-RPC headers at build time ([#8350](https://github.com/chatmail/core/pull/8350)).
+- Generate Qt JSON-RPC bindings ([#8330](https://github.com/chatmail/core/pull/8330)).
+
+### Features / Changes
+
+- Introduce keyupdate messages informing contacts about relay changes.
+- Remove `Final-Recipient` from MDNs (and keyupdates).
+- Carry all published relay addresses in securejoin links ([#8591](https://github.com/chatmail/core/pull/8591)).
+- Use display name for contacts in encryption info ([#8609](https://github.com/chatmail/core/pull/8609)).
+- Do not create device messages for IMAP authentication errors.
+- Delete avatars referred to by parameters of special contacts.
+- Import `Autocrypt-Gossip` keys without checking the addresses.
+- Ignore `Chat-Disposition-Notification-To` value.
+- Increase `sys.msgsize_max_recommended` to match chatmail relay message size limit.
+
+### Fixes
+
+- Do not try to load profile image from param for self.
+- Send legacy securejoin key requests as `multipart/mixed` so they are not rejected by chatmail relays.
+- rpc: avoid hang when requests race a dying rpc-server.
+- Take `timestamp_rcvd` into account in `estimate_deletion_cnt`.
+- Reliably complete configuration with progress=1000 or progress=0.
+- Make `create_send_msg_jobs` actually return row IDs.
+- Don't notify of missed call from blocked user.
+- Trash MDNs that reference no message early.
+- Return no relay address for key-contacts without an address.
+- Do not emit events in `set_profile_image()` if contact avatar is unchanged.
+- Remove `Original-Recipient` field from MDNs.
+- ffi: support custom allocators in event string getters.
+- Start checking column documentation in CI and add comment for `transports.add_timestamp`.
+- Sanitize `version_string` we got from the wire ([#8582](https://github.com/chatmail/core/pull/8582))
+- RUSTSEC-2026-0258 ([#8603](https://github.com/chatmail/core/pull/8603)).
+
+### Build system
+
+- Use `--locked` in `scripts/clippy.sh`.
+- Produce correct wheel metadata.
+
+### Documentation
+
+- Always suggest using `--locked` with "cargo install".
+- JSON-RPC: clarify when `reactions` is `None`.
+- Fix async-imap and async-smtp URLs in README.md ([#8637](https://github.com/chatmail/core/pull/8637)).
+- Update the timeout value in `DC_EVENT_CALL_ENDED` description.
+
+### Refactor
+
+- Don't store email address in location KML. ([#8615](https://github.com/chatmail/core/pull/8615)).
+- Turn `DC_CHAT_ID_*` into `ChatId::*` associated constants.
+- Turn `DC_MSG_ID_*` into `MsgId::*` associated constants.
+- Don't include email addresses in export filenames ([#8626](https://github.com/chatmail/core/pull/8626)).
+- Make `create_send_msg_jobs()` private.
+- Rename `automatic_relay_management` to autorelay.
+- Extract shared pieces for non-chat messages.
+- Remove unused functions from the tools module.
+- Remove the code to set own avatar in `set_profile_image()`.
+- Move pgp tests to submodule.
+- Split `flake.nix` into multiple files.
+- Use `&[..]` instead of `&Vec<..>`.
+
+### Tests
+
+- [**breaking**] rename rpc fixtures to disambiguate from ffi fixtures.
+- Test `dc_send_msg_sync()`.
+- Print which error/warning was expected if it does not arrive.
+
+### CI
+
+- Update Rust to 1.98.1.
+
+### Miscellaneous Tasks
+
+- Add script to show the sizes of futures (async Rust) ([#8536](https://github.com/chatmail/core/pull/8536)).
+- deps: bump zizmorcore/zizmor-action from 0.6.1 to 0.6.2.
+- deps: bump swatinem/rust-cache from 2.9.1 to 2.9.2.
+- deps: bump pypa/gh-action-pypi-publish from 1.14.1 to 1.14.2.
+- deps: bump taiki-e/install-action from 2.85.1 to 2.86.7.
+- cargo: bump futures from 0.3.33 to 0.3.34.
+- cargo: bump thiserror from 2.0.19 to 2.0.20.
+- cargo: bump syn from 3.0.3 to 3.0.4.
+- cargo: bump log from 0.4.33 to 0.4.34.
+- cargo: bump mail-builder from 0.4.4 to 0.5.0.
+- cargo: bump blake3 from 1.8.5 to 1.8.7.
+- cargo: bump http-body-util from 0.1.3 to 0.1.5.
+- cargo: bump uuid from 1.20.0 to 1.25.0.
+- cargo: bump data-encoding from 2.11.0 to 2.11.1.
+- bump chacha20 0.10.1 to 0.10.2.
+
 ## [2.59.0] - 2026-08-14

 ### API-Changes

 - [**breaking**] Remove deprecated `dc_chat_is_protected()`.
 - Deprecate `dc_chat_get_info_json()` ([#8580](https://github.com/chatmail/core/pull/8580))
+- New `get_app_version()` JSON-RPC API to get information about available updates.

 ### Features / Changes

@@ -8692,3 +8900,6 @@ https://github.com/chatmail/core/pulls?q=is%3Apr+is%3Aclosed
 [2.57.0]: https://github.com/chatmail/core/compare/v2.56.0..v2.57.0
 [2.58.0]: https://github.com/chatmail/core/compare/v2.57.0..v2.58.0
 [2.59.0]: https://github.com/chatmail/core/compare/v2.58.0..v2.59.0
+[2.60.0]: https://github.com/chatmail/core/compare/v2.59.0..v2.60.0
+[2.61.0]: https://github.com/chatmail/core/compare/v2.60.0..v2.61.0
+[2.62.0]: https://github.com/chatmail/core/compare/v2.61.0..v2.62.0
@@ -2,45 +2,59 @@ cmake_minimum_required(VERSION 3.16)
 project(deltachat LANGUAGES C)
 include(GNUInstallDirs)

+option(WITH_JSONRPC_BINDINGS "Generate jsonrpc bindings" OFF)
+
 find_program(CARGO cargo)

 if(APPLE)
-       set(DYNAMIC_EXT "dylib")
+  set(DYNAMIC_EXT "dylib")
 elseif(UNIX)
-       set(DYNAMIC_EXT "so")
+  set(DYNAMIC_EXT "so")
 else()
-       set(DYNAMIC_EXT "dll")
+  set(DYNAMIC_EXT "dll")
 endif()

 if(DEFINED ENV{CARGO_BUILD_TARGET})
-    set(ARCH_DIR "$ENV{CARGO_BUILD_TARGET}")
+  set(CARGO_OUT_DIR "${CMAKE_BINARY_DIR}/target/$ENV{CARGO_BUILD_TARGET}/release")
 else()
-    set(ARCH_DIR "./")
+  set(CARGO_OUT_DIR "${CMAKE_BINARY_DIR}/target/release")
 endif()

-add_custom_command(
-	OUTPUT
-	"${CMAKE_BINARY_DIR}/target/release/libdeltachat.a"
-	"${CMAKE_BINARY_DIR}/target/release/libdeltachat.${DYNAMIC_EXT}"
-	"${CMAKE_BINARY_DIR}/target/release/pkgconfig/deltachat.pc"
-        COMMAND
-        PREFIX=${CMAKE_INSTALL_PREFIX}
-        LIBDIR=${CMAKE_INSTALL_FULL_LIBDIR}
-        INCLUDEDIR=${CMAKE_INSTALL_FULL_INCLUDEDIR}
-	${CARGO} build --target-dir=${CMAKE_BINARY_DIR}/target --release
-	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/deltachat-ffi
-)
+if(WITH_JSONRPC_BINDINGS)
+  set(JSONRPC_ARGS --package deltachat-jsonrpc-bindings)
+endif()

 add_custom_target(
-	lib_deltachat
-	ALL
-	DEPENDS
-	"${CMAKE_BINARY_DIR}/target/release/libdeltachat.a"
-	"${CMAKE_BINARY_DIR}/target/release/libdeltachat.${DYNAMIC_EXT}"
-	"${CMAKE_BINARY_DIR}/target/release/pkgconfig/deltachat.pc"
+  lib_deltachat
+  ALL
+  COMMAND
+    ${CMAKE_COMMAND} -E env
+    CARGO_TARGET_DIR="${CMAKE_BINARY_DIR}/target"
+    PREFIX="${CMAKE_INSTALL_PREFIX}"
+    LIBDIR="${CMAKE_INSTALL_FULL_LIBDIR}"
+    INCLUDEDIR="${CMAKE_INSTALL_FULL_INCLUDEDIR}"
+    ${CARGO} build --release --package deltachat_ffi ${JSONRPC_ARGS}
+  WORKING_DIRECTORY
+    "${CMAKE_CURRENT_SOURCE_DIR}"
 )

-install(FILES "deltachat-ffi/deltachat.h" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-install(FILES "${CMAKE_BINARY_DIR}/target/${ARCH_DIR}/release/libdeltachat.a" DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(FILES "${CMAKE_BINARY_DIR}/target/${ARCH_DIR}/release/libdeltachat.${DYNAMIC_EXT}" DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(FILES "${CMAKE_BINARY_DIR}/target/${ARCH_DIR}/release/pkgconfig/deltachat.pc" DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+install(FILES "deltachat-ffi/deltachat.h" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+install(FILES "${CARGO_OUT_DIR}/libdeltachat.a" DESTINATION "${CMAKE_INSTALL_LIBDIR}")
+install(FILES "${CARGO_OUT_DIR}/libdeltachat.${DYNAMIC_EXT}" DESTINATION "${CMAKE_INSTALL_LIBDIR}")
+install(FILES "${CARGO_OUT_DIR}/pkgconfig/deltachat.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+
+if(WITH_JSONRPC_BINDINGS)
+  install(
+    FILES
+      "${CMAKE_CURRENT_SOURCE_DIR}/deltachat-jsonrpc-bindings/qt/generated/types.hpp"
+      "${CMAKE_CURRENT_SOURCE_DIR}/deltachat-jsonrpc-bindings/qt/generated/client.hpp"
+    DESTINATION
+      "${CMAKE_INSTALL_INCLUDEDIR}/deltachat-jsonrpc/generated"
+  )
+  install(
+    FILES
+      "${CMAKE_CURRENT_SOURCE_DIR}/deltachat-jsonrpc-bindings/qt/deltachat-jsonrpc/cffi_client.hpp"
+    DESTINATION
+      "${CMAKE_INSTALL_INCLUDEDIR}/deltachat-jsonrpc"
+  )
+endif()
@@ -804,9 +804,9 @@ dependencies = [

 [[package]]
 name = "chacha20"
-version = "0.10.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d524456ba66e72eb8b115ff89e01e497f8e6d11d78b70b1aa13c0fbd97540a81"
+checksum = "65c35e4b699c7e15ccbe7ee35c005e4fc0a278d22238a2857e6ce2dadeda1b06"
 dependencies = [
 "cfg-if",
 "cpufeatures 0.3.0",
@@ -1327,7 +1327,7 @@ dependencies = [

 [[package]]
 name = "deltachat"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 dependencies = [
 "anyhow",
 "astral-tokio-tar",
@@ -1435,7 +1435,7 @@ dependencies = [

 [[package]]
 name = "deltachat-jsonrpc"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 dependencies = [
 "anyhow",
 "async-channel 2.5.0",
@@ -1454,9 +1454,16 @@ dependencies = [
 "yerpc",
 ]

+[[package]]
+name = "deltachat-jsonrpc-bindings"
+version = "2.63.0-dev"
+dependencies = [
+ "deltachat-jsonrpc",
+]
+
 [[package]]
 name = "deltachat-repl"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 dependencies = [
 "anyhow",
 "deltachat",
@@ -1472,7 +1479,7 @@ dependencies = [

 [[package]]
 name = "deltachat-rpc-server"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 dependencies = [
 "anyhow",
 "deltachat",
@@ -1501,7 +1508,7 @@ dependencies = [

 [[package]]
 name = "deltachat_ffi"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 dependencies = [
 "anyhow",
 "deltachat",
@@ -2084,6 +2091,12 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"

+[[package]]
+name = "foldhash"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -2404,16 +2417,34 @@ checksum = "5971ac85611da7067dbfcabef3c70ebb5606018acd9e2a3903a0da507521e0d5"
 dependencies = [
 "allocator-api2",
 "equivalent",
- "foldhash",
+ "foldhash 0.1.5",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+dependencies = [
+ "foldhash 0.2.0",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
+dependencies = [
+ "foldhash 0.2.0",
 ]

 [[package]]
 name = "hashlink"
-version = "0.10.0"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
+checksum = "a596f1b20ed2cc5ecac41a164aaebc7258057060f06c0cf7a2ba3991ee7990fb"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.17.1",
 ]

 [[package]]
@@ -2947,7 +2978,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4b0f83760fb341a774ed326568e19f5a863af4a952def8c39f9ab92fd95b88e5"
 dependencies = [
 "equivalent",
- "hashbrown",
+ "hashbrown 0.15.4",
 ]

 [[package]]
@@ -3254,11 +3285,12 @@ checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"

 [[package]]
 name = "js-sys"
-version = "0.3.77"
+version = "0.3.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
+checksum = "ce57d20d1ea864ce2ac172ab472d409214f4fd359f0b2a2775abdf522e2af99e"
 dependencies = [
- "once_cell",
+ "cfg-if",
+ "futures-util",
 "wasm-bindgen",
 ]

@@ -3337,12 +3369,11 @@ dependencies = [

 [[package]]
 name = "libsqlite3-sys"
-version = "0.35.0"
+version = "0.38.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "133c182a6a2c87864fe97778797e46c7e999672690dc9fa3ee8e241aa4a9c13f"
+checksum = "f1d20bef17f513b9b3004532233187769cd072d790971f4e4da0e346eb6401e8"
 dependencies = [
 "cc",
- "openssl-sys",
 "pkg-config",
 "vcpkg",
 ]
@@ -3414,7 +3445,7 @@ version = "0.12.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "234cf4f4a04dc1f57e24b96cc0cd600cf2af460d4161ac5ecdd0af8e1f3b2a38"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.15.4",
 ]

 [[package]]
@@ -4894,7 +4925,7 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7f5fa3a058cd35567ef9bfa5e75732bee0f9e4c55fa90477bef2dfcdbc4be80"
 dependencies = [
- "chacha20 0.10.1",
+ "chacha20 0.10.2",
 "getrandom 0.4.3",
 "rand_core 0.10.1",
 ]
@@ -5204,10 +5235,20 @@ dependencies = [
 ]

 [[package]]
-name = "rusqlite"
-version = "0.37.0"
+name = "rsqlite-vfs"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "165ca6e57b20e1351573e3729b958bc62f0e48025386970b6e4d29e7a7e71f3f"
+checksum = "c51c9ae4df8a7fba42103df5c621fa3c37eccf3a3c650879e90fc48b11cc192c"
+dependencies = [
+ "hashbrown 0.16.1",
+ "thiserror 2.0.20",
+]
+
+[[package]]
+name = "rusqlite"
+version = "0.40.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23f2a97da3e3873c73cb2a2e71b35c40ff95e0b1eefa8d72d8499a6928c3b5b3"
 dependencies = [
 "bitflags 2.11.0",
 "fallible-iterator",
@@ -5215,6 +5256,7 @@ dependencies = [
 "hashlink",
 "libsqlite3-sys",
 "smallvec",
+ "sqlite-wasm-rs",
 ]

 [[package]]
@@ -5275,9 +5317,9 @@ dependencies = [

 [[package]]
 name = "rustls"
-version = "0.23.37"
+version = "0.23.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "758025cb5fccfd3bc2fd74708fd4682be41d99e5dff73c377c0646c6012c73a4"
+checksum = "0d41d731c7d2f962d1ccc364cec258de3c0e93b38c2fb3ba97ac74513048d634"
 dependencies = [
 "brotli",
 "brotli-decompressor",
@@ -5285,7 +5327,7 @@ dependencies = [
 "once_cell",
 "ring",
 "rustls-pki-types",
- "rustls-webpki 0.103.13",
+ "rustls-webpki 0.103.15",
 "subtle",
 "zeroize",
 ]
@@ -5322,9 +5364,9 @@ dependencies = [

 [[package]]
 name = "rustls-webpki"
-version = "0.103.13"
+version = "0.103.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61c429a8649f110dddef65e2a5ad240f747e85f7758a6bccc7e5777bd33f756e"
+checksum = "f3c3cf1d8b1e7d4927e2d154c3fcb02979afb9939629c62cd9048d4f07b60ac2"
 dependencies = [
 "ring",
 "rustls-pki-types",
@@ -5919,6 +5961,18 @@ dependencies = [
 "der",
 ]

+[[package]]
+name = "sqlite-wasm-rs"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc3efc0da82635d7e1ced0053bbbfa8c7ab9645d0bf36ceb4f7127bb85315d75"
+dependencies = [
+ "cc",
+ "js-sys",
+ "rsqlite-vfs",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.0"
@@ -6826,48 +6880,32 @@ checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"

 [[package]]
 name = "wasm-bindgen"
-version = "0.2.100"
+version = "0.2.128"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
+checksum = "aecb87a33d3b0c5e3b7aa46336eaf486cffafbd281b195e4c8b80d50df2351bf"
 dependencies = [
 "cfg-if",
 "once_cell",
 "rustversion",
 "wasm-bindgen-macro",
-]
-
-[[package]]
-name = "wasm-bindgen-backend"
-version = "0.2.100"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
-dependencies = [
- "bumpalo",
- "log",
- "proc-macro2",
- "quote",
- "syn 2.0.118",
 "wasm-bindgen-shared",
 ]

 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.50"
+version = "0.4.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "555d470ec0bc3bb57890405e5d4322cc9ea83cebb085523ced7be4144dac1e61"
+checksum = "6ef4c5d3d2cdf5c54f4231181768f5510842e350db025faf1f7163b1030ed928"
 dependencies = [
- "cfg-if",
 "js-sys",
- "once_cell",
 "wasm-bindgen",
- "web-sys",
 ]

 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.100"
+version = "0.2.128"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
+checksum = "a690d511e3c1a8b3a55e33511e3c2c00c78415cd23650f32b808627f5696b9ed"
 dependencies = [
 "quote",
 "wasm-bindgen-macro-support",
@@ -6875,22 +6913,22 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.100"
+version = "0.2.128"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
+checksum = "411e4887f0071ef2d2164a9d5fdf2d20efbef78fccd3a78b0c10a1dc5295e48a"
 dependencies = [
+ "bumpalo",
 "proc-macro2",
 "quote",
- "syn 2.0.118",
- "wasm-bindgen-backend",
+ "syn 3.0.4",
 "wasm-bindgen-shared",
 ]

 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.100"
+version = "0.2.128"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
+checksum = "81941cd78d0c92026c33e5e01312845a4cb1e9af3407f9134b100dd03144103e"
 dependencies = [
 "unicode-ident",
 ]
@@ -6910,9 +6948,9 @@ dependencies = [

 [[package]]
 name = "web-sys"
-version = "0.3.77"
+version = "0.3.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33b6dd2ef9186f1f2072e409e99cd22a975331a6b3591b12c764e0e55c60d5d2"
+checksum = "9fbddc4a036f00ec4f18c83445bd3115cb306a91da554919a099d9222fe4a7f8"
 dependencies = [
 "js-sys",
 "wasm-bindgen",
@@ -7528,9 +7566,9 @@ dependencies = [

 [[package]]
 name = "yerpc"
-version = "0.6.4"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1dc24983fbe850227bfc1de89bf8cbfb3e2463afc322e0de2f155c4c23d06445"
+checksum = "6924db1f1011f1d22566c45c7090aa66c3107c3c463ca32beaa8b2327127040a"
 dependencies = [
 "anyhow",
 "async-channel 1.9.0",
@@ -7548,9 +7586,9 @@ dependencies = [

 [[package]]
 name = "yerpc_derive"
-version = "0.6.3"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d8560d021437420316370db865e44c000bf86380b47cf05e49be9d652042bf5"
+checksum = "42c374248c189b15a7f0660db3984e9dcc790ec15f4b44e932e92be49de829f9"
 dependencies = [
 "convert_case",
 "darling",
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.89"
@@ -85,7 +85,7 @@ quick-xml = { version = "0.41", features = ["escape-html"] }
 rand-old = { package = "rand", version = "0.8" }
 rand = { workspace = true }
 regex = { workspace = true }
-rusqlite = { workspace = true, features = ["sqlcipher"] }
+rusqlite = { workspace = true, features = ["backup"] }
 sanitize-filename = { workspace = true }
 sdp = "0.17.1"
 serde_json = { workspace = true }
@@ -129,6 +129,7 @@ members = [
  "deltachat-ffi",
  "deltachat_derive",
  "deltachat-jsonrpc",
+  "deltachat-jsonrpc-bindings",
  "deltachat-rpc-server",
  "deltachat-ratelimit",
  "deltachat-repl",
@@ -193,7 +194,7 @@ nu-ansi-term = "0.50"
 num-traits = "0.2"
 rand = "0.9"
 regex = "1.12"
-rusqlite = "0.37"
+rusqlite = "0.40.2"
 sanitize-filename = "0.6"
 serde = "1.0"
 serde_json = "1"
@@ -202,13 +203,13 @@ thiserror = "2"
 tokio = "1"
 tokio-util = "0.7.18"
 tracing-subscriber = "0.3"
-yerpc = "0.6.4"
+yerpc = "0.7"

 [features]
 default = ["vendored"]
 internals = []
 vendored = [
-  "rusqlite/bundled-sqlcipher-vendored-openssl",
+  "rusqlite/bundled",
  "async-native-tls/vendored"
 ]

@@ -104,7 +104,7 @@ pub fn sanitize_name_and_addr(name: &str, addr: &str) -> (String, String) {
    let mut name = sanitize_name(name);

    // If the 'display name' is just the address, remove it:
-    // Otherwise, the contact would sometimes be shown as "alice@example.com (alice@example.com)" (see `get_name_n_addr()`).
+    // Otherwise, the contact would sometimes be shown as "alice@example.com (alice@example.com)".
    // If the display name is empty, DC will just show the address when it needs a display name.
    if name == addr {
        name = "".to_string();
@@ -1,9 +1,8 @@
 [package]
 name = "deltachat_ffi"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 description = "Deltachat FFI"
 edition = "2024"
-readme = "README.md"
 license = "MPL-2.0"

 keywords = ["deltachat", "chat", "openpgp", "email", "encryption"]
@@ -304,21 +304,6 @@ dc_context_t*   dc_context_new_closed        (const char* dbfile);
 int             dc_context_open              (dc_context_t *context, const char* passphrase);


-/**
- * Changes the passphrase on the open database.
- * Deprecated 2025-11, see `dc_context_open()` for reasoning.
- *
- * Existing database must already be encrypted and the passphrase cannot be NULL or empty.
- * It is impossible to encrypt unencrypted database with this method and vice versa.
- *
- * @memberof dc_context_t
- * @param context The context object.
- * @param passphrase The new passphrase.
- * @return 1 on success, 0 on error.
- */
-int             dc_context_change_passphrase (dc_context_t* context, const char* passphrase);
-
-
 /**
 * Returns 1 if database is open.
 *
@@ -453,18 +438,9 @@ char*           dc_get_blobdir               (const dc_context_t* context);
 *                    always auto-downloaded.
 *                    0 = no limit (default).
 *                    Changes affect future messages only.
- * - `protect_autocrypt` = Enable Header Protection for Autocrypt header.
- *                    This is an experimental option not compatible to other MUAs
- *                    and older Delta Chat versions.
- *                    1 = enable.
- *                    0 = disable (default).
 * - `gossip_period` = How often to gossip Autocrypt keys in chats with multiple recipients, in
 *                    seconds. 2 days by default.
 *                    This is not supposed to be changed by UIs and only used for testing.
- * - `is_chatmail`  = (deprecated) 1 if the the server is a chatmail server, 0 otherwise.
- *                    This is deprecated, UIs should not behave differently
- *                    for chatmail relays and classical email servers.
- *                    Most usages in UIs can be replaced by `force_encryption`.
 * - `is_muted`     = Whether a context is muted by the user.
 *                    Muted contexts should not sound, vibrate or show notifications.
 *                    In contrast to `dc_set_chat_mute_duration()`,
@@ -526,9 +502,10 @@ int             dc_set_config                (dc_context_t* context, const char*
 *
 * - `sys.version` = get the version string e.g. as `1.2.3` or as `1.2.3special4`.
 * - `sys.msgsize_max_recommended` = maximal recommended attachment size in bytes.
- *                    All possible overheads are already subtracted and this value can be used e.g. for direct comparison
- *                    with the size of a file the user wants to attach. If an attachment is larger than this value,
- *                    an error (no warning as it should be shown to the user) is logged but the attachment is sent anyway.
+ *                    All possible overheads are already subtracted and this value can be used
+ *                    e.g. for direct comparison with the size of a file the user wants to attach.
+ *                    If an attachment is larger than this value, the message is sent anyway,
+ *                    but email servers are likely to reject the message when receiving it or before trying to send.
 * - `sys.config_keys` = get a space-separated list of all config-keys available.
 *                    The config-keys are the keys that can be passed to the parameter `key` of this function.
 *
@@ -696,6 +673,21 @@ char*           dc_get_connectivity_html     (dc_context_t* context);
 void            dc_configure                 (dc_context_t* context);


+/**
+ * Add fake transport that cannot be used to connect.
+ *
+ * Used for offline tests only.
+ *
+ * To add a transport, use JSON-RPC calls `add_or_update_transport`
+ * and `add_transport_from_qr` instead.
+ *
+ * @memberof dc_context_t
+ * @param context The context object.
+ * @param addr The email address of the new transport.
+ */
+void            dc_add_pseudo_transport      (dc_context_t* context, const char *addr);
+
+
 /**
 * Check if the context is already configured.
 *
@@ -1777,8 +1769,6 @@ int             dc_is_contact_in_chat        (dc_context_t* context, uint32_t ch
 * If the group is already _promoted_ (any message was sent to the group),
 * all group members are informed by a special status message that is sent automatically by this function.
 *
- * If the group has group protection enabled, only verified contacts can be added to the group.
- *
 * Sends out #DC_EVENT_CHAT_MODIFIED and #DC_EVENT_MSGS_CHANGED if a status message was sent.
 *
 * @memberof dc_context_t
@@ -2277,7 +2267,7 @@ void            dc_block_contact             (dc_context_t* context, uint32_t co
 /**
 * Get encryption info for a contact.
 * Get a multi-line encryption info, containing your fingerprint and the
- * fingerprint of the contact, used e.g. to compare the fingerprints for a simple out-of-band verification.
+ * fingerprint of the contact, used e.g. to compare the fingerprints out-of-band.
 *
 * @memberof dc_context_t
 * @param context The context object.
@@ -2444,14 +2434,12 @@ char*           dc_imex_has_backup           (dc_context_t* context, const char*
 void            dc_stop_ongoing_process      (dc_context_t* context);


-// out-of-band verification
+// securejoin

 #define         DC_QR_ASK_VERIFYCONTACT      200 // id=contact
 #define         DC_QR_ASK_VERIFYGROUP        202 // text1=groupname
 #define         DC_QR_ASK_VERIFYBROADCAST    204 // text1=broadcast name
 #define         DC_QR_FPR_OK                 210 // id=contact
-#define         DC_QR_FPR_MISMATCH           220 // id=contact
-#define         DC_QR_FPR_WITHOUT_ADDR       230 // test1=formatted fingerprint
 #define         DC_QR_ACCOUNT                250 // text1=domain
 #define         DC_QR_BACKUP2                252
 #define         DC_QR_BACKUP_TOO_NEW         255
@@ -2479,7 +2467,7 @@ void            dc_stop_ongoing_process      (dc_context_t* context);
 * The QR code state is returned in dc_lot_t::state as:
 *
 * - DC_QR_ASK_VERIFYCONTACT with dc_lot_t::id=Contact ID:
- *   ask whether to verify the contact;
+ *   ask whether to start chatting with the contact;
 *   if so, start the protocol with dc_join_securejoin().
 *
 * - DC_QR_ASK_VERIFYGROUP or DC_QR_ASK_VERIFYBROADCAST
@@ -2488,17 +2476,10 @@ void            dc_stop_ongoing_process      (dc_context_t* context);
 *   if so, start the protocol with dc_join_securejoin().
 *
 * - DC_QR_FPR_OK with dc_lot_t::id=Contact ID:
- *   contact fingerprint verified,
+ *   contact fingerprint matches,
 *   ask the user if they want to start chatting;
 *   if so, call dc_create_chat_by_contact_id().
 *
- * - DC_QR_FPR_MISMATCH with dc_lot_t::id=Contact ID:
- *   scanned fingerprint does not match last seen fingerprint.
- *
- * - DC_QR_FPR_WITHOUT_ADDR with dc_lot_t::text1=Formatted fingerprint
- *   the scanned QR code contains a fingerprint but no e-mail address;
- *   suggest the user to establish an encrypted connection first.
- *
 * - DC_QR_ACCOUNT dc_lot_t::text1=domain:
 *   ask the user if they want to create an account on the given domain,
 *   if so, call dc_set_config_from_qr() and then dc_configure().
@@ -2564,23 +2545,24 @@ dc_lot_t*       dc_check_qr                  (dc_context_t* context, const char*


 /**
- * Get QR code text that will offer an Setup-Contact or Verified-Group invitation.
+ * Get QR code text that will offer a SecureJoin invitation.
 *
 * The scanning device will pass the scanned content to dc_check_qr() then;
 * if dc_check_qr() returns
 * DC_QR_ASK_VERIFYCONTACT, DC_QR_ASK_VERIFYGROUP or DC_QR_ASK_VERIFYBROADCAST
- * an out-of-band-verification can be joined using dc_join_securejoin()
+ * the SecureJoin protocol can be started using dc_join_securejoin()
 *
 * The returned text will also work as a normal https:-link,
 * so that the QR code is useful also without Delta Chat being installed
 * or can be passed to contacts through other channels.
 *
+ * To reset invitations, pass the link to dc_set_config_from_qr().
+ *
 * @memberof dc_context_t
 * @param context The context object.
 * @param chat_id If set to a group-chat-id,
- *     the Verified-Group-Invite protocol is offered in the QR code;
- *     works for protected groups as well as for normal groups.
- *     If set to 0, the Setup-Contact protocol is offered in the QR code.
+ *     the SecureJoin QR code for the group is returned.
+ *     If set to 0, the setup contact QR code is returned.
 *     See https://securejoin.delta.chat/
 *     for details about both protocols.
 * @return The text that should go to the QR code,
@@ -2606,7 +2588,7 @@ char*           dc_get_securejoin_qr         (dc_context_t* context, uint32_t ch
 char*           dc_get_securejoin_qr_svg         (dc_context_t* context, uint32_t chat_id);

 /**
- * Continue a Setup-Contact or Verified-Group-Invite protocol
+ * Continue the SecureJoin protocol
 * started on another device with dc_get_securejoin_qr().
 * This function is typically called when dc_check_qr() returns
 * lot.state=DC_QR_ASK_VERIFYCONTACT, lot.state=DC_QR_ASK_VERIFYGROUP or lot.state=DC_QR_ASK_VERIFYBROADCAST
@@ -3187,19 +3169,33 @@ void           dc_accounts_maybe_network_lost    (dc_accounts_t* accounts);

 /**
 * Perform a background fetch for all accounts in parallel with a timeout.
- * Pauses the scheduler, fetches messages from imap and then resumes the scheduler.
 *
- * dc_accounts_background_fetch() was created for the iOS Background fetch.
+ * For an account with IO stopped, the scheduler is paused
+ * and every transport is fetched concurrently on a dedicated connection.
+ * The account is done as soon as one transport received messages, the others stop.
+ * Only one batch of messages is fetched per transport this way,
+ * so a larger backlog is left to the next call or to started IO.
 *
- * The `DC_EVENT_ACCOUNTS_BACKGROUND_FETCH_DONE` event is emitted at the end
- * even in case of timeout, unless the function fails and returns 0.
+ * For an account with IO running, IMAP IDLE is interrupted on every transport
+ * and the account is done once every transport is.
+ *
+ * The call never waits for outgoing messages and never triggers sending them itself.
+ * Received messages may still queue replies, securejoin handshakes for example,
+ * which go out only while IO is running.
+ *
+ * The `DC_EVENT_ACCOUNTS_BACKGROUND_FETCH_DONE` event is emitted at the end,
+ * also on timeout, when another background fetch is already running
+ * and when the call is ignored because the timeout is too small,
+ * so it is safe to wait for the event whenever `accounts` is not NULL.
 * Process all events until you get this one and you can safely return to the background
- * without forgetting to create notifications caused by timing race conditions.
+ * without forgetting to create a generic notification if no message was fetched.
+ * The event carries no data identifying the call it belongs to,
+ * so it marks your own call only if no concurrent background fetch is happening.
 *
 * @memberof dc_accounts_t
 * @param accounts The account manager as created by dc_accounts_new().
 * @param timeout The timeout in seconds
- * @return Return 1 if DC_EVENT_ACCOUNTS_BACKGROUND_FETCH_DONE was emitted and 0 otherwise.
+ * @return Return 0 if the call was ignored because `accounts` is NULL or the timeout is too small, 1 otherwise.
 */
 int            dc_accounts_background_fetch    (dc_accounts_t* accounts, uint64_t timeout);

@@ -3569,7 +3565,6 @@ dc_lot_t*        dc_chatlist_get_summary2    (dc_context_t* context, uint32_t ch
 * last-message-state: @ref DC_STATE constant
 * last-message-date:
 * avatar-path: path-to-blobfile
- * is_verified: yes/no
 * @return a UTF8-encoded JSON string containing all requested info. Must be freed using dc_str_unref(). NULL is never returned.
 */
 char*            dc_chat_get_info_json       (dc_context_t* context, size_t chat_id);
@@ -4893,6 +4888,38 @@ uint32_t        dc_msg_get_saved_msg_id     (const dc_msg_t* msg);
 int             dc_msg_is_pinned           (const dc_msg_t* msg);


+/**
+ * @defgroup DC_FRESHNESS DC_FRESHNESS
+ *
+ * These constants describe the freshness of a contact,
+ * as returned by dc_contact_get_freshness().
+ *
+ * @addtogroup DC_FRESHNESS
+ * @{
+ */
+
+/**
+ * Contact shall not be highlighted, e.g. neither shown with a "seen recently" dot
+ * nor with a "not seen for a long time" hint.
+ */
+#define DC_FRESHNESS_NORMAL         0
+
+/**
+ * Contact was seen recently, the UI shall highlight it e.g. with a little green dot on the avatar.
+ */
+#define DC_FRESHNESS_RECENTLY_SEEN  1
+
+/**
+ * Contact was not seen for a long time, the UI shall highlight it e.g. with a string
+ * below the contact name (e.g. "Seen 2 months ago").
+ */
+#define DC_FRESHNESS_OLD            2
+
+/**
+ * @}
+ */
+
+
 /**
 * @class dc_contact_t
 *
@@ -4908,7 +4935,6 @@ uint32_t        dc_msg_get_saved_msg_id     (const dc_msg_t* msg);
 * By default, these names are equal,
 * but functions working with contact names
 * (e.g. dc_contact_get_name(), dc_contact_get_display_name(),
- * dc_contact_get_name_n_addr(),
 * dc_create_contact() or dc_add_address_book())
 * only affect the given-name.
 */
@@ -4958,7 +4984,7 @@ char*           dc_contact_get_addr          (const dc_contact_t* contact);
 * The function does not return the contact name as received from the network.
 *
 * This name is typically used in a form where the user can edit the name of a contact.
- * To get a fine name to display in lists etc., use dc_contact_get_display_name() or dc_contact_get_name_n_addr().
+ * To get a fine name to display in lists etc., use dc_contact_get_display_name().
 *
 * @memberof dc_contact_t
 * @param contact The contact object.
@@ -5013,23 +5039,6 @@ char*           dc_contact_get_display_name  (const dc_contact_t* contact);
 #define         dc_contact_get_first_name    dc_contact_get_display_name


-/**
- * Get a summary of name and address.
- *
- * The returned string is either "Name (email@domain.com)" or just
- * "email@domain.com" if the name is unset.
- *
- * The summary is typically used when asking the user something about the contact.
- * The attached e-mail address makes the question unique, e.g. "Chat with Alan Miller (am@uniquedomain.com)?"
- *
- * @memberof dc_contact_t
- * @param contact The contact object.
- * @return A summary string, must be released using dc_str_unref().
- *     Never returns NULL.
- */
-char*           dc_contact_get_name_n_addr   (const dc_contact_t* contact);
-
-
 /**
 * Get the contact's profile image.
 * This is the image set by each remote user on their own
@@ -5083,18 +5092,18 @@ int64_t         dc_contact_get_last_seen     (const dc_contact_t* contact);


 /**
- * Check if the contact was seen recently.
+ * Get the contact's freshness.
+ *
+ * The UI shall hightlight contacts that are recently seen by a little green dot on the avatar
+ * and contacts that were not seen for a long time by a string below the contact name (e.g. "Seen 2 months ago")
 *
- * The UI may highlight these contacts,
- * eg. draw a little green dot on the avatars of the users recently seen.
- * DC_CONTACT_ID_SELF and other special contact IDs are defined as never seen recently (they should not get a dot).
 * To get the time a contact was seen, use dc_contact_get_last_seen().
 *
 * @memberof dc_contact_t
 * @param contact The contact object.
- * @return 1=contact seen recently, 0=contact not seen recently.
+ * @return One of the @ref DC_FRESHNESS constants.
 */
-int             dc_contact_was_seen_recently (const dc_contact_t* contact);
+int             dc_contact_get_freshness (const dc_contact_t* contact);


 /**
@@ -5109,19 +5118,6 @@ int             dc_contact_was_seen_recently (const dc_contact_t* contact);
 int             dc_contact_is_blocked        (const dc_contact_t* contact);


-/**
- * Check if the contact
- * can be added to protected chats.
- *
- * See dc_contact_get_verifier_id() for a guidance how to display these information.
- *
- * @memberof dc_contact_t
- * @param contact The contact object.
- * @return 0: contact is not verified.
- *    2: SELF and contact have verified their fingerprints in both directions.
- */
-int             dc_contact_is_verified       (dc_contact_t* contact);
-
 /**
 * Returns whether contact is a bot.
 *
@@ -5146,36 +5142,6 @@ int             dc_contact_is_bot            (dc_contact_t* contact);
 int             dc_contact_is_key_contact    (dc_contact_t* contact);


-/**
- * Return the contact ID that verified a contact.
- *
- * As verifier may be unknown,
- * use dc_contact_is_verified() to check if a contact can be added to a protected chat.
- *
- * UI should display the information in the contact's profile as follows:
- *
- * - If dc_contact_get_verifier_id() != 0,
- *   display text "Introduced by ..."
- *   with the name of the contact
- *   formatted by dc_contact_get_name().
- *   Prefix the text by a green checkmark.
- *
- * - If dc_contact_get_verifier_id() == 0 and dc_contact_is_verified() != 0,
- *   display "Introduced" prefixed by a green checkmark.
- *
- * - if dc_contact_get_verifier_id() == 0 and dc_contact_is_verified() == 0,
- *   display nothing
- *
- * @memberof dc_contact_t
- * @param contact The contact object.
- * @return 
- *    The contact ID of the verifier. If it is DC_CONTACT_ID_SELF,
- *    we verified the contact ourself. If it is 0, we don't have verifier information or 
- *    the contact is not verified.
- */
-uint32_t       dc_contact_get_verifier_id      (dc_contact_t* contact);
-
-
 /**
 * @class dc_lot_t
 *
@@ -5949,14 +5915,6 @@ void dc_event_unref(dc_event_t* event);
 */
 #define DC_EVENT_IMAP_MESSAGE_DELETED   104

-/**
- * Emitted when a message was successfully moved on IMAP.
- *
- * @param data1 0
- * @param data2 (char*) Info string in English language.
- */
-#define DC_EVENT_IMAP_MESSAGE_MOVED   105
-
 /**
 * Emitted before going into IDLE on the Inbox folder.
 *
@@ -6206,7 +6164,18 @@ void dc_event_unref(dc_event_t* event);


 /**
- * Contact(s) created, renamed, verified, blocked or deleted.
+ * The list of pinned messages for the chat has changed.
+ *
+ * Some message got pinned, or pinned message is unpinned or deleted.
+ *
+ * @param data1 (int) chat_id
+ * @param data2 (int) 0
+ */
+#define DC_EVENT_PINNED_MESSAGES_CHANGED 2024
+
+
+/**
+ * Contact(s) created, renamed, blocked or deleted.
 *
 * @param data1 (int) contact_id of the changed contact or 0 on batch-changes or deletion.
 * @param data2 0
@@ -6278,8 +6247,7 @@ void dc_event_unref(dc_event_t* event);
 *
 * @param data1 (int) The ID of the inviting contact.
 * @param data2 (int) The progress as:
- *     400=vg-/vc-request-with-auth sent, typically shown as "alice@addr verified, introducing myself."
- *     (Bob has verified alice and waits until Alice does the same for him)
+ *     400=vg-/vc-request-with-auth sent, typically shown as "introducing myself."
 *     1000=vg-member-added/vc-contact-confirm received
 */
 #define DC_EVENT_SECUREJOIN_JOINER_PROGRESS       2061
@@ -6362,11 +6330,18 @@ void dc_event_unref(dc_event_t* event);
 #define DC_EVENT_WEBXDC_REALTIME_ADVERTISEMENT    2151

 /**
- * Tells that the Background fetch was completed (or timed out).
+ * Tells that a call to dc_accounts_background_fetch() is done:
+ * the fetch completed, timed out, was stopped or was not started.
+ *
+ * For the call that started the fetch, this event acts as a marker:
+ * when you reach it, all events emitted during the fetch were processed.
+ * A call made while another background fetch is running gets the event immediately,
+ * and the running fetch keeps emitting events until its own marker.
+ *
+ * The event carries no data identifying the call it belongs to,
+ * so it marks your own call only if no concurrent background fetch is happening.
+ * Your own call has finished when dc_accounts_background_fetch() returns.
 *
- * This event acts as a marker, when you reach this event you can be sure
- * that all events emitted during the background fetch were processed.
- * 
 * This event is only emitted by the account manager
 */

@@ -6662,12 +6637,6 @@ void dc_event_unref(dc_event_t* event);
 /// Used to build the string returned by dc_get_contact_encrinfo().
 #define DC_STR_FINGERPRINTS               30

-/// "%1$s verified"
-///
-/// Used in status messages.
-/// - %1$s will be replaced by the name of the verified contact
-#define DC_STR_CONTACT_VERIFIED           35
-
 /// "Archived chats"
 ///
 /// Used as the name for the corresponding chatlist entry.
@@ -6846,7 +6815,7 @@ void dc_event_unref(dc_event_t* event);
 ///
 /// Added as an info-message directly after scanning a QR code for joining a group.
 /// May be followed by the info-messages
-/// #DC_STR_SECURE_JOIN_REPLIES, #DC_STR_CONTACT_VERIFIED and #DC_STR_MSGADDMEMBER.
+/// #DC_STR_SECURE_JOIN_REPLIES and #DC_STR_MSGADDMEMBER.
 ///
 /// `%1$s` and `%2$s` will be replaced by name of the inviter.
 #define DC_STR_SECURE_JOIN_STARTED        117
@@ -6855,15 +6824,13 @@ void dc_event_unref(dc_event_t* event);
 ///
 /// Info-message on scanning a QR code for joining a group.
 /// Added after #DC_STR_SECURE_JOIN_STARTED.
-/// If the handshake allows to skip a step and go for #DC_STR_CONTACT_VERIFIED directly,
-/// this info-message is skipped.
 ///
 /// `%1$s` will be replaced by the name of the inviter.
 #define DC_STR_SECURE_JOIN_REPLIES        118

 /// "Scan to chat with %1$s"
 ///
-/// Subtitle for verification qrcode svg image generated by the core.
+/// Subtitle for the invite qrcode svg image generated by the core.
 ///
 /// `%1$s` will be replaced by name of the inviter.
 #define DC_STR_SETUP_CONTACT_QR_DESC      119
@@ -31,6 +31,7 @@ use deltachat::key::preconfigure_keypair;
 use deltachat::message::MsgId;
 use deltachat::qr_code_generator::{create_qr_svg, generate_backup_qr, get_securejoin_qr_svg};
 use deltachat::stock_str::StockMessage;
+use deltachat::transport::add_pseudo_transport;
 use deltachat::webxdc::StatusUpdateSerial;
 use deltachat::*;
 use deltachat::{accounts::Accounts, log::LogExt};
@@ -159,24 +160,6 @@ pub unsafe extern "C" fn dc_context_open(
        .unwrap_or(0)
 }

-#[unsafe(no_mangle)]
-pub unsafe extern "C" fn dc_context_change_passphrase(
-    context: *mut dc_context_t,
-    passphrase: *const libc::c_char,
-) -> libc::c_int {
-    if context.is_null() {
-        eprintln!("ignoring careless call to dc_context_change_passphrase()");
-        return 0;
-    }
-
-    let ctx = unsafe { &*context };
-    let passphrase = to_string_lossy(passphrase);
-    block_on(ctx.change_passphrase(passphrase))
-        .context("dc_context_change_passphrase() failed")
-        .log_err(ctx)
-        .is_ok() as libc::c_int
-}
-
 #[unsafe(no_mangle)]
 pub unsafe extern "C" fn dc_context_is_open(context: *mut dc_context_t) -> libc::c_int {
    if context.is_null() {
@@ -414,6 +397,21 @@ pub unsafe extern "C" fn dc_configure(context: *mut dc_context_t) {
    spawn_configure(ctx.clone());
 }

+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn dc_add_pseudo_transport(
+    context: *mut dc_context_t,
+    addr: *const libc::c_char,
+) {
+    if context.is_null() {
+        eprintln!("ignoring careless call to dc_add_pseudo_transport()");
+        return;
+    }
+
+    let ctx = unsafe { &*context };
+    let addr = to_string_lossy(addr);
+    block_on(add_pseudo_transport(ctx, &addr)).log_err(ctx).ok();
+}
+
 #[unsafe(no_mangle)]
 pub unsafe extern "C" fn dc_is_configured(context: *mut dc_context_t) -> libc::c_int {
    if context.is_null() {
@@ -477,7 +475,6 @@ pub unsafe extern "C" fn dc_event_get_id(event: *mut dc_event_t) -> libc::c_int
        EventType::ImapConnected(_) => 102,
        EventType::SmtpMessageSent(_) => 103,
        EventType::ImapMessageDeleted(_) => 104,
-        EventType::ImapMessageMoved(_) => 105,
        EventType::ImapInboxIdle => 106,
        EventType::NewBlobFile(_) => 150,
        EventType::DeletedBlobFile(_) => 151,
@@ -499,6 +496,7 @@ pub unsafe extern "C" fn dc_event_get_id(event: *mut dc_event_t) -> libc::c_int
        EventType::ChatModified(_) => 2020,
        EventType::ChatEphemeralTimerModified { .. } => 2021,
        EventType::ChatDeleted { .. } => 2023,
+        EventType::PinnedMessagesChanged { .. } => 2024,
        EventType::ContactsChanged(_) => 2030,
        EventType::LocationChanged(_) => 2035,
        EventType::ConfigureProgress { .. } => 2041,
@@ -544,7 +542,6 @@ pub unsafe extern "C" fn dc_event_get_data1_int(event: *mut dc_event_t) -> libc:
        | EventType::ImapConnected(_)
        | EventType::SmtpMessageSent(_)
        | EventType::ImapMessageDeleted(_)
-        | EventType::ImapMessageMoved(_)
        | EventType::ImapInboxIdle
        | EventType::NewBlobFile(_)
        | EventType::DeletedBlobFile(_)
@@ -573,7 +570,8 @@ pub unsafe extern "C" fn dc_event_get_data1_int(event: *mut dc_event_t) -> libc:
        | EventType::MsgReadCountChanged { chat_id, .. }
        | EventType::ChatModified(chat_id)
        | EventType::ChatEphemeralTimerModified { chat_id, .. }
-        | EventType::ChatDeleted { chat_id } => chat_id.to_u32() as libc::c_int,
+        | EventType::ChatDeleted { chat_id }
+        | EventType::PinnedMessagesChanged { chat_id } => chat_id.to_u32() as libc::c_int,
        EventType::ContactsChanged(id) | EventType::LocationChanged(id) => {
            let id = id.unwrap_or_default();
            id.to_u32() as libc::c_int
@@ -619,7 +617,6 @@ pub unsafe extern "C" fn dc_event_get_data2_int(event: *mut dc_event_t) -> libc:
        | EventType::ImapConnected(_)
        | EventType::SmtpMessageSent(_)
        | EventType::ImapMessageDeleted(_)
-        | EventType::ImapMessageMoved(_)
        | EventType::ImapInboxIdle
        | EventType::NewBlobFile(_)
        | EventType::DeletedBlobFile(_)
@@ -648,7 +645,8 @@ pub unsafe extern "C" fn dc_event_get_data2_int(event: *mut dc_event_t) -> libc:
        | EventType::OutgoingCallAccepted { .. }
        | EventType::CallEnded { .. }
        | EventType::EventChannelOverflow { .. }
-        | EventType::TransportsModified => 0,
+        | EventType::TransportsModified
+        | EventType::PinnedMessagesChanged { .. } => 0,
        EventType::MsgsChanged { msg_id, .. }
        | EventType::ReactionsChanged { msg_id, .. }
        | EventType::IncomingReaction { msg_id, .. }
@@ -690,7 +688,7 @@ pub unsafe extern "C" fn dc_event_get_data1_str(event: *mut dc_event_t) -> *mut
    match event {
        EventType::IncomingWebxdcNotify { href, .. } => {
            if let Some(href) = href {
-                href.to_c_string().unwrap_or_default().into_raw()
+                href.strdup()
            } else {
                ptr::null_mut()
            }
@@ -714,15 +712,11 @@ pub unsafe extern "C" fn dc_event_get_data2_str(event: *mut dc_event_t) -> *mut
        | EventType::ImapConnected(msg)
        | EventType::SmtpMessageSent(msg)
        | EventType::ImapMessageDeleted(msg)
-        | EventType::ImapMessageMoved(msg)
        | EventType::NewBlobFile(msg)
        | EventType::DeletedBlobFile(msg)
        | EventType::Warning(msg)
        | EventType::Error(msg)
-        | EventType::ErrorSelfNotInGroup(msg) => {
-            let data2 = msg.to_c_string().unwrap_or_default();
-            data2.into_raw()
-        }
+        | EventType::ErrorSelfNotInGroup(msg) => msg.strdup(),
        EventType::MsgsChanged { .. }
        | EventType::ReactionsChanged { .. }
        | EventType::IncomingMsg { .. }
@@ -753,48 +747,31 @@ pub unsafe extern "C" fn dc_event_get_data2_str(event: *mut dc_event_t) -> *mut
        | EventType::AccountsItemChanged
        | EventType::IncomingCallAccepted { .. }
        | EventType::WebxdcRealtimeAdvertisementReceived { .. }
-        | EventType::TransportsModified => ptr::null_mut(),
+        | EventType::TransportsModified
+        | EventType::PinnedMessagesChanged { .. } => ptr::null_mut(),
        EventType::IncomingCall {
            place_call_info, ..
-        } => {
-            let data2 = place_call_info.to_c_string().unwrap_or_default();
-            data2.into_raw()
-        }
+        } => place_call_info.strdup(),
        EventType::OutgoingCallAccepted {
            accept_call_info, ..
-        } => {
-            let data2 = accept_call_info.to_c_string().unwrap_or_default();
-            data2.into_raw()
-        }
+        } => accept_call_info.strdup(),
        EventType::CallEnded { .. } | EventType::EventChannelOverflow { .. } => ptr::null_mut(),
        EventType::ConfigureProgress { comment, .. } => {
            if let Some(comment) = comment {
-                comment.to_c_string().unwrap_or_default().into_raw()
+                comment.strdup()
            } else {
                ptr::null_mut()
            }
        }
-        EventType::ImexFileWritten(file) => {
-            let data2 = file.to_c_string().unwrap_or_default();
-            data2.into_raw()
-        }
-        EventType::ConfigSynced { key } => {
-            let data2 = key.to_string().to_c_string().unwrap_or_default();
-            data2.into_raw()
-        }
+        EventType::ImexFileWritten(file) => file.strdup(),
+        EventType::ConfigSynced { key } => key.to_string().strdup(),
        EventType::WebxdcRealtimeData { data, .. } => {
            let ptr = unsafe { libc::malloc(data.len()) };
            unsafe { libc::memcpy(ptr, data.as_ptr() as *mut libc::c_void, data.len()) };
            ptr as *mut libc::c_char
        }
-        EventType::IncomingReaction { reaction, .. } => reaction
-            .as_str()
-            .to_c_string()
-            .unwrap_or_default()
-            .into_raw(),
-        EventType::IncomingWebxdcNotify { text, .. } => {
-            text.to_c_string().unwrap_or_default().into_raw()
-        }
+        EventType::IncomingReaction { reaction, .. } => reaction.as_str().strdup(),
+        EventType::IncomingWebxdcNotify { text, .. } => text.strdup(),
        #[allow(unreachable_patterns)]
        #[cfg(test)]
        _ => unreachable!("This is just to silence a rust_analyzer false-positive"),
@@ -2418,7 +2395,7 @@ pub unsafe extern "C" fn dc_get_securejoin_qr_svg(
    chat_id: u32,
 ) -> *mut libc::c_char {
    if context.is_null() {
-        eprintln!("ignoring careless call to generate_verification_qr()");
+        eprintln!("ignoring careless call to dc_get_securejoin_qr_svg()");
        return "".strdup();
    }
    let ctx = unsafe { &*context };
@@ -3984,18 +3961,6 @@ pub unsafe extern "C" fn dc_contact_get_display_name(
    ffi_contact.contact.get_display_name().strdup()
 }

-#[unsafe(no_mangle)]
-pub unsafe extern "C" fn dc_contact_get_name_n_addr(
-    contact: *mut dc_contact_t,
-) -> *mut libc::c_char {
-    if contact.is_null() {
-        eprintln!("ignoring careless call to dc_contact_get_name_n_addr()");
-        return "".strdup();
-    }
-    let ffi_contact = unsafe { &*contact };
-    ffi_contact.contact.get_name_n_addr().strdup()
-}
-
 #[unsafe(no_mangle)]
 pub unsafe extern "C" fn dc_contact_get_profile_image(
    contact: *mut dc_contact_t,
@@ -4051,13 +4016,13 @@ pub unsafe extern "C" fn dc_contact_get_last_seen(contact: *mut dc_contact_t) ->
 }

 #[unsafe(no_mangle)]
-pub unsafe extern "C" fn dc_contact_was_seen_recently(contact: *mut dc_contact_t) -> libc::c_int {
+pub unsafe extern "C" fn dc_contact_get_freshness(contact: *mut dc_contact_t) -> libc::c_int {
    if contact.is_null() {
-        eprintln!("ignoring careless call to dc_contact_was_seen_recently()");
+        eprintln!("ignoring careless call to dc_contact_get_freshness()");
        return 0;
    }
    let ffi_contact = unsafe { &*contact };
-    ffi_contact.contact.was_seen_recently() as libc::c_int
+    u32::from(ffi_contact.contact.get_freshness()) as libc::c_int
 }

 #[unsafe(no_mangle)]
@@ -4070,27 +4035,6 @@ pub unsafe extern "C" fn dc_contact_is_blocked(contact: *mut dc_contact_t) -> li
    ffi_contact.contact.is_blocked() as libc::c_int
 }

-#[unsafe(no_mangle)]
-pub unsafe extern "C" fn dc_contact_is_verified(contact: *mut dc_contact_t) -> libc::c_int {
-    if contact.is_null() {
-        eprintln!("ignoring careless call to dc_contact_is_verified()");
-        return 0;
-    }
-    let ffi_contact = unsafe { &*contact };
-
-    if block_on(ffi_contact.contact.is_verified(&ffi_contact.context))
-        .context("is_verified failed")
-        .log_err(&ffi_contact.context)
-        .unwrap_or_default()
-    {
-        // Return value is essentially a boolean,
-        // but we return 2 for true for backwards compatibility.
-        2
-    } else {
-        0
-    }
-}
-
 #[unsafe(no_mangle)]
 pub unsafe extern "C" fn dc_contact_is_bot(contact: *mut dc_contact_t) -> libc::c_int {
    if contact.is_null() {
@@ -4109,22 +4053,6 @@ pub unsafe extern "C" fn dc_contact_is_key_contact(contact: *mut dc_contact_t) -
    unsafe { (*contact).contact.is_key_contact() as libc::c_int }
 }

-#[unsafe(no_mangle)]
-pub unsafe extern "C" fn dc_contact_get_verifier_id(contact: *mut dc_contact_t) -> u32 {
-    if contact.is_null() {
-        eprintln!("ignoring careless call to dc_contact_get_verifier_id()");
-        return 0;
-    }
-    let ffi_contact = unsafe { &*contact };
-    let verifier_contact_id = block_on(ffi_contact.contact.get_verifier_id(&ffi_contact.context))
-        .context("failed to get verifier")
-        .log_err(&ffi_contact.context)
-        .unwrap_or_default()
-        .unwrap_or_default()
-        .unwrap_or_default();
-
-    verifier_contact_id.to_u32()
-}
 // dc_lot_t

 pub type dc_lot_t = lot::Lot;
@@ -4771,12 +4699,17 @@ pub unsafe extern "C" fn dc_accounts_background_fetch(
    accounts: *const dc_accounts_t,
    timeout_in_seconds: u64,
 ) -> libc::c_int {
-    if accounts.is_null() || timeout_in_seconds <= 2 {
+    if accounts.is_null() {
        eprintln!("ignoring careless call to dc_accounts_background_fetch()");
        return 0;
    }

    let accounts = unsafe { &*accounts };
+    if timeout_in_seconds <= 2 {
+        eprintln!("ignoring careless call to dc_accounts_background_fetch(): timeout too small");
+        block_on(accounts.read()).emit_event(EventType::AccountsBackgroundFetchDone);
+        return 0;
+    }
    let background_fetch_future = {
        let lock = block_on(accounts.read());
        lock.background_fetch(Duration::from_secs(timeout_in_seconds))
@@ -47,8 +47,6 @@ impl Lot {
                Qr::AskVerifyGroup { grpname, .. } => Some(Cow::Borrowed(grpname)),
                Qr::AskJoinBroadcast { name, .. } => Some(Cow::Borrowed(name)),
                Qr::FprOk { .. } => None,
-                Qr::FprMismatch { .. } => None,
-                Qr::FprWithoutAddr { fingerprint, .. } => Some(Cow::Borrowed(fingerprint)),
                Qr::Account { domain } => Some(Cow::Borrowed(domain)),
                Qr::Backup2 { .. } => None,
                Qr::BackupTooNew { .. } => None,
@@ -103,8 +101,6 @@ impl Lot {
                Qr::AskVerifyGroup { .. } => LotState::QrAskVerifyGroup,
                Qr::AskJoinBroadcast { .. } => LotState::QrAskJoinBroadcast,
                Qr::FprOk { .. } => LotState::QrFprOk,
-                Qr::FprMismatch { .. } => LotState::QrFprMismatch,
-                Qr::FprWithoutAddr { .. } => LotState::QrFprWithoutAddr,
                Qr::Account { .. } => LotState::QrAccount,
                Qr::Backup2 { .. } => LotState::QrBackup2,
                Qr::BackupTooNew { .. } => LotState::QrBackupTooNew,
@@ -132,8 +128,6 @@ impl Lot {
                Qr::AskVerifyGroup { .. } => Default::default(),
                Qr::AskJoinBroadcast { .. } => Default::default(),
                Qr::FprOk { contact_id } => contact_id.to_u32(),
-                Qr::FprMismatch { contact_id } => contact_id.unwrap_or_default().to_u32(),
-                Qr::FprWithoutAddr { .. } => Default::default(),
                Qr::Account { .. } => Default::default(),
                Qr::Backup2 { .. } => Default::default(),
                Qr::BackupTooNew { .. } => Default::default(),
@@ -181,12 +175,6 @@ pub enum LotState {
    /// id=contact
    QrFprOk = 210,

-    /// id=contact
-    QrFprMismatch = 220,
-
-    /// text1=formatted fingerprint
-    QrFprWithoutAddr = 230,
-
    /// text1=domain
    QrAccount = 250,

@@ -0,0 +1,16 @@
+[package]
+name = "deltachat-jsonrpc-bindings"
+version = "2.63.0-dev"
+description = "Autogenerate DeltaChat JSON-RPC API bindings at build time"
+edition = "2024"
+license = "MPL-2.0"
+repository = "https://github.com/chatmail/core"
+
+[build-dependencies]
+deltachat-jsonrpc = { workspace = true }
+
+[dependencies]
+
+[features]
+default = ["vendored"]
+vendored = ["deltachat-jsonrpc/vendored"]
@@ -0,0 +1,7 @@
+use deltachat_jsonrpc::api::{write_qt_bindings, write_ts_bindings};
+use std::path::Path;
+
+fn main() {
+    write_ts_bindings(Path::new("typescript/generated"));
+    write_qt_bindings(Path::new("qt/generated"), "deltachat");
+}
@@ -0,0 +1 @@
+generated
@@ -0,0 +1,111 @@
+#pragma once
+
+#include "deltachat.h"
+#include "generated/client.hpp"
+#include "generated/types.hpp"
+
+#include <cstdint>
+#include <mutex>
+#include <thread>
+
+namespace deltachat {
+
+class CffiTransport : public Transport {
+  using CompletionHandler = Transport::CompletionHandler;
+
+public:
+  explicit CffiTransport(dc_accounts_t *accounts)
+      : jsonrpc_(dc_jsonrpc_init(accounts)) {
+    if (!jsonrpc_)
+      std::abort();
+    thread_ = std::thread([this] { run(); });
+  }
+
+  ~CffiTransport() override {
+    done_ = true;
+    // Unblock dc_jsonrpc_next_response by sending a dummy request
+    if (jsonrpc_)
+      dc_jsonrpc_request(
+          jsonrpc_,
+          "{\"jsonrpc\":\"2.0\",\"id\":0,\"method\":\"get_system_info\"}");
+    if (thread_.joinable())
+      thread_.join();
+    std::lock_guard lk(mu_);
+    for (auto &[id, cb] : pending_) {
+      cb(Result<QJsonValue>::error(-32060, "Transport destructed"));
+    }
+    pending_.clear();
+    if (jsonrpc_)
+      dc_jsonrpc_unref(jsonrpc_);
+  }
+
+  virtual void send(const QString method, const QJsonValue params,
+                    CompletionHandler onCompleted) override {
+    uint32_t id = next_id_++;
+    QJsonObject envelope{
+        {"jsonrpc", "2.0"},
+        {"id", static_cast<qint64>(id)},
+        {"method", method},
+        {"params", params},
+    };
+
+    {
+      std::lock_guard lk(mu_);
+      pending_[id] = std::move(onCompleted);
+    }
+
+    QByteArray json = QJsonDocument(envelope).toJson(QJsonDocument::Compact);
+    dc_jsonrpc_request(jsonrpc_, json.constData());
+  }
+
+private:
+  void run() {
+    while (!done_) {
+      char *raw_json = dc_jsonrpc_next_response(jsonrpc_);
+      if (!raw_json) {
+        break;
+      }
+      QByteArray json{raw_json};
+      dc_str_unref(raw_json);
+      if (done_)
+        break;
+
+      QJsonObject obj = QJsonDocument::fromJson(json).object();
+
+      if (!obj["id"].isDouble()) {
+        qCritical() << "No valid rpc id in" << QString{json};
+        continue;
+      }
+      uint32_t id = static_cast<uint32_t>(obj["id"].toInt());
+
+      CompletionHandler cb;
+      {
+        std::lock_guard<std::mutex> lk(mu_);
+        if (auto nh = pending_.extract(id)) {
+          cb = std::move(nh.mapped());
+        } else {
+          qCritical() << "Could not map response" << QString{json};
+          continue;
+        }
+      }
+      cb(parseResult(obj));
+    }
+  }
+
+private:
+  dc_jsonrpc_instance_t *jsonrpc_;
+  std::thread thread_;
+  std::mutex mu_;
+  std::atomic<uint32_t> next_id_{1};
+  std::atomic<bool> done_{false};
+  std::unordered_map<uint32_t, CompletionHandler> pending_;
+};
+
+class CffiDeltaChat : public RawClient {
+public:
+  explicit CffiDeltaChat(dc_accounts_t *accounts)
+      : RawClient(std::make_unique<CffiTransport>(accounts)) {}
+};
+
+} // namespace deltachat
+Q_DECLARE_METATYPE(deltachat::CffiDeltaChat *)
@@ -0,0 +1 @@
+
@@ -54,5 +54,5 @@
  },
  "type": "module",
  "types": "dist/deltachat.d.ts",
-  "version": "2.60.0-dev"
+  "version": "2.63.0-dev"
 }
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 description = "DeltaChat JSON-RPC API"
 edition = "2024"
 license = "MPL-2.0"
@@ -153,7 +153,7 @@ impl CommandApi {
    }
 }

-#[rpc(all_positional, ts_outdir = "typescript/generated")]
+#[rpc(all_positional)]
 impl CommandApi {
    /// Test function.
    async fn sleep(&self, delay: f64) {
@@ -278,9 +278,26 @@ impl CommandApi {

    /// Performs a background fetch for all accounts in parallel with a timeout.
    ///
-    /// The `AccountsBackgroundFetchDone` event is emitted at the end even in case of timeout.
+    /// For an account with IO stopped, the scheduler is paused
+    /// and every transport is fetched concurrently on a dedicated connection.
+    /// The account is done as soon as one transport received messages, the others stop.
+    /// Only one batch of messages is fetched per transport this way,
+    /// so a larger backlog is left to the next call or to started IO.
+    ///
+    /// For an account with IO running, IMAP IDLE is interrupted on every transport
+    /// and the account is done once every transport is.
+    ///
+    /// The call never waits for outgoing messages and never triggers sending them itself.
+    /// Received messages may still queue replies, securejoin handshakes for example,
+    /// which go out only while IO is running.
+    /// Use `is_sending_finished()` to tell whether the outgoing queue is empty.
+    ///
+    /// The `AccountsBackgroundFetchDone` event is emitted at the end even in case of timeout,
+    /// and immediately if another background fetch is already running.
    /// Process all events until you get this one and you can safely return to the background
-    /// without forgetting to create notifications caused by timing race conditions.
+    /// without forgetting to create a generic notification if no message was fetched.
+    /// The event carries no data identifying the call it belongs to,
+    /// so it marks your own call only if no concurrent background fetch is happening.
    async fn background_fetch(&self, timeout_in_seconds: f64) -> Result<()> {
        let future = {
            let lock = self.accounts.read().await;
@@ -291,6 +308,11 @@ impl CommandApi {
        Ok(())
    }

+    /// Stops an ongoing `background_fetch()` call, making it return early
+    /// without waiting for the remaining transports or for the timeout.
+    ///
+    /// The `AccountsBackgroundFetchDone` event is emitted as usual.
+    /// Does nothing if no background fetch is running.
    async fn stop_background_fetch(&self) -> Result<()> {
        self.accounts.read().await.stop_background_fetch();
        Ok(())
@@ -524,6 +546,18 @@ impl CommandApi {
        ctx.add_transport_from_qr(&qr).await
    }

+    /// Adds an initial transport on the chatmail relay that answers fastest
+    /// and lets the profile add further ones in the background.
+    ///
+    /// A `DCACCOUNT:` or `DCLOGIN:` `qr` code adds a single transport
+    /// while securejoin codes add the inviter's relays to the candidates.
+    ///
+    /// Does nothing if the profile already has a transport.
+    async fn init_transports(&self, account_id: u32, qr: Option<String>) -> Result<()> {
+        let ctx = self.get_context(account_id).await?;
+        ctx.init_transports(qr.as_deref()).await
+    }
+
    /// Returns the list of all email accounts that are used as a transport in the current profile.
    /// Use [Self::add_or_update_transport()] to add or change a transport
    /// and [Self::delete_transport()] to remove a transport.
@@ -825,6 +859,8 @@ impl CommandApi {

    /// Get QR code text that will offer a [SecureJoin](https://securejoin.delta.chat/) invitation.
    ///
+    /// To reset invitations, pass the link to `set_config_from_qr()`.
+    ///
    /// If `chat_id` is a group chat ID, SecureJoin QR code for the group is returned.
    /// If `chat_id` is unset, setup contact QR code is returned.
    async fn get_chat_securejoin_qr_code(
@@ -838,20 +874,19 @@ impl CommandApi {
        Ok(qr)
    }

-    /// Get QR code (text and SVG) that will offer a Setup-Contact or Verified-Group invitation.
+    /// Get QR code (text and SVG) that will offer a SecureJoin invitation.
    /// The QR code is compatible to the OPENPGP4FPR format
    /// so that a basic fingerprint comparison also works e.g. with OpenKeychain.
    ///
    /// The scanning device will pass the scanned content to `checkQr()` then;
    /// if `checkQr()` returns `askVerifyContact` or `askVerifyGroup`
-    /// an out-of-band-verification can be joined using `secure_join()`
+    /// the securejoin protocol can be started using `secure_join()`
    ///
    /// @deprecated as of 2026-03; use create_qr_svg(get_chat_securejoin_qr_code()) instead.
    ///
    /// chat_id: If set to a group-chat-id,
-    ///     the Verified-Group-Invite protocol is offered in the QR code;
-    ///     works for protected groups as well as for normal groups.
-    ///     If not set, the Setup-Contact protocol is offered in the QR code.
+    ///     the SecureJoin QR code for the group is returned.
+    ///     If not set, the setup contact QR code is returned.
    ///     See https://securejoin.delta.chat/ for details about both protocols.
    ///
    /// return format: `[code, svg]`
@@ -867,7 +902,7 @@ impl CommandApi {
        Ok((qr, svg))
    }

-    /// Continue a Setup-Contact or Verified-Group-Invite protocol
+    /// Continue the SecureJoin protocol
    /// started on another device with `get_chat_securejoin_qr_code_svg()`.
    /// This function is typically called when `check_qr()` returns
    /// type=AskVerifyContact or type=AskVerifyGroup.
@@ -950,8 +985,6 @@ impl CommandApi {
    /// If the group is already _promoted_ (any message was sent to the group),
    /// all group members are informed by a special status message that is sent automatically by this function.
    ///
-    /// If the group has group protection enabled, only verified contacts can be added to the group.
-    ///
    /// Sends out #DC_EVENT_CHAT_MODIFIED and #DC_EVENT_MSGS_CHANGED if a status message was sent.
    async fn add_contact_to_chat(
        &self,
@@ -1773,7 +1806,7 @@ impl CommandApi {

    /// Get encryption info for a contact.
    /// Get a multi-line encryption info, containing your fingerprint and the
-    /// fingerprint of the contact, used e.g. to compare the fingerprints for a simple out-of-band verification.
+    /// fingerprint of the contact, used e.g. to compare the fingerprints out-of-band.
    async fn get_contact_encryption_info(
        &self,
        account_id: u32,
@@ -2038,6 +2071,14 @@ impl CommandApi {
        Ok(())
    }

+    /// Waits until all transports are idle or failed and no background work is left.
+    /// Never returns unless I/O is started. Must ONLY be used by tests.
+    async fn wait_for_all_work_done(&self, account_id: u32) -> Result<()> {
+        let ctx = self.get_context(account_id).await?;
+        ctx.wait_for_all_work_done().await;
+        Ok(())
+    }
+
    /// Get the current connectivity, i.e. whether the device is connected to the IMAP server.
    /// One of:
    /// - DC_CONNECTIVITY_NOT_CONNECTED (1000): Show e.g. the string "Not connected" or a red dot
@@ -2775,6 +2816,15 @@ impl CommandApi {
                .map(JsonrpcAppSource::from_core_type),
        )
    }
+
+    /// Returns true if all accounts have empty outgoing message queue.
+    ///
+    /// This API is intended to be used by UIs
+    /// to request that operating system does not put the application in background
+    /// while there are still outgoing messages that are not sent out.
+    async fn is_sending_finished(&self) -> Result<bool> {
+        self.accounts.read().await.is_sending_finished().await
+    }
 }

 // Helper functions (to prevent code duplication)
@@ -13,7 +13,6 @@ pub enum Account {
    Configured {
        id: u32,
        display_name: Option<String>,
-        addr: Option<String>,
        // size: u32,
        profile_image: Option<String>,
        color: String,
@@ -29,7 +28,6 @@ impl Account {
    pub async fn from_context(ctx: &deltachat::context::Context, id: u32) -> Result<Self> {
        if ctx.is_configured().await? {
            let display_name = ctx.get_config(Config::Displayname).await?;
-            let addr = ctx.get_config(Config::Addr).await?;
            let profile_image = ctx.get_config(Config::Selfavatar).await?;
            let color = color_int_to_hex_string(
                Contact::get_by_id(ctx, ContactId::SELF)
@@ -41,7 +39,6 @@ impl Account {
            Ok(Account::Configured {
                id,
                display_name,
-                addr,
                profile_image,
                color,
                private_tag,
@@ -9,6 +9,8 @@ use deltachat::context::Context;
 use serde::{Deserialize, Serialize};
 use typescript_type_def::TypeDef;

+use crate::api::types::contact::ContactFreshness;
+
 use super::color_int_to_hex_string;

 #[derive(Serialize, TypeDef, schemars::JsonSchema)]
@@ -69,7 +71,7 @@ pub struct FullChat {
    is_muted: bool,
    ephemeral_timer: u32,
    can_send: bool,
-    was_seen_recently: bool,
+    freshness: ContactFreshness,
    mailing_list_address: Option<String>,
 }

@@ -92,16 +94,17 @@ impl FullChat {

        let can_send = chat.can_send(context).await?;

-        let was_seen_recently = if chat.get_type() == Chattype::Single {
+        let freshness = if chat.get_type() == Chattype::Single {
            match contact_ids.first() {
                Some(contact) => Contact::get_by_id(context, *contact)
                    .await
-                    .context("failed to load contact for was_seen_recently")?
-                    .was_seen_recently(),
-                None => false,
+                    .context("failed to load contact for get_freshness")?
+                    .get_freshness()
+                    .into(),
+                None => ContactFreshness::Normal,
            }
        } else {
-            false
+            ContactFreshness::Normal
        };

        let mailing_list_address = chat.get_mailinglist_addr().map(|s| s.to_string());
@@ -126,7 +129,7 @@ impl FullChat {
            is_muted: chat.is_muted(),
            ephemeral_timer,
            can_send,
-            was_seen_recently,
+            freshness,
            mailing_list_address,
        })
    }
@@ -137,7 +140,7 @@ impl FullChat {
 /// - fresh_message_counter
 /// - ephemeral_timer
 /// - self_in_group
-/// - was_seen_recently
+/// - freshness
 /// - can_send
 ///
 /// used when you only need the basic metadata of a chat like type, name, profile picture
@@ -11,6 +11,8 @@ use num_traits::cast::ToPrimitive;
 use serde::Serialize;
 use typescript_type_def::TypeDef;

+use crate::api::types::contact::ContactFreshness;
+
 use super::chat::JsonrpcChatType;
 use super::color_int_to_hex_string;
 use super::message::MessageViewtype;
@@ -68,7 +70,7 @@ pub enum ChatListItemFetchResult {
        is_contact_request: bool,
        /// contact id if this is a dm chat (for view profile entry in context menu)
        dm_chat_contact: Option<u32>,
-        was_seen_recently: bool,
+        freshness: ContactFreshness,
        last_message_type: Option<MessageViewtype>,
        last_message_id: Option<u32>,
    },
@@ -127,22 +129,20 @@ pub(crate) async fn get_chat_list_item_by_id(
        None => (None, None),
    };

-    let (dm_chat_contact, was_seen_recently) = if chat.get_type() == Chattype::Single {
+    let (dm_chat_contact, freshness) = if chat.get_type() == Chattype::Single {
        let chat_contacts = get_chat_contacts(ctx, chat_id).await?;
        let contact = chat_contacts.first();
-        let was_seen_recently = match contact {
+        let freshness = match contact {
            Some(contact) => Contact::get_by_id(ctx, *contact)
                .await
                .context("contact")?
-                .was_seen_recently(),
-            None => false,
+                .get_freshness()
+                .into(),
+            None => ContactFreshness::Normal,
        };
-        (
-            contact.map(|contact_id| contact_id.to_u32()),
-            was_seen_recently,
-        )
+        (contact.map(|contact_id| contact_id.to_u32()), freshness)
    } else {
-        (None, false)
+        (None, ContactFreshness::Normal)
    };

    let color = color_int_to_hex_string(chat.get_color(ctx).await?);
@@ -170,7 +170,7 @@ pub(crate) async fn get_chat_list_item_by_id(
        is_muted: chat.is_muted(),
        is_contact_request: chat.is_contact_request(),
        dm_chat_contact,
-        was_seen_recently,
+        freshness,
        last_message_type: message_type,
        last_message_id: last_msgid.map(|id| id.to_u32()),
    })
@@ -1,4 +1,5 @@
 use anyhow::Result;
+use deltachat::contact;
 use deltachat::context::Context;
 use deltachat::key::{DcKey, SignedPublicKey};
 use serde::Serialize;
@@ -6,6 +7,27 @@ use typescript_type_def::TypeDef;

 use super::color_int_to_hex_string;

+/// Freshness of a contact, based on when it was last seen.
+#[derive(Serialize, TypeDef, schemars::JsonSchema)]
+pub enum ContactFreshness {
+    /// Contact shall not be highlighted.
+    Normal,
+    /// Contact was seen recently.
+    RecentlySeen,
+    /// Contact was not seen for a long time.
+    Old,
+}
+
+impl From<contact::Freshness> for ContactFreshness {
+    fn from(freshness: contact::Freshness) -> Self {
+        match freshness {
+            contact::Freshness::Normal => ContactFreshness::Normal,
+            contact::Freshness::RecentlySeen => ContactFreshness::RecentlySeen,
+            contact::Freshness::Old => ContactFreshness::Old,
+        }
+    }
+}
+
 #[derive(Serialize, TypeDef, schemars::JsonSchema)]
 #[serde(rename = "Contact", rename_all = "camelCase")]
 pub struct ContactObject {
@@ -17,7 +39,6 @@ pub struct ContactObject {
    id: u32,
    name: String,
    profile_image: Option<String>, // BLOBS
-    name_and_addr: String,
    is_blocked: bool,

    /// Is the contact a key contact.
@@ -31,40 +52,9 @@ pub struct ContactObject {
    /// e.g. if we just scanned the fingerprint from a QR code.
    e2ee_avail: bool,

-    /// True if the contact
-    /// can be added to protected chats
-    /// because SELF and contact have verified their fingerprints in both directions.
-    ///
-    /// See [`Self::verifier_id`]/`Contact.verifierId` for a guidance how to display these information.
-    is_verified: bool,
-
-    /// The contact ID that verified a contact.
-    ///
-    /// As verifier may be unknown,
-    /// use [`Self::is_verified`]/`Contact.isVerified` to check if a contact can be added to a protected chat.
-    ///
-    /// UI should display the information in the contact's profile as follows:
-    ///
-    /// - If `verifierId` != 0,
-    ///   display text "Introduced by ..."
-    ///   with the name of the contact.
-    ///   Prefix the text by a green checkmark.
-    ///
-    /// - If `verifierId` == 0 and `isVerified` != 0,
-    ///   display "Introduced" prefixed by a green checkmark.
-    ///
-    /// - if `verifierId` == 0 and `isVerified` == 0,
-    ///   display nothing
-    ///
-    /// This contains the contact ID of the verifier.
-    /// If it is `DC_CONTACT_ID_SELF`, we verified the contact ourself.
-    /// If it is None/Null, we don't have verifier information or
-    /// the contact is not verified.
-    verifier_id: Option<u32>,
-
    /// the contact's last seen timestamp
    last_seen: i64,
-    was_seen_recently: bool,
+    freshness: ContactFreshness,

    /// If the contact is a bot.
    is_bot: bool,
@@ -79,14 +69,6 @@ impl ContactObject {
            Some(path_buf) => path_buf.to_str().map(|s| s.to_owned()),
            None => None,
        };
-        let is_verified = contact.is_verified(context).await?;
-
-        let verifier_id = contact
-            .get_verifier_id(context)
-            .await?
-            .flatten()
-            .map(|contact_id| contact_id.to_u32());
-
        Ok(ContactObject {
            address: contact.get_addr().to_owned(),
            color: color_int_to_hex_string(contact.get_color()),
@@ -96,14 +78,11 @@ impl ContactObject {
            id: contact.id.to_u32(),
            name: contact.get_name().to_owned(),
            profile_image, //BLOBS
-            name_and_addr: contact.get_name_n_addr(),
            is_blocked: contact.is_blocked(),
            is_key_contact: contact.is_key_contact(),
            e2ee_avail: contact.e2ee_avail(context).await?,
-            is_verified,
-            verifier_id,
            last_seen: contact.last_seen(),
-            was_seen_recently: contact.was_seen_recently(),
+            freshness: contact.get_freshness().into(),
            is_bot: contact.is_bot(),
        })
    }
@@ -44,9 +44,6 @@ pub enum EventType {
    /// Emitted when an IMAP message has been marked as deleted
    ImapMessageDeleted { msg: String },

-    /// Emitted when an IMAP message has been moved
-    ImapMessageMoved { msg: String },
-
    /// Emitted before going into IDLE on the Inbox folder.
    ImapInboxIdle,

@@ -261,6 +258,15 @@ pub enum EventType {
        chat_id: u32,
    },

+    /// The list of pinned messages for the chat has changed.
+    ///
+    /// Some message got pinned, or pinned message is unpinned or deleted.
+    #[serde(rename_all = "camelCase")]
+    PinnedMessagesChanged {
+        /// ID of the chat where the list of pinned messages changed.
+        chat_id: u32,
+    },
+
    /// Contact(s) created, renamed, blocked or deleted.
    #[serde(rename_all = "camelCase")]
    ContactsChanged {
@@ -337,8 +343,7 @@ pub enum EventType {
        contact_id: u32,

        /// Progress as:
-        /// 400=vg-/vc-request-with-auth sent, typically shown as "alice@addr verified, introducing myself."
-        /// (Bob has verified alice and waits until Alice does the same for him)
+        /// 400=vg-/vc-request-with-auth sent, typically shown as "introducing myself."
        /// 1000=vg-member-added/vc-contact-confirm received
        progress: u16,
    },
@@ -394,11 +399,15 @@ pub enum EventType {
        msg_id: u32,
    },

-    /// Tells that the Background fetch was completed (or timed out).
-    /// This event acts as a marker, when you reach this event you can be sure
-    /// that all events emitted during the background fetch were processed.
+    /// Tells that a background fetch call is done:
+    /// the fetch completed, timed out, was stopped or was not started.
    ///
-    /// This event is only emitted by the account manager
+    /// For the call that started the fetch, this event acts as a marker:
+    /// all events emitted during the fetch were processed once it is reached.
+    /// A call made while another background fetch is running gets the event immediately,
+    /// and the running fetch keeps emitting events until its own marker.
+    ///
+    /// This event is only emitted by the account manager.
    AccountsBackgroundFetchDone,
    /// Inform that set of chats or the order of the chats in the chatlist has changed.
    ///
@@ -493,7 +502,6 @@ impl From<CoreEventType> for EventType {
            CoreEventType::ImapConnected(msg) => ImapConnected { msg },
            CoreEventType::SmtpMessageSent(msg) => SmtpMessageSent { msg },
            CoreEventType::ImapMessageDeleted(msg) => ImapMessageDeleted { msg },
-            CoreEventType::ImapMessageMoved(msg) => ImapMessageMoved { msg },
            CoreEventType::ImapInboxIdle => ImapInboxIdle,
            CoreEventType::NewBlobFile(file) => NewBlobFile { file },
            CoreEventType::DeletedBlobFile(file) => DeletedBlobFile { file },
@@ -513,6 +521,9 @@ impl From<CoreEventType> for EventType {
                msg_id: msg_id.to_u32(),
                contact_id: contact_id.to_u32(),
            },
+            CoreEventType::PinnedMessagesChanged { chat_id } => PinnedMessagesChanged {
+                chat_id: chat_id.to_u32(),
+            },
            CoreEventType::IncomingReaction {
                chat_id,
                contact_id,
@@ -7,7 +7,7 @@ use typescript_type_def::TypeDef;
 #[serde(rename = "Qr", rename_all = "camelCase")]
 #[serde(tag = "kind")]
 pub enum QrObject {
-    /// Ask the user whether to verify the contact.
+    /// Ask the user whether to start chatting with the contact.
    ///
    /// If the user agrees, pass this QR code to [`crate::securejoin::join_securejoin`].
    AskVerifyContact {
@@ -61,23 +61,13 @@ pub enum QrObject {
        /// Whether the inviter supports the new Securejoin v3 protocol
        is_v3: bool,
    },
-    /// Contact fingerprint is verified.
+    /// Contact fingerprint matches.
    ///
    /// Ask the user if they want to start chatting.
    FprOk {
        /// Contact ID.
        contact_id: u32,
    },
-    /// Scanned fingerprint does not match the last seen fingerprint.
-    FprMismatch {
-        /// Contact ID.
-        contact_id: Option<u32>,
-    },
-    /// The scanned QR code contains a fingerprint but no e-mail address.
-    FprWithoutAddr {
-        /// Key fingerprint.
-        fingerprint: String,
-    },
    /// Ask the user if they want to create an account on the given domain.
    Account {
        /// Server domain name.
@@ -296,11 +286,6 @@ impl From<Qr> for QrObject {
                let contact_id = contact_id.to_u32();
                QrObject::FprOk { contact_id }
            }
-            Qr::FprMismatch { contact_id } => {
-                let contact_id = contact_id.map(|contact_id| contact_id.to_u32());
-                QrObject::FprMismatch { contact_id }
-            }
-            Qr::FprWithoutAddr { fingerprint } => QrObject::FprWithoutAddr { fingerprint },
            Qr::Account { domain } => QrObject::Account { domain },
            Qr::Backup2 {
                ref node_addr,
@@ -12,7 +12,7 @@ pub struct JsonrpcReaction {
    emoji: String,

    /// Emoji frequency.
-    count: usize,
+    count: u32,

    /// True if we reacted with this emoji.
    is_from_self: bool,
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 license = "MPL-2.0"
 edition = "2024"
 repository = "https://github.com/chatmail/core"
@@ -259,19 +259,13 @@ async fn log_contactlist(context: &Context, contacts: &[ContactId]) -> Result<()
        let contact = Contact::get_by_id(context, *contact_id).await?;
        let name = contact.get_display_name();
        let addr = contact.get_addr();
-        let verified_str = if contact.is_verified(context).await? {
-            " √"
-        } else {
-            ""
-        };
        let line = format!(
-            "{}{} <{}>",
+            "{} <{}>",
            if !name.is_empty() {
                name
            } else {
                "<name unset>"
            },
-            verified_str,
            if !addr.is_empty() { addr } else { "addr unset" }
        );

@@ -1119,11 +1113,11 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu

            let contact_id = ContactId::new(arg1.parse()?);
            let contact = Contact::get_by_id(&context, contact_id).await?;
-            let name_n_addr = contact.get_name_n_addr();
+            let name = contact.get_display_name();
+            let addr = contact.get_addr();

            let mut res = format!(
-                "Contact info for: {}:\nIcon: {}\n",
-                name_n_addr,
+                "Contact info for: {name} ({addr}):\nIcon: {}\n",
                match contact.get_profile_image(&context).await? {
                    Some(image) => image.to_str().unwrap().to_string(),
                    None => "NoIcon".to_string(),
@@ -173,7 +173,7 @@ const DB_COMMANDS: [&str; 10] = [
    "housekeeping",
 ];

-const CHAT_COMMANDS: [&str; 39] = [
+const CHAT_COMMANDS: [&str; 38] = [
    "listchats",
    "listarchived",
    "start-realtime",
@@ -182,7 +182,6 @@ const CHAT_COMMANDS: [&str; 39] = [
    "createchat",
    "creategroup",
    "createbroadcast",
-    "createprotected",
    "addmember",
    "removemember",
    "groupname",
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"

 [project]
 name = "deltachat-rpc-client"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 license = "MPL-2.0"
 description = "Python client for Delta Chat core JSON-RPC interface"
 classifiers = [
@@ -139,6 +139,18 @@ class Account:
        """Add a new transport using a QR code."""
        yield self._rpc.add_transport_from_qr.future(self.id, qr)

+    @futuremethod
+    def init_transports(self, qr: Optional[str] = None):
+        """Add an initial transport on the chatmail relay that answers fastest.
+
+        The profile then adds further ones in the background.
+        A ``DCACCOUNT:`` or ``DCLOGIN:`` ``qr`` code adds a single transport
+        while securejoin codes add the inviter's relays to the candidates.
+
+        Does nothing if the profile already has a transport.
+        """
+        yield self._rpc.init_transports.future(self.id, qr)
+
    def delete_transport(self, addr: str):
        """Delete a transport."""
        self._rpc.delete_transport(self.id, addr)
@@ -150,9 +162,10 @@ class Account:
        return transports

    def bring_online(self):
-        """Start I/O and wait until IMAP becomes IDLE."""
+        """Start I/O, wait until all transports became IDLE and drop the events seen so far."""
        self.start_io()
-        self.wait_for_event(EventType.IMAP_INBOX_IDLE)
+        self._rpc.wait_for_all_work_done(self.id)
+        self.clear_all_events()

    def create_contact(self, obj: Union[int, str, Contact, "Account"], name: Optional[str] = None) -> Contact:
        """Create a new Contact or return an existing one.
@@ -271,7 +284,7 @@ class Account:
        return Contact(self, SpecialContactId.SELF)

    @property
-    def device_contact(self) -> Chat:
+    def device_contact(self) -> Contact:
        """Account's device contact."""
        return Contact(self, SpecialContactId.DEVICE)

@@ -359,7 +372,7 @@ class Account:
        return Chat(self, chat_id)

    def secure_join(self, qrdata: str) -> Chat:
-        """Continue a Setup-Contact or Verified-Group-Invite protocol started on another device.
+        """Continue the SecureJoin protocol started on another device.

        The function returns immediately and the handshake runs in background, sending
        and receiving several messages.
@@ -38,7 +38,6 @@ class EventType(str, Enum):
    IMAP_CONNECTED = "ImapConnected"
    SMTP_MESSAGE_SENT = "SmtpMessageSent"
    IMAP_MESSAGE_DELETED = "ImapMessageDeleted"
-    IMAP_MESSAGE_MOVED = "ImapMessageMoved"
    IMAP_INBOX_IDLE = "ImapInboxIdle"
    NEW_BLOB_FILE = "NewBlobFile"
    DELETED_BLOB_FILE = "DeletedBlobFile"
@@ -70,6 +69,7 @@ class EventType(str, Enum):
    SELFAVATAR_CHANGED = "SelfavatarChanged"
    WEBXDC_STATUS_UPDATE = "WebxdcStatusUpdate"
    WEBXDC_INSTANCE_DELETED = "WebxdcInstanceDeleted"
+    ACCOUNTS_BACKGROUND_FETCH_DONE = "AccountsBackgroundFetchDone"
    CHATLIST_CHANGED = "ChatlistChanged"
    CHATLIST_ITEM_CHANGED = "ChatlistItemChanged"
    ACCOUNTS_CHANGED = "AccountsChanged"
@@ -48,6 +48,13 @@ class DeltaChat:
        """Stop ongoing background fetch."""
        self.rpc.stop_background_fetch()

+    def wait_for_event(self, event_type=None) -> AttrDict:
+        """Wait until the next account manager event and return it."""
+        while True:
+            next_event = AttrDict(self.rpc.wait_for_event(0))
+            if event_type is None or next_event.kind == event_type:
+                return next_event
+
    def maybe_network(self) -> None:
        """Indicate that the network conditions might have changed."""
        self.rpc.maybe_network()
@@ -67,3 +74,7 @@ class DeltaChat:
    def stop_sending_locations(self) -> None:
        """Stop sending locations to all chats."""
        return self.rpc.stop_sending_locations()
+
+    def is_sending_finished(self) -> bool:
+        """Return true if sending queues of all accounts are empty."""
+        return self.rpc.is_sending_finished()
@@ -121,7 +121,7 @@ class Message:
        yield self._rpc.send_webxdc_realtime_advertisement.future(self.account.id, self.id)

    @futuremethod
-    def send_webxdc_realtime_data(self, data) -> None:
+    def send_webxdc_realtime_data(self, data):
        """Send data to the realtime channel."""
        yield self._rpc.send_webxdc_realtime_data.future(self.account.id, self.id, list(data))

@@ -76,7 +76,7 @@ class RPCAccountFactory:
        """Create a new unconfigured bot."""
        return Bot(self.get_unconfigured_account())

-    def get_credentials(self) -> (str, str):
+    def get_credentials(self) -> tuple[str, str]:
        """Generate new credentials for chatmail account."""
        domain = os.environ["CHATMAIL_DOMAIN"]
        username = "ci-" + "".join(random.choice("2345789acdefghjkmnpqrstuvwxyz") for i in range(6))
@@ -22,8 +22,18 @@ ALL = "1:*"
 class DirectImap:
    """Internal Python-level IMAP handling."""

-    def __init__(self, account: Account) -> None:
+    def __init__(self, account: Account, addr=None, password=None) -> None:
        self.account = account
+        if addr is None or password is None:
+            transport = account.list_transports()[-1]
+        if addr is None:
+            self.addr = transport["addr"]
+        else:
+            self.addr = addr
+        if password is None:
+            self.password = transport["password"]
+        else:
+            self.password = password
        self.logid = account.get_config("displayname") or id(account)
        self._idling = False
        self.connect()
@@ -33,9 +43,9 @@ class DirectImap:
        host = self.account.get_config("configured_mail_server")
        port = 993

-        user = self.account.get_config("addr")
+        user = self.addr
        host = user.rsplit("@")[-1]
-        pw = self.account.get_config("mail_pw")
+        pw = self.password

        ssl_context = ssl.create_default_context()
        if host.startswith("_"):
@@ -169,7 +179,7 @@ class DirectImap:
        self.conn.append(bytes(msg, encoding="ascii"), folder)

    def get_uid_by_message_id(self, message_id) -> str:
-        msgs = [msg.uid for msg in self.conn.fetch(AND(header=Header("MESSAGE-ID", message_id)))]
+        msgs = [msg.uid for msg in self.conn.fetch(AND(header=Header("MESSAGE-ID", message_id)), mark_seen=False)]
        if len(msgs) == 0:
            raise Exception("Did not find message " + message_id + ", maybe you forgot to select the correct folder?")
        return msgs[0]
@@ -178,9 +188,6 @@ class DirectImap:
 class IdleManager:
    def __init__(self, direct_imap) -> None:
        self.direct_imap = direct_imap
-        # fetch latest messages before starting idle so that it only
-        # returns messages that arrive anew
-        self.direct_imap.conn.fetch("1:*")
        self.direct_imap.conn.idle.start()

    def check(self, timeout=None) -> list[bytes]:
@@ -2,7 +2,7 @@ from __future__ import annotations

 from typing import TYPE_CHECKING

-from deltachat_rpc_client import Account, EventType, const
+from deltachat_rpc_client import EventType, const

 if TYPE_CHECKING:
    from deltachat_rpc_client.pytestplugin import RPCAccountFactory
@@ -144,7 +144,7 @@ def test_download_on_demand(acf: RPCAccountFactory, rpcdata) -> None:
    wait_for_chatlist_specific_item(alice, chat_id)


-def get_multi_account_test_setup(acf: RPCAccountFactory) -> [Account, Account, Account]:
+def get_multi_account_test_setup(acf: RPCAccountFactory) -> list:
    alice, bob = acf.get_online_accounts(2)

    alice_contact_bob = alice.create_contact(bob, "Bob")
@@ -25,13 +25,12 @@ def test_qr_setup_contact(acf, alice_and_remote_bob, version) -> None:
    remote_eval(f"bob.secure_join({qr_code!r})")
    alice.wait_for_securejoin_inviter_success()

-    # Test that Alice verified Bob's profile.
    alice_contact_bob_snapshot = alice_contact_bob.get_snapshot()
-    assert alice_contact_bob_snapshot.is_verified
+    assert alice_contact_bob_snapshot.e2ee_avail

    remote_eval("bob.wait_for_securejoin_joiner_success()")

-    # Test that Bob verified Alice's profile.
+    # The old core still marks Alice as verified, so the handshake is unchanged on the wire.
    assert remote_eval("bob_contact_alice.get_snapshot().is_verified")

    # Test that Bob can also scan a QR code
@@ -56,13 +55,12 @@ def test_qr_setup_contact_multitransport(acf, alice_and_remote_bob, version) ->
    remote_eval(f"bob.secure_join({qr_code!r})")
    alice.wait_for_securejoin_inviter_success()

-    # Test that Alice verified Bob's profile.
    alice_contact_bob_snapshot = alice_contact_bob.get_snapshot()
-    assert alice_contact_bob_snapshot.is_verified
+    assert alice_contact_bob_snapshot.e2ee_avail

    remote_eval("bob.wait_for_securejoin_joiner_success()")

-    # Test that Bob verified Alice's profile.
+    # The old core still marks Alice as verified, so the handshake is unchanged on the wire.
    assert remote_eval("bob_contact_alice.get_snapshot().is_verified")


@@ -137,3 +135,88 @@ def test_keyupdate_against_core_2_48_march_2026(acf, alice_and_remote_bob, repla
    if replace_relay:
        remote_eval("bob_contact_alice.create_chat().send_text('hello after replacement')")
        assert alice.wait_for_incoming_msg().get_snapshot().text == "hello after replacement"
+
+
+class LocalSide:
+    """Alice on the core under test."""
+
+    def __init__(self, account, peer_contact):
+        self.account = account
+        self.peer_contact = peer_contact
+        self.chat = None
+
+    def make_qr(self, invite):
+        if invite == "group":
+            self.chat = self.account.create_group("Group")
+        elif invite == "broadcast":
+            self.chat = self.account.create_broadcast("Channel")
+        return self.chat.get_qr_code() if self.chat else self.account.get_qr_code()
+
+    def join(self, qr):
+        self.account.secure_join(qr)
+
+    def wait_inviter(self):
+        self.account.wait_for_securejoin_inviter_success()
+
+    def wait_joiner(self):
+        self.account.wait_for_securejoin_joiner_success()
+
+    def send_text(self, text):
+        chat = self.chat or self.peer_contact.create_chat()
+        chat.send_text(text)
+
+    def next_text(self):
+        return self.account.wait_for_incoming_msg().get_snapshot().text
+
+
+class RemoteSide:
+    """Bob on the other core, driven through remote_eval."""
+
+    def __init__(self, remote_eval):
+        self.remote_eval = remote_eval
+        self.chat = None
+
+    def make_qr(self, invite):
+        if invite == "contact":
+            return self.remote_eval("bob.get_qr_code()")
+        create = {"group": "bob.create_group('Group')", "broadcast": "bob.create_broadcast('Channel')"}[invite]
+        self.remote_eval(f"locals().update(chat={create})")
+        self.chat = "chat"
+        return self.remote_eval("chat.get_qr_code()")
+
+    def join(self, qr):
+        self.remote_eval(f"bob.secure_join({qr!r})")
+
+    def wait_inviter(self):
+        self.remote_eval("bob.wait_for_securejoin_inviter_success()")
+
+    def wait_joiner(self):
+        self.remote_eval("bob.wait_for_securejoin_joiner_success()")
+
+    def send_text(self, text):
+        chat = self.chat or "bob_contact_alice.create_chat()"
+        self.remote_eval(f"{chat}.send_text({text!r})")
+
+    def next_text(self):
+        return self.remote_eval("bob.wait_for_incoming_msg().get_snapshot().text")
+
+
+@pytest.mark.parametrize("version", ["2.48.0"])
+@pytest.mark.parametrize("invite", ["contact", "group", "broadcast"])
+@pytest.mark.parametrize("remote_invites", [False, True], ids=["local-invites", "remote-invites"])
+def test_securejoin_invite(alice_and_remote_bob, version, invite, remote_invites):
+    """Every invite link type works with either core as the inviter."""
+    alice, alice_contact_bob, remote_eval = alice_and_remote_bob(version)
+    local = LocalSide(alice, alice_contact_bob)
+    remote = RemoteSide(remote_eval)
+    inviter, joiner = (remote, local) if remote_invites else (local, remote)
+
+    joiner.join(inviter.make_qr(invite))
+    joiner.wait_joiner()
+    inviter.wait_inviter()
+    # Group and broadcast joins add an info message first.
+    if invite != "contact":
+        joiner.next_text()
+
+    inviter.send_text("hello")
+    assert joiner.next_text() == "hello"
@@ -1,3 +1,4 @@
+import time
 import urllib.parse

 import pytest
@@ -7,6 +8,28 @@ from deltachat_rpc_client.const import ChatType, DownloadState
 from deltachat_rpc_client.rpc import JsonRpcError


+def alice_with_two_transports_and_bob(acf):
+    alice, bob = acf.get_online_accounts(2)
+    alice.add_transport_from_qr(acf.get_account_qr())
+    alice.bring_online()
+    return alice, alice.create_chat(bob), bob.create_chat(alice)
+
+
+def messages_with_text(chat, text):
+    return [msg for msg in chat.get_messages() if msg.get_snapshot().text == text]
+
+
+def wait_for_imap_message(imap):
+    while not imap.get_all_messages():
+        time.sleep(1)
+
+
+def test_init_transports(acf):
+    account = acf.get_unconfigured_account()
+    account.init_transports(acf.get_account_qr())
+    assert len(account.list_transports()) == 1
+
+
 def test_add_second_address(acf) -> None:
    account = acf.new_configured_account()
    assert len(account.list_transports()) == 1
@@ -35,10 +58,9 @@ def test_add_second_address(acf) -> None:


 def test_change_address(acf) -> None:
-    """Test Alice configuring a second transport and setting it as a primary one."""
+    """Test Alice configuring a second transport and removing the first one."""
    alice, bob = acf.get_online_accounts(2)

-    bob_addr = bob.get_config("configured_addr")
    bob.create_chat(alice)

    alice_chat_bob = alice.create_chat(bob)
@@ -48,22 +70,14 @@ def test_change_address(acf) -> None:
    sender_addr1 = msg1.sender.get_snapshot().address

    alice.stop_io()
-    old_alice_addr = alice.get_config("configured_addr")
+    old_alice_addr = alice.list_transports()[0]["addr"]
    alice_vcard = alice.self_contact.make_vcard()
    assert old_alice_addr in alice_vcard
    qr = acf.get_account_qr()
    alice.add_transport_from_qr(qr)
    new_alice_addr = alice.list_transports()[1]["addr"]
-    with pytest.raises(JsonRpcError):
-        # Cannot use the address that is not
-        # configured for any transport.
-        alice.set_config("configured_addr", bob_addr)

-    # Load old address so it is cached.
-    assert alice.get_config("configured_addr") == old_alice_addr
-    alice.set_config("configured_addr", new_alice_addr)
-    # Make sure that setting `configured_addr` invalidated the cache.
-    assert alice.get_config("configured_addr") == new_alice_addr
+    alice.delete_transport(old_alice_addr)

    alice_vcard = alice.self_contact.make_vcard()
    assert old_alice_addr not in alice_vcard
@@ -81,6 +95,25 @@ def test_change_address(acf) -> None:
    assert sender_addr2 == new_alice_addr


+def test_remove_transport_keep_messages(acf) -> None:
+    """Test that deleting current sending transport keeps queued messages."""
+    alice, bob = acf.get_online_accounts(2)
+
+    qr = acf.get_account_qr()
+    alice.add_transport_from_qr(qr)
+
+    alice.stop_io()
+    alice_chat_bob = alice.create_chat(bob)
+    alice_chat_bob.send_text("Hello!")
+
+    new_alice_addr = alice.list_transports()[1]["addr"]
+    alice.delete_transport(alice.list_transports()[0]["addr"])
+    alice.start_io()
+
+    bob_msg = bob.wait_for_incoming_msg().get_snapshot()
+    assert bob_msg.sender.get_snapshot().address == new_alice_addr
+
+
 def test_download_on_demand(acf, rpcdata) -> None:
    alice, bob = acf.get_online_accounts(2)
    alice.set_config("download_limit", "1")
@@ -192,10 +225,6 @@ def test_transport_sync_new_as_primary(acf, log) -> None:

    log.section("ac1 changes the primary transport")
    ac1.set_config("configured_addr", transport2["addr"])
-    ac1.wait_for_event(EventType.TRANSPORTS_MODIFIED)
-
-    ac1_clone.wait_for_event(EventType.TRANSPORTS_MODIFIED)
-    assert ac1_clone.get_config("configured_addr") == transport1["addr"]

    log.section("ac1_clone receives a message via the new transport")
    ac1_chat = ac1.create_chat(bob)
@@ -251,11 +280,10 @@ def test_message_info_imap_urls(acf) -> None:
    alice, bob = acf.get_online_accounts(2)

    qr = acf.get_account_qr()
-    for i in range(3):
+    for _ in range(3):
        alice.add_transport_from_qr(qr)
        # Wait for all transports to go IDLE after adding each one.
-        for _ in range(i + 1):
-            alice.bring_online()
+        alice.bring_online()

    # Enable multi-device mode so messages are not deleted immediately.
    alice.set_config("bcc_self", "1")
@@ -287,14 +315,7 @@ def test_message_info_imap_urls(acf) -> None:

 def test_remove_primary_transport(acf, log) -> None:
    """Test that after removing the primary relay, Alice can still receive messages."""
-    alice, bob = acf.get_online_accounts(2)
-    qr = acf.get_account_qr()
-
-    alice.add_transport_from_qr(qr)
-    alice.bring_online()
-
-    bob_chat = bob.create_chat(alice)
-    alice.create_chat(bob)
+    alice, alice_chat, bob_chat = alice_with_two_transports_and_bob(acf)

    log.section("Alice sets up second transport")
    [transport1, transport2] = alice.list_transports()
@@ -313,7 +334,7 @@ def test_remove_primary_transport(acf, log) -> None:
    msg2 = alice.wait_for_incoming_msg().get_snapshot()
    assert msg2.text == "Hello again!"
    assert msg2.chat.get_basic_snapshot().chat_type == ChatType.SINGLE
-    assert msg2.chat == alice.create_chat(bob)
+    assert msg2.chat == alice_chat


 def test_qr_works_after_removing_primary_transport(acf, log) -> None:
@@ -344,3 +365,44 @@ def test_qr_works_after_removing_primary_transport(acf, log) -> None:
    bob.secure_join(chat_qr)
    alice.wait_for_securejoin_inviter_success()
    bob.wait_for_securejoin_joiner_success()
+
+
+def test_background_fetch_from_second_transport(acf, direct_imap, dc):
+    alice, alice_chat, bob_chat = alice_with_two_transports_and_bob(acf)
+    [transport1, transport2] = alice.list_transports()
+    assert alice.get_config("configured_addr") == transport1["addr"]
+
+    alice.stop_io()
+    bob_chat.send_text("hello")
+    imap1 = direct_imap(alice, transport1["addr"], transport1["password"])
+    wait_for_imap_message(direct_imap(alice, transport2["addr"], transport2["password"]))
+    wait_for_imap_message(imap1)
+
+    # Leave the message on the second transport only.
+    imap1.delete("1:*")
+
+    dc.background_fetch(300)
+    assert len(messages_with_text(alice_chat, "hello")) == 1
+
+
+def test_background_fetch_no_duplicates(acf, direct_imap, dc):
+    alice, alice_chat, bob_chat = alice_with_two_transports_and_bob(acf)
+
+    alice.stop_io()
+    bob_chat.send_text("hello")
+    for transport in alice.list_transports():
+        wait_for_imap_message(direct_imap(alice, transport["addr"], transport["password"]))
+
+    dc.background_fetch(300)
+    assert len(messages_with_text(alice_chat, "hello")) == 1
+
+
+def test_multitransport_mdn(acf):
+    """Test sending an MDN right after configuring two transports."""
+    alice, bob = acf.get_online_accounts(2)
+    alice.add_transport_from_qr(acf.get_account_qr())
+    alice.bring_online()
+    alice.create_chat(bob)
+    bob_msg = bob.create_chat(alice).send_text("Hello!")
+    alice.wait_for_incoming_msg().mark_seen()
+    assert bob.wait_for_event(EventType.MSG_READ).msg_id == bob_msg.id
@@ -4,10 +4,9 @@ import pytest

 from deltachat_rpc_client import Chat, EventType, SpecialContactId
 from deltachat_rpc_client.const import ChatType
-from deltachat_rpc_client.rpc import JsonRpcError


-def test_qr_setup_contact(acf, tmp_path) -> None:
+def test_qr_setup_contact(acf) -> None:
    alice, bob = acf.get_online_accounts(2)

    qr_code = alice.get_qr_code()
@@ -15,38 +14,20 @@ def test_qr_setup_contact(acf, tmp_path) -> None:

    alice.wait_for_securejoin_inviter_success()

-    # Test that Alice verified Bob's profile.
    alice_contact_bob = alice.create_contact(bob)
    alice_contact_bob_snapshot = alice_contact_bob.get_snapshot()
-    assert alice_contact_bob_snapshot.is_verified
+    assert alice_contact_bob_snapshot.e2ee_avail

    bob.wait_for_securejoin_joiner_success()

-    # Test that Bob verified Alice's profile.
    bob_contact_alice = bob.create_contact(alice)
    bob_contact_alice_snapshot = bob_contact_alice.get_snapshot()
-    assert bob_contact_alice_snapshot.is_verified
-
-    # Test that if Bob imports a key,
-    # backwards verification is not lost
-    # because default key is not changed.
-    logging.info("Bob 2 is created")
-    bob2 = acf.new_configured_account()
-    bob2.export_self_keys(tmp_path)
-
-    logging.info("Bob tries to import a key")
-    # Importing a second key is not allowed.
-    with pytest.raises(JsonRpcError):
-        bob.import_self_keys(tmp_path)
-
-    assert bob.get_config("key_id") == "1"
-    bob_contact_alice_snapshot = bob_contact_alice.get_snapshot()
-    assert bob_contact_alice_snapshot.is_verified
+    assert bob_contact_alice_snapshot.e2ee_avail


 def test_qr_setup_contact_svg(acf) -> None:
    alice = acf.new_configured_account()
-    _, _, domain = alice.get_config("addr").rpartition("@")
+    _, _, domain = alice.list_transports()[0]["addr"].rpartition("@")

    _qr_code, svg = alice.get_qr_code_svg()

@@ -62,6 +43,7 @@ def test_qr_setup_contact_svg(acf) -> None:
 def test_qr_securejoin(acf):
    alice, bob, fiona = acf.get_online_accounts(3)

+    alice.set_config("displayname", "Alice")
    # Setup second device for Alice
    # to test observing securejoin protocol.
    alice2 = alice.clone()
@@ -81,26 +63,24 @@ def test_qr_securejoin(acf):
        ac.wait_for_event(EventType.IMAP_MESSAGE_DELETED)
    bob.wait_for_securejoin_joiner_success()

-    # Test that Alice verified Bob's profile.
    alice_contact_bob = alice.create_contact(bob)
    alice_contact_bob_snapshot = alice_contact_bob.get_snapshot()
-    assert alice_contact_bob_snapshot.is_verified
+    assert alice_contact_bob_snapshot.e2ee_avail

    snapshot = bob.wait_for_incoming_msg().get_snapshot()
-    assert snapshot.text == "You were added by {}.".format(alice.get_config("addr"))
+    assert snapshot.text == "You were added by Alice."

-    # Test that Bob verified Alice's profile.
    bob_contact_alice = bob.create_contact(alice)
    bob_contact_alice_snapshot = bob_contact_alice.get_snapshot()
-    assert bob_contact_alice_snapshot.is_verified
+    assert bob_contact_alice_snapshot.e2ee_avail

    # Start second Alice device.
-    # Alice observes securejoin protocol and verifies Bob on second device.
+    # Alice observes the securejoin protocol on the second device.
    alice2.start_io()
    alice2.wait_for_securejoin_inviter_success()
    alice2_contact_bob = alice2.create_contact(bob)
    alice2_contact_bob_snapshot = alice2_contact_bob.get_snapshot()
-    assert alice2_contact_bob_snapshot.is_verified
+    assert alice2_contact_bob_snapshot.e2ee_avail

    # The QR code token is synced, so alice2 must be able to handle join requests.
    logging.info("Fiona joins the group via alice2")
@@ -151,9 +131,9 @@ def test_qr_securejoin_broadcast(acf, all_devices_online):
        assert snapshot2.chat_id == chat.id

    def check_account(ac, contact, inviter_side, please_wait_info_msg=False):
-        # Check that the chat partner is verified.
+        # Check that the chat partner's key is known.
        contact_snapshot = contact.get_snapshot()
-        assert contact_snapshot.is_verified
+        assert contact_snapshot.e2ee_avail

        chat = get_broadcast(ac)
        chat_msgs = chat.get_messages()
@@ -167,17 +147,13 @@ def test_qr_securejoin_broadcast(acf, all_devices_online):
            assert "invited you to join this channel" in first_msg.text
            assert first_msg.is_info

-        if inviter_side:
-            member_added_msg = chat_msgs.pop(0).get_snapshot()
-            assert member_added_msg.text == f"Member {contact_snapshot.display_name} added."
-            assert member_added_msg.info_contact_id == contact_snapshot.id
-        else:
+        if not inviter_side:
            if chat_msgs[0].get_snapshot().text == "You joined the channel.":
                member_added_msg = chat_msgs.pop(0).get_snapshot()
            else:
                member_added_msg = chat_msgs.pop(1).get_snapshot()
                assert member_added_msg.text == "You joined the channel."
-        assert member_added_msg.is_info
+            assert member_added_msg.is_info

        hello_msg = chat_msgs.pop(0).get_snapshot()
        assert hello_msg.text == "Hello everyone!"
@@ -242,7 +218,7 @@ def test_qr_securejoin_broadcast(acf, all_devices_online):
    snapshot = fiona.wait_for_incoming_msg().get_snapshot()
    assert snapshot.text == "You joined the channel."

-    get_broadcast(alice2).get_messages()[2].resend()
+    get_broadcast(alice2).get_messages()[1].resend()
    snapshot = fiona.wait_for_incoming_msg().get_snapshot()
    assert snapshot.text == "Hello everyone!"

@@ -350,8 +326,8 @@ def test_setup_contact_resetup(acf) -> None:
    bob.wait_for_securejoin_joiner_success()


-def test_verified_group_member_added_recovery(acf) -> None:
-    """Tests verified group recovery by reverifying then removing and adding a member back."""
+def test_group_member_added_recovery(acf) -> None:
+    """Tests group recovery after a member resets its key."""
    ac1, ac2, ac3 = acf.get_online_accounts(3)

    logging.info("ac1 creates a group")
@@ -362,11 +338,7 @@ def test_verified_group_member_added_recovery(acf) -> None:
    ac2.secure_join(qr_code)
    ac2.wait_for_securejoin_joiner_success()

-    # ac1 has ac2 directly verified.
-    ac1_contact_ac2 = ac1.create_contact(ac2)
-    assert ac1_contact_ac2.get_snapshot().verifier_id == SpecialContactId.SELF
-
-    logging.info("ac3 joins verified group")
+    logging.info("ac3 joins the group")
    ac3_chat = ac3.secure_join(qr_code)
    ac3.wait_for_securejoin_joiner_success()
    ac3.wait_for_incoming_msg_event()  # Member added
@@ -376,7 +348,7 @@ def test_verified_group_member_added_recovery(acf) -> None:
    logging.info("ac2 logs in on a new device")
    ac2 = acf.resetup_account(ac2)

-    logging.info("ac2 reverifies with ac3")
+    logging.info("ac2 scans ac3's QR code again")
    qr_code = ac3.get_qr_code()
    ac2.secure_join(qr_code)
    ac2.wait_for_securejoin_joiner_success()
@@ -416,14 +388,6 @@ def test_verified_group_member_added_recovery(acf) -> None:
    snapshot = ac1.wait_for_incoming_msg().get_snapshot()
    assert snapshot.text == "Works again!"

-    ac1_contact_ac2 = ac1.create_contact(ac2)
-    ac1_contact_ac3 = ac1.create_contact(ac3)
-    ac1_contact_ac2_snapshot = ac1_contact_ac2.get_snapshot()
-    # Until we reset verifications and then send the _verified header,
-    # verification is not gossiped here:
-    assert not ac1_contact_ac2_snapshot.is_verified
-    assert ac1_contact_ac2_snapshot.verifier_id != ac1_contact_ac3.id
-

 def test_qr_join_chat_with_pending_bobstate_issue4894(acf):
    """Regression test for
@@ -431,13 +395,13 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acf):
    """
    ac1, ac2, ac3, ac4 = acf.get_online_accounts(4)

-    logging.info("ac3: verify with ac2")
+    logging.info("ac3: set up contact with ac2")
    qr_code = ac2.get_qr_code()
    ac3.secure_join(qr_code)
    ac2.wait_for_securejoin_inviter_success()

-    # in order for ac2 to have pending bobstate with a verified group
-    # we first create a fully joined verified group, and then start
+    # in order for ac2 to have pending bobstate with a group
+    # we first create a fully joined group, and then start
    # joining a second time but interrupt it, to create pending bob state

    logging.info("ac1: create a group that ac2 fully joins")
@@ -446,7 +410,7 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acf):
    ac2.secure_join(qr_code)
    ac1.wait_for_securejoin_inviter_success()

-    # ensure ac1 can write and ac2 receives messages in verified chat
+    # ensure ac1 can write and ac2 receives messages in the chat
    ch1.send_text("ac1 says hello")
    while 1:
        snapshot = ac2.wait_for_incoming_msg().get_snapshot()
@@ -459,11 +423,11 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acf):
    ac1.remove()
    logging.info("ac2 now has pending bobstate but ac1 is shutoff")

-    # we meanwhile expect ac3/ac2 verification started in the beginning to have completed
-    assert ac3.create_contact(ac2).get_snapshot().is_verified
-    assert ac2.create_contact(ac3).get_snapshot().is_verified
+    # we meanwhile expect the ac3/ac2 setup-contact started in the beginning to have completed
+    assert ac3.create_contact(ac2).get_snapshot().e2ee_avail
+    assert ac2.create_contact(ac3).get_snapshot().e2ee_avail

-    logging.info("ac3: create a verified group VG with ac2")
+    logging.info("ac3: create a group VG with ac2")
    vg = ac3.create_group("ac3-created")
    vg.add_contact(ac3.create_contact(ac2))

@@ -486,7 +450,7 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acf):

 def test_qr_new_group_unblocked(acf):
    """Regression test for a bug introduced in core v1.113.0.
-    ac2 scans a verified group QR code created by ac1.
+    ac2 scans a group QR code created by ac1.
    This results in creation of a blocked single chat with ac1 on ac2,
    but ac1 contact is not blocked on ac2.
    Then ac1 creates a group, adds ac2 there and promotes it by sending a message.
@@ -513,13 +477,13 @@ def test_qr_new_group_unblocked(acf):


@pytest.mark.skip(reason="AEAP is disabled for now")
-def test_aeap_flow_verified(acf):
+def test_aeap_flow(acf):
    """Test that a new address is added to a contact when it changes its address."""
    ac1, ac2 = acf.get_online_accounts(2)

    addr, password = acf.get_credentials()

-    logging.info("ac1: create verified-group QR, ac2 scans and joins")
+    logging.info("ac1: create group QR, ac2 scans and joins")
    chat = ac1.create_group("hello")
    qr_code = chat.get_qr_code()
    logging.info("ac2: start QR-code based join-group protocol")
@@ -536,11 +500,9 @@ def test_aeap_flow_verified(acf):
    assert msg_in_1.text == msg_out.text

    logging.info("changing email account")
-    ac1.set_config("addr", addr)
-    ac1.set_config("mail_pw", password)
-    ac1.stop_io()
-    ac1.configure()
-    ac1.start_io()
+    old_addr = ac1.list_transports()[0]["addr"]
+    ac1.add_transport_from_qr(acf.get_account_qr())
+    ac1.delete_transport(old_addr)

    logging.info("sending second message")
    msg_out = chat.send_text("changed address").get_snapshot()
@@ -555,65 +517,16 @@ def test_aeap_flow_verified(acf):
    assert addr in [contact.get_snapshot().address for contact in msg_in_2_snapshot.chat.get_contacts()]


-def test_gossip_verification(acf) -> None:
-    alice, bob, carol = acf.get_online_accounts(3)
-
-    # Bob verifies Alice.
-    qr_code = alice.get_qr_code()
-    bob.secure_join(qr_code)
-    bob.wait_for_securejoin_joiner_success()
-
-    # Bob verifies Carol.
-    qr_code = carol.get_qr_code()
-    bob.secure_join(qr_code)
-    bob.wait_for_securejoin_joiner_success()
-
-    bob_contact_alice = bob.create_contact(alice, "Alice")
-    bob_contact_carol = bob.create_contact(carol, "Carol")
-    carol_contact_alice = carol.create_contact(alice, "Alice")
-
-    logging.info("Bob creates an Autocrypt group")
-    bob_group_chat = bob.create_group("Autocrypt Group")
-    bob_group_chat.add_contact(bob_contact_alice)
-    bob_group_chat.add_contact(bob_contact_carol)
-    bob_group_chat.send_message(text="Hello Autocrypt group")
-
-    snapshot = carol.wait_for_incoming_msg().get_snapshot()
-    assert snapshot.text == "Hello Autocrypt group"
-    assert snapshot.show_padlock
-
-    # Group propagates verification using Autocrypt-Gossip header.
-    carol_contact_alice_snapshot = carol_contact_alice.get_snapshot()
-    # Until we reset verifications and then send the _verified header,
-    # verification is not gossiped here:
-    assert not carol_contact_alice_snapshot.is_verified
-
-    logging.info("Bob creates a Securejoin group")
-    bob_group_chat = bob.create_group("Securejoin Group")
-    bob_group_chat.add_contact(bob_contact_alice)
-    bob_group_chat.add_contact(bob_contact_carol)
-    bob_group_chat.send_message(text="Hello Securejoin group")
-
-    snapshot = carol.wait_for_incoming_msg().get_snapshot()
-    assert snapshot.text == "Hello Securejoin group"
-    assert snapshot.show_padlock
-
-    # Securejoin propagates verification.
-    carol_contact_alice_snapshot = carol_contact_alice.get_snapshot()
-    # Until we reset verifications and then send the _verified header,
-    # verification is not gossiped here:
-    assert not carol_contact_alice_snapshot.is_verified
-
-
 def test_securejoin_after_contact_resetup(acf) -> None:
    """
-    Regression test for a bug that prevented joining verified group with a QR code
-    if the group is already created and contains
-    a contact with inconsistent (Autocrypt and verified keys exist but don't match) key state.
+    Regression test for a bug that prevented joining a group with a QR code
+    if the group already contains a contact with the same address as the inviter,
+    but different key fingerprint while a securejoin with that contact is still pending.
    """
    ac1, ac2, ac3 = acf.get_online_accounts(3)
+    ac3.set_config("displayname", "ac3")

-    # ac3 creates protected group with ac1.
+    # ac3 creates a group with ac1.
    ac3_chat = ac3.create_group("Group")

    # ac1 joins ac3 group.
@@ -623,31 +536,27 @@ def test_securejoin_after_contact_resetup(acf) -> None:

    # ac1 waits for member added message and creates a QR code.
    snapshot = ac1.wait_for_incoming_msg().get_snapshot()
-    assert snapshot.text == "You were added by {}.".format(ac3.get_config("addr"))
+    assert snapshot.text == "You were added by ac3."
    ac1_qr_code = snapshot.chat.get_qr_code()

-    # ac2 verifies ac1
+    # ac2 sets up contact with ac1
    qr_code = ac1.get_qr_code()
    ac2.secure_join(qr_code)
    ac2.wait_for_securejoin_joiner_success()

-    # ac1 is verified for ac2.
    ac2_contact_ac1 = ac2.create_contact(ac1, "")
-    assert ac2_contact_ac1.get_snapshot().is_verified
+    assert ac2_contact_ac1.get_snapshot().e2ee_avail

    # ac1 resetups the account.
    ac1 = acf.resetup_account(ac1)
-    ac2_contact_ac1 = ac2.create_contact(ac1, "")
-    assert not ac2_contact_ac1.get_snapshot().is_verified

    # ac1 goes offline.
    ac1.remove()

-    # Scanning a QR code results in creating an unprotected group with an inviter.
-    # In this case inviter is ac1 which has an inconsistent key state.
-    # Normally inviter becomes verified as a result of Securejoin protocol
-    # and then the group chat becomes verified when "Member added" is received,
-    # but in this case ac1 is offline and this Securejoin process will never finish.
+    # Scanning a QR code creates a group with the inviter, here ac1.
+    # Normally the securejoin protocol
+    # would complete and "Member added" would arrive,
+    # but ac1 is offline so it never finishes.
    logging.info("ac2 scans ac1 QR code, this is not expected to finish")
    ac2.secure_join(ac1_qr_code)

@@ -664,16 +573,15 @@ def test_securejoin_after_contact_resetup(acf) -> None:
    ac2_chat = snapshot.chat
    assert len(ac2_chat.get_contacts()) == 3

-    # ac1 is still "not verified" for ac2 due to inconsistent state.
-    assert not ac2_contact_ac1.get_snapshot().is_verified
-

 def test_withdraw_securejoin_qr(acf):
    alice, bob = acf.get_online_accounts(2)
+    alice.set_config("displayname", "Alice")
+    bob.set_config("displayname", "Bob")

    logging.info("Alice creates a group")
    alice_chat = alice.create_group("Group")
-    logging.info("Bob joins verified group")
+    logging.info("Bob joins the group")

    qr_code = alice_chat.get_qr_code()
    bob_chat = bob.secure_join(qr_code)
@@ -682,11 +590,11 @@ def test_withdraw_securejoin_qr(acf):
    alice.clear_all_events()

    snapshot = bob.wait_for_incoming_msg().get_snapshot()
-    assert snapshot.text == "You were added by {}.".format(alice.get_config("addr"))
+    assert snapshot.text == "You were added by Alice."
    bob_chat.leave()

    snapshot = alice.get_message_by_id(alice.wait_for_msgs_changed_event().msg_id).get_snapshot()
-    assert snapshot.text == "Group left by {}.".format(bob.get_config("addr"))
+    assert snapshot.text == "Group left by Bob."

    logging.info("Alice withdraws QR code.")
    qr = alice.check_qr(qr_code)
@@ -155,7 +155,7 @@ def test_list_transports(acf) -> None:
 def test_account(acf) -> None:
    alice, bob = acf.get_online_accounts(2)

-    bob_addr = bob.get_config("addr")
+    bob_addr = bob.get_config("configured_addr")
    alice_contact_bob = alice.create_contact(bob, "Bob")
    alice_chat_bob = alice_contact_bob.create_chat()
    alice_chat_bob.send_text("Hello!")
@@ -318,7 +318,7 @@ def test_chat(acf) -> None:
 def test_contact(acf) -> None:
    alice, bob = acf.get_online_accounts(2)

-    bob_addr = bob.get_config("addr")
+    bob_addr = bob.get_config("configured_addr")
    alice_contact_bob = alice.create_contact(bob, "Bob")

    assert alice_contact_bob == alice.get_contact_by_id(alice_contact_bob.id)
@@ -421,7 +421,6 @@ def test_dont_move_sync_msgs(acf, direct_imap):
    addr, password = acf.get_credentials()
    ac1 = acf.get_unconfigured_account()
    ac1.set_config("bcc_self", "1")
-    ac1.set_config("fix_is_chatmail", "1")
    ac1.add_or_update_transport({"addr": addr, "password": password})
    ac1.start_io()
    ac1_direct_imap = direct_imap(ac1)
@@ -605,7 +604,6 @@ def test_import_export_online_all(acf, tmp_path, rpcdata, log) -> None:
    (ac1, some1) = acf.get_online_accounts(2)

    log.section("create some chat content")
-    some1_addr = some1.get_config("addr")
    chat1 = ac1.create_contact(some1).create_chat()
    chat1.send_text("msg1")
    assert len(ac1.get_contacts()) == 1
@@ -623,7 +621,6 @@ def test_import_export_online_all(acf, tmp_path, rpcdata, log) -> None:
        contacts = ac.get_contacts()
        assert len(contacts) == 1
        contact2 = contacts[0]
-        assert contact2.get_snapshot().address == some1_addr
        chat2 = contact2.create_chat()
        messages = chat2.get_messages()
        assert len(messages) == 3 + E2EE_INFO_MSGS
@@ -1188,7 +1185,6 @@ def test_leave_broadcast(acf, all_devices_online):

    def check_account(ac, contact, inviter_side, please_wait_info_msg=False):
        chat = get_broadcast(ac)
-        contact_snapshot = contact.get_snapshot()
        chat_msgs = chat.get_messages()

        encrypted_msg = chat_msgs.pop(0).get_snapshot()
@@ -1200,14 +1196,11 @@ def test_leave_broadcast(acf, all_devices_online):
            assert "invited you to join this channel" in first_msg.text
            assert first_msg.is_info

-        member_added_msg = chat_msgs.pop(0).get_snapshot()
-        if inviter_side:
-            assert member_added_msg.text == f"Member {contact_snapshot.display_name} added."
-        else:
-            assert member_added_msg.text == "You joined the channel."
-        assert member_added_msg.is_info
-
        if not inviter_side:
+            member_added_msg = chat_msgs.pop(0).get_snapshot()
+            assert member_added_msg.text == "You joined the channel."
+            assert member_added_msg.is_info
+
            leave_msg = chat_msgs.pop(0).get_snapshot()
            assert leave_msg.text == "You left the channel."

@@ -1354,6 +1347,22 @@ def test_background_fetch(acf, dc):
            break


+def test_background_fetch_does_not_wait_for_sending(dc, acf):
+    alice, bob = acf.get_online_accounts(2)
+    alice_chat_bob = alice.create_chat(bob)
+
+    alice.stop_io()
+    text = "x" * 200_000
+    for _ in range(50):
+        alice_chat_bob.send_text(text)
+    assert not dc.is_sending_finished()
+
+    alice.start_io()
+    dc.background_fetch(50)
+    dc.wait_for_event(EventType.ACCOUNTS_BACKGROUND_FETCH_DONE)
+    assert not dc.is_sending_finished()
+
+
 def test_message_exists(acf):
    ac1, ac2 = acf.get_online_accounts(2)
    chat = ac1.create_chat(ac2)
@@ -1435,3 +1444,35 @@ def test_large_message(acf, rpcdata) -> None:
    assert msg.id == msgs_changed_event.msg_id
    snapshot = msg.get_snapshot()
    assert snapshot.text == "Hello World, this message is bigger than 5 bytes"
+
+
+def test_is_sending_finished(dc, acf) -> None:
+    alice, bob = acf.get_online_accounts(2)
+
+    alice_chat_bob = alice.create_chat(bob)
+    bob_chat_alice = bob.create_chat(alice)
+
+    assert dc.is_sending_finished()
+
+    alice_chat_bob.send_text("Hello!")
+    alice.wait_for_event(EventType.SMTP_MESSAGE_SENT)
+
+    assert dc.is_sending_finished()
+
+    alice.stop_io()
+    bob.stop_io()
+
+    bob_chat_alice.send_text("Hello back!")
+    alice_chat_bob.send_text("Hello again!")
+
+    assert not dc.is_sending_finished()
+
+    alice.start_io()
+    alice.wait_for_event(EventType.SMTP_MESSAGE_SENT)
+
+    assert not dc.is_sending_finished()
+
+    bob.start_io()
+    bob.wait_for_event(EventType.SMTP_MESSAGE_SENT)
+
+    assert dc.is_sending_finished()
@@ -21,7 +21,7 @@ def test_webxdc(acf, rpcdata) -> None:
        "isAppSender": False,
        "isBroadcast": False,
        "sendUpdateInterval": 1000,
-        "sendUpdateMaxSize": 18874368,
+        "sendUpdateMaxSize": 2**20 * (30 - 1) * 3 // 4,
    }

    status_updates = message.get_webxdc_status_updates()
@@ -1,9 +1,8 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 description = "DeltaChat JSON-RPC server"
 edition = "2024"
-readme = "README.md"
 license = "MPL-2.0"

 keywords = ["deltachat", "chat", "openpgp", "email", "encryption"]
@@ -15,5 +15,5 @@
  },
  "type": "module",
  "types": "index.d.ts",
-  "version": "2.60.0-dev"
+  "version": "2.63.0-dev"
 }
@@ -56,7 +56,7 @@ for (const { folder_name, package_name } of platform_package_names) {

 if (is_local) {
  package_json.peerDependencies["@deltachat/jsonrpc-client"] =
-    `file:${join(expected_cwd, "/../../deltachat-jsonrpc/typescript")}`;
+    `file:${join(expected_cwd, "/../../deltachat-jsonrpc-bindings/typescript")}`;
 } else {
  package_json.peerDependencies["@deltachat/jsonrpc-client"] = "*";
 }
@@ -69,8 +69,11 @@ skip = [
     { name = "derive_more-impl", version = "1.0.0" },
     { name = "derive_more", version = "1.0.0" },
     { name = "event-listener", version = "2.5.3" },
+     { name = "foldhash", version = "0.1.5" },
     { name = "getrandom", version = "0.2.12" },
     { name = "getrandom", version = "0.3.3" },
+     { name = "hashbrown", version = "0.15.4" },
+     { name = "hashbrown", version = "0.16.1" },
     { name = "heck", version = "0.4.1" },
     { name = "http", version = "0.2.12" },
     { name = "hybrid-array", version = "0.2.3" },
@@ -72,8 +72,7 @@ CREATE TABLE contacts (
    -- empty string for "address-contacts".
    fingerprint TEXT NOT NULL DEFAULT '',

-    -- ID of the contact that has "introduced" us to this contact
-    -- by sharing the key with a verified attribute or in a "verified" chat.
+    -- Unused. Was the ID of the contact that introduced this contact's key.
    verifier INTEGER NOT NULL DEFAULT 0
 );
 CREATE INDEX contacts_index1 ON contacts (name COLLATE NOCASE);
@@ -131,9 +130,7 @@ CREATE TABLE chats (
    -- 0 means the timer is disabled.
    ephemeral_timer INTEGER,

-    -- Deprecated, but still used to send Chat-Verified headers
-    -- for existing protected chats.
-    -- All new chats are created as "not protected".
+    -- Unused. Was 1 for protected chats.
    protected INTEGER DEFAULT 0,

    gossiped_timestamp INTEGER DEFAULT 0, -- deprecated 2025-04-08, replaced with gossip_timestamp table
@@ -400,14 +397,51 @@ CREATE TABLE bobstate (
    chat_id INTEGER NOT NULL
 );

-CREATE TABLE smtp (
-  id INTEGER PRIMARY KEY AUTOINCREMENT,
-  rfc724_mid TEXT NOT NULL,          -- Message-ID
-  mime TEXT NOT NULL,                -- SMTP payload
-  msg_id INTEGER NOT NULL,           -- ID of the message in `msgs` table
-  recipients TEXT NOT NULL,          -- List of recipients separated by space
-  retries INTEGER NOT NULL DEFAULT 0 -- Number of failed attempts to send the message
-);
+CREATE TABLE smtp2 (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    display_name TEXT NOT NULL, -- Display name to put into the From field.
+    rfc724_mid TEXT NOT NULL, -- Message-ID
+
+    -- Unencrypted payload with some headers.
+    mime BLOB NOT NULL,
+
+    -- True if Autocrypt header should be added before sending.
+    should_attach_pubkey INTEGER NOT NULL,
+
+    -- True if OpenPGP-encrypted message may use compression.
+    should_compress INTEGER NOT NULL,
+
+    -- True if encrypted message should be signed.
+    should_sign INTEGER NOT NULL,
+
+    -- ID of the message in `msgs` table
+    msg_id INTEGER NOT NULL,
+
+    -- Space-separated recipient addresses.
+    recipients TEXT NOT NULL,
+
+    -- Space-separated addresses the message was sent to.
+    sent_to TEXT NOT NULL DEFAULT '',
+
+    -- If true, copy should be sent to self in addition to the recipient list.
+    --
+    -- For encrypted messages copy is sent to all addresses.
+    -- For unencrypted messages, copy is sent to the From address only.
+    bcc_self INTEGER NOT NULL,
+
+    -- True if the message is encrypted.
+    -- If true, at most one of the shared_secret or encryption_fingerprints should be non-empty.
+    -- If false, both must be empty.
+    is_encrypted INTEGER NOT NULL,
+
+    -- Shared secret if the message is to be encrypted symmetrically.
+    shared_secret TEXT NOT NULL DEFAULT '',
+
+    -- Space-separated fingerprints of the keys the message should be encrypted to.
+    encryption_fingerprints TEXT NOT NULL DEFAULT '',
+
+    retries INTEGER NOT NULL DEFAULT 0 -- Number of failed attempts to send the message
+) STRICT;

 CREATE TABLE smtp_mdns (
    msg_id INTEGER NOT NULL, -- id of the message in msgs table which requested MDN (DEPRECATED 2024-06-21)
@@ -596,9 +630,12 @@ CREATE TABLE broadcast_secrets(


 -- Candidate chatmail relays for automatic relay management.
+-- Holds the hosts a QR code contributed and the default relays already tried;
+-- the default list itself lives in `autorelay.rs` and is not stored here.
 CREATE TABLE relay_candidates(
    host TEXT PRIMARY KEY NOT NULL,
-    last_tried INTEGER NOT NULL DEFAULT 0 -- Timestamp of the last connection attempt.
+    -- Timestamp of the last connection attempt, 0 if the host was never tried.
+    last_tried INTEGER NOT NULL DEFAULT 0
 ) STRICT;

 CREATE TABLE transports (
@@ -646,7 +683,11 @@ CREATE TABLE imap (
    transport_id INTEGER NOT NULL, -- ID of the transport in the `transports` table.
    rfc724_mid TEXT NOT NULL, -- Message-ID header
    folder TEXT NOT NULL, -- IMAP folder
-    target TEXT NOT NULL, -- Destination folder. Empty string means that the message shall be deleted.
+
+    -- Destination folder. Empty string means that the message shall be deleted.
+    -- Since we don't move messages between IMAP folders anymore,
+    -- this is always either empty or equal to `folder`.
+    target TEXT NOT NULL,
    uid INTEGER NOT NULL, -- UID
    uidvalidity INTEGER NOT NULL,
    UNIQUE (transport_id, folder, uid, uidvalidity)
@@ -693,13 +734,13 @@ CREATE TABLE stats_securejoin_uipaths(
 ) STRICT;
 CREATE TABLE stats_securejoin_invites(
    already_existed INTEGER NOT NULL,
-    already_verified INTEGER NOT NULL,
+    already_verified INTEGER NOT NULL, -- unused, always 0
    type TEXT NOT NULL
 ) STRICT;
 CREATE TABLE stats_msgs(
    chattype INTEGER PRIMARY KEY,
-    verified INTEGER NOT NULL DEFAULT 0,
-    unverified_encrypted INTEGER NOT NULL DEFAULT 0,
+    verified INTEGER NOT NULL DEFAULT 0, -- unused, always 0
+    unverified_encrypted INTEGER NOT NULL DEFAULT 0, -- counts all encrypted messages
    unencrypted INTEGER NOT NULL DEFAULT 0,
    only_to_self INTEGER NOT NULL DEFAULT 0,
    last_counted_msg_id INTEGER NOT NULL DEFAULT 0
@@ -781,3 +822,13 @@ CREATE TABLE sending_domains(
    domain TEXT PRIMARY KEY,
    dkim_works INTEGER DEFAULT 0
 );
+
+-- Replaced with smtp2.
+CREATE TABLE smtp (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  rfc724_mid TEXT NOT NULL,          -- Message-ID
+  mime TEXT NOT NULL,                -- SMTP payload
+  msg_id INTEGER NOT NULL,           -- ID of the message in `msgs` table
+  recipients TEXT NOT NULL,          -- List of recipients separated by space
+  retries INTEGER NOT NULL DEFAULT 0 -- Number of failed attempts to send the message
+);
@@ -47,6 +47,7 @@
            ./deltachat-contact-tools
            ./deltachat-ffi
            ./deltachat-jsonrpc
+            ./deltachat-jsonrpc-bindings
            ./deltachat-ratelimit
            ./deltachat-repl
            ./deltachat-rpc-client
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"

 [project]
 name = "deltachat"
-version = "2.60.0-dev"
+version = "2.63.0-dev"
 license = "MPL-2.0"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"
@@ -71,17 +71,6 @@ class Contact:
        """Unblock this contact. Messages from this contact will be retrieved (again)."""
        return lib.dc_block_contact(self.account._dc_context, self.id, False)

-    def is_verified(self) -> bool:
-        """Return True if the contact is verified."""
-        return lib.dc_contact_is_verified(self._dc_contact) == 2
-
-    def get_verifier(self, contact) -> Optional["Contact"]:
-        """Return the address of the contact that verified the contact."""
-        verifier_id = lib.dc_contact_get_verifier_id(contact._dc_contact)
-        if verifier_id == 0:
-            return None
-        return Contact(self.account, verifier_id)
-
    def get_profile_image(self) -> Optional[str]:
        """Get contact profile image.

@@ -104,11 +104,11 @@ class DirectImap:

    def get_all_messages(self) -> List[MailMessage]:
        assert not self._idling
-        return list(self.conn.fetch())
+        return list(self.conn.fetch(mark_seen=False))

    def get_unread_messages(self) -> List[str]:
        assert not self._idling
-        return [msg.uid for msg in self.conn.fetch(AND(seen=False))]
+        return [msg.uid for msg in self.conn.fetch(AND(seen=False), mark_seen=False)]

    def mark_all_read(self):
        messages = self.get_unread_messages()
@@ -183,7 +183,7 @@ class DirectImap:
        self.conn.append(bytes(msg, encoding="ascii"), folder)

    def get_uid_by_message_id(self, message_id) -> str:
-        msgs = [msg.uid for msg in self.conn.fetch(AND(header=Header("MESSAGE-ID", message_id)))]
+        msgs = [msg.uid for msg in self.conn.fetch(AND(header=Header("MESSAGE-ID", message_id)), mark_seen=False)]
        if len(msgs) == 0:
            raise Exception("Did not find message " + message_id + ", maybe you forgot to select the correct folder?")
        return msgs[0]
@@ -193,9 +193,6 @@ class IdleManager:
    def __init__(self, direct_imap) -> None:
        self.direct_imap = direct_imap
        self.log = direct_imap.account.log
-        # fetch latest messages before starting idle so that it only
-        # returns messages that arrive anew
-        self.direct_imap.conn.fetch("1:*")
        self.direct_imap.conn.idle.start()

    def check(self, timeout=None) -> List[bytes]:
@@ -11,6 +11,9 @@ import random
 from queue import Queue
 from typing import Callable, Dict, List, Optional

+from .capi import lib
+from .cutil import as_dc_charpointer
+
 import pytest
 from _pytest._code import Source

@@ -366,6 +369,7 @@ class ACFactory:
            ac.open(passphrase)
        acname = ac._logid
        addr = f"{acname}@offline.org"
+        lib.dc_add_pseudo_transport(ac._dc_context, as_dc_charpointer(addr))
        ac.update_config(
            {
                "configured_addr": addr,
@@ -374,6 +378,7 @@ class ACFactory:
        )
        self._preconfigure_key(ac)
        self._acsetup.init_logging(ac)
+        assert ac.is_configured(), "Pseudo configured account should look like if it is configured"
        return ac

    def new_online_configuring_account(self, cloned_from=None, **kwargs) -> Account:
@@ -1,7 +1,5 @@
 import time

-import deltachat as dc
-

 class TestGroupStressTests:
    def test_group_many_members_add_leave_remove(self, acfactory, lp):
@@ -63,9 +61,9 @@ class TestGroupStressTests:
        assert msg.is_encrypted()


-def test_qr_verified_group_and_chatting(acfactory, lp):
+def test_qr_group_join_and_chatting(acfactory, lp):
    ac1, ac2, ac3 = acfactory.get_online_accounts(3)
-    lp.sec("ac1: create verified-group QR, ac2 scans and joins")
+    lp.sec("ac1: create group QR, ac2 scans and joins")
    chat1 = ac1.create_group_chat("hello")
    qr = chat1.get_join_qr()
    lp.sec("ac2: start QR-code based join-group protocol")
@@ -86,15 +84,11 @@ def test_qr_verified_group_and_chatting(acfactory, lp):
    msg_out = chat1.send_text("hello")
    assert msg_out.is_encrypted()

-    lp.sec("ac2: read message and check that it's a verified chat")
+    lp.sec("ac2: read message and check that it is encrypted")
    msg = ac2._evtracker.wait_next_incoming_message()
    assert msg.text == "hello"
    assert msg.is_encrypted()

-    lp.sec("ac2: Check that ac2 verified ac1")
-    ac2_ac1_contact = ac2.get_contacts()[0]
-    assert ac2.get_self_contact().get_verifier(ac2_ac1_contact).id == dc.const.DC_CONTACT_ID_SELF
-
    lp.sec("ac2: send message and let ac1 read it")
    chat2.send_text("world")
    msg = ac1._evtracker.wait_next_incoming_message()
@@ -109,23 +103,13 @@ def test_qr_verified_group_and_chatting(acfactory, lp):
    assert ch.id >= 10
    ac1._evtracker.wait_securejoin_inviter_progress(1000)

-    lp.sec("ac1: add ac3 to verified group")
+    lp.sec("ac1: add ac3 to the group")
    chat1.add_contact(ac3)
    msg = ac2._evtracker.wait_next_incoming_message()
    assert msg.is_encrypted()
    assert msg.is_system_message()
    assert not msg.error

-    lp.sec("ac2: Check that ac1 verified ac3 for ac2")
-    ac2_ac1_contact = ac2.get_contacts()[0]
-    assert ac2.get_self_contact().get_verifier(ac2_ac1_contact).id == dc.const.DC_CONTACT_ID_SELF
-    for ac2_contact in chat2.get_contacts():
-        if ac2_contact == ac2_ac1_contact or ac2_contact.id == dc.const.DC_CONTACT_ID_SELF:
-            continue
-        # Until we reset verifications and then send the _verified header,
-        # verification is not gossiped here:
-        assert ac2.get_self_contact().get_verifier(ac2_contact) is None
-
    lp.sec("ac2: send message and let ac3 read it")
    chat2.send_text("hi")
    # System message about the added member.
@@ -195,10 +179,10 @@ def test_ephemeral_timer(acfactory, lp):
    assert chat1.get_ephemeral_timer() == 0


-def test_see_new_verified_member_after_going_online(acfactory, tmp_path, lp):
+def test_see_new_member_after_going_online(acfactory, tmp_path, lp):
    """The test for the bug #3836:
    - Alice has two devices, the second is offline.
-    - Alice creates a verified group and sends a QR invitation to Bob.
+    - Alice creates a group and sends a QR invitation to Bob.
    - Bob joins the group and sends a message there. Alice sees it.
    - Alice's second devices goes online, but doesn't see Bob in the group.
    """
@@ -215,7 +199,7 @@ def test_see_new_verified_member_after_going_online(acfactory, tmp_path, lp):
    ac1_offl.import_self_keys(str(dir))
    ac1_offl.stop_io()

-    lp.sec("ac1: create verified-group QR, ac2 scans and joins")
+    lp.sec("ac1: create group QR, ac2 scans and joins")
    chat = ac1.create_group_chat("hello")
    qr = chat.get_join_qr()
    lp.sec("ac2: start QR-code based join-group protocol")
@@ -242,12 +226,12 @@ def test_see_new_verified_member_after_going_online(acfactory, tmp_path, lp):
    assert msg_in.get_sender_contact().addr == ac2_addr


-def test_use_new_verified_group_after_going_online(acfactory, data, tmp_path, lp):
+def test_use_new_group_after_going_online(acfactory, data, tmp_path, lp):
    """Another test for the bug #3836:
    - Bob has two devices, the second is offline.
-    - Alice creates a verified group and sends a QR invitation to Bob.
+    - Alice creates a group and sends a QR invitation to Bob.
    - Bob joins the group.
-    - Bob's second devices goes online, but sees a contact request instead of the verified group.
+    - Bob's second devices goes online, but sees a contact request instead of the group.
    - The "member added" message is not a system message but a plain text message.
    - Bob's second device doesn't display the Alice's avatar (bug #5354).
    - Sending a message fails as the key is missing -- message info says "proper enc-key for <Alice>
@@ -269,7 +253,7 @@ def test_use_new_verified_group_after_going_online(acfactory, data, tmp_path, lp
    avatar_path = data.get_path("d.png")
    ac1.set_avatar(avatar_path)

-    lp.sec("ac1: create verified-group QR, ac2 scans and joins")
+    lp.sec("ac1: create group QR, ac2 scans and joins")
    chat = ac1.create_group_chat("hello")
    qr = chat.get_join_qr()
    lp.sec("ac2: start QR-code based join-group protocol")
@@ -796,9 +796,8 @@ def test_send_and_receive_image(acfactory, lp, data):


 def test_qr_email_capitalization(acfactory, lp):
-    """Regression test for a bug
-    that resulted in failure to propagate verification
-    when the database already contained the contact with a different email address capitalization.
+    """Tests joining a group via QR code
+    when the database already contains a contact with a different email address capitalization.
    """

    ac1, ac2, ac3 = acfactory.get_online_accounts(3)
@@ -822,13 +821,7 @@ def test_qr_email_capitalization(acfactory, lp):
    ac2.qr_join_chat(qr)
    ac1._evtracker.wait_next_incoming_message()

-    # ac1 should see both ac3 and ac2 as verified.
    assert len(ac1_chat.get_contacts()) == 3
-    # Until we reset verifications and then send the _verified header,
-    # the verification of ac2 is not gossiped here:
-    for contact in ac1_chat.get_contacts():
-        is_ac2 = contact.addr == ac2.get_config("addr")
-        assert contact.is_verified() != is_ac2


 def test_set_get_contact_avatar(acfactory, data, lp):
@@ -115,7 +115,6 @@ class TestOfflineContact:
        assert contact1.addr == "some1@example.org"
        assert contact1.display_name == "some1"
        assert not contact1.is_blocked()
-        assert not contact1.is_verified()

    def test_get_blocked(self, acfactory):
        ac1 = acfactory.get_pseudo_configured_account()
@@ -133,7 +132,7 @@ class TestOfflineContact:

    def test_create_self_contact(self, acfactory):
        ac1 = acfactory.get_pseudo_configured_account()
-        contact1 = ac1.create_contact(ac1.get_config("addr"))
+        contact1 = ac1.create_contact(ac1.get_config("configured_addr"))
        assert contact1.id == 1

    def test_get_contacts_and_delete(self, acfactory):
@@ -224,7 +223,7 @@ class TestOfflineChat:
        ac2 = acfactory.get_pseudo_configured_account()
        chat = ac1.create_group_chat(name="title1")
        contact = chat.add_contact(ac2)
-        assert contact.addr == ac2.get_config("addr")
+        assert contact.addr == ac2.get_config("configured_addr")
        assert contact.name == ac2.get_config("displayname")
        assert contact.account == ac1
        chat.remove_contact(ac2)
@@ -457,7 +456,7 @@ class TestOfflineChat:
        contacts = ac2.get_contacts()
        assert len(contacts) == 1
        contact2 = contacts[0]
-        assert contact2.addr == ac_contact.get_config("addr")
+        assert contact2.addr == ac_contact.get_config("configured_addr")
        chat2 = contact2.create_chat()
        messages = chat2.get_messages()
        assert len(messages) == 2 + E2EE_INFO_MSGS
@@ -553,7 +552,7 @@ class TestOfflineChat:
        contacts = ac2.get_contacts()
        assert len(contacts) == 1
        contact2 = contacts[0]
-        assert contact2.addr == ac_contact.get_config("addr")
+        assert contact2.addr == ac_contact.get_config("configured_addr")
        chat2 = contact2.create_chat()
        messages = chat2.get_messages()
        assert len(messages) == 2 + E2EE_INFO_MSGS
@@ -605,7 +604,7 @@ class TestOfflineChat:
        contacts = ac2.get_contacts()
        assert len(contacts) == 1
        contact2 = contacts[0]
-        assert contact2.addr == ac_contact.get_config("addr")
+        assert contact2.addr == ac_contact.get_config("configured_addr")
        chat2 = contact2.create_chat()
        messages = chat2.get_messages()
        assert len(messages) == 2 + E2EE_INFO_MSGS
@@ -622,7 +621,7 @@ class TestOfflineChat:
        contacts = ac2.get_contacts()
        assert len(contacts) == 1
        contact2 = contacts[0]
-        assert contact2.addr == ac_contact.get_config("addr")
+        assert contact2.addr == ac_contact.get_config("configured_addr")
        chat2 = contact2.create_chat()
        messages = chat2.get_messages()
        assert len(messages) == 2 + E2EE_INFO_MSGS
@@ -1 +1 @@
-2026-08-14
+2026-09-22
@@ -67,13 +67,14 @@ def main():
    parser.add_argument("newversion")

    json_list = [
-        "deltachat-jsonrpc/typescript/package.json",
+        "deltachat-jsonrpc-bindings/typescript/package.json",
        "deltachat-rpc-server/npm-package/package.json",
    ]
    toml_list = [
        "Cargo.toml",
        "deltachat-ffi/Cargo.toml",
        "deltachat-jsonrpc/Cargo.toml",
+        "deltachat-jsonrpc-bindings/Cargo.toml",
        "deltachat-rpc-server/Cargo.toml",
        "deltachat-repl/Cargo.toml",
        "python/pyproject.toml",
@@ -596,24 +596,6 @@ and e.g. simply search for the line starting with `EMAIL`
 in order to get the email address.


-# Verifications
-
-Keys obtained using [SecureJoin](https://securejoin.readthedocs.io) protocol
-and corresponding contacts
-are considered "verified".
-
-As an extension to `Autocrypt-Gossip` header,
-chatmail clients can add `_verified=1` attribute
-(underscore marks the attribute as non-critical)
-to indicate that they have the gossiped key
-and the corresponding contact marked as verified.
-
-When receiving such `Autocrypt-Gossip` header
-in a message signed by a verified key,
-chatmail clients mark the gossiped key
-as indirectly verified.
-
-
 # Miscellaneous

 Messengers SHOULD use the header `In-Reply-To` as usual.
@@ -26,6 +26,7 @@ use crate::events::{Event, EventEmitter, EventType, Events};
 use crate::location;
 use crate::log::warn;
 use crate::push::PushSubscriber;
+use crate::smtp;
 use crate::stock_str::StockStrings;

 /// Account manager, that can handle multiple accounts in a single place.
@@ -168,9 +169,7 @@ impl Accounts {
            .with_push_subscriber(self.push_subscriber.clone())
            .build()
            .await?;
-        // Try to open without a passphrase,
-        // but do not return an error if account is passphare-protected.
-        ctx.open("".to_string()).await?;
+        ctx.open().await?;

        self.accounts.insert(account_config.id, ctx);
        self.emit_event(EventType::AccountsChanged);
@@ -442,7 +441,12 @@ impl Accounts {
        interrupt_receiver: Option<Receiver<()>>,
    ) {
        let Some(interrupt_receiver) = interrupt_receiver else {
-            // Nothing to do if we got no interrupt receiver.
+            // Another background fetch is already running.
+            // Emit the event anyway so that a caller waiting for it does not hang.
+            events.emit(Event {
+                id: 0,
+                typ: EventType::AccountsBackgroundFetchDone,
+            });
            return;
        };
        if let Err(_err) = tokio::time::timeout(
@@ -476,9 +480,15 @@ impl Accounts {
    /// return immediately even before the timeout expiration
    /// or finishing fetching.
    ///
+    /// Pending outgoing messages are not waited for and not triggered.
+    ///
    /// The `AccountsBackgroundFetchDone` event is emitted at the end,
    /// process all events until you get this one and you can safely return to the background
    /// without forgetting to create notifications caused by timing race conditions.
+    /// If another background fetch is already running,
+    /// nothing is fetched and the event is emitted immediately.
+    /// The event carries no data identifying the call it belongs to,
+    /// so it only safely refers to your call if no concurrent background fetch is happening.
    ///
    /// Returns a future that resolves when background fetch is done,
    /// but does not capture `&self`.
@@ -509,6 +519,20 @@ impl Accounts {
        )
    }

+    /// Returns true if there are no pending messages for sending.
+    ///
+    /// This is intended to be used by UIs to request not moving the app to background
+    /// when there are messages left in the queue.
+    pub async fn is_sending_finished(&self) -> Result<bool> {
+        let accounts: Vec<Context> = self.accounts.values().cloned().collect();
+        for account in accounts {
+            if !smtp::queue::is_empty(&account).await? {
+                return Ok(false);
+            }
+        }
+        Ok(true)
+    }
+
    /// Interrupts ongoing background_fetch() call,
    /// making it return early.
    ///
@@ -795,9 +819,7 @@ impl Config {
                .build()
                .await
                .with_context(|| format!("failed to create context from file {dbfile:?}"))?;
-            // Try to open without a passphrase,
-            // but do not return an error if account is passphare-protected.
-            ctx.open("".to_string()).await?;
+            ctx.open().await?;

            accounts.insert(account_config.id, ctx);
        }
@@ -1225,50 +1247,27 @@ mod tests {
    }

    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-    async fn test_encrypted_account() -> Result<()> {
-        let dir = tempfile::tempdir().context("failed to create tempdir")?;
-        let p: PathBuf = dir.path().join("accounts");
-
+    async fn test_background_fetch_emits_done_when_already_running() -> Result<()> {
+        let dir = tempfile::tempdir()?;
        let writable = true;
-        let mut accounts = Accounts::new(p.clone(), writable)
-            .await
-            .context("failed to create accounts manager")?;
+        let accounts = Accounts::new(dir.path().join("accounts"), writable).await?;
+        let event_emitter = accounts.get_event_emitter();

-        assert_eq!(accounts.accounts.len(), 0);
-        let account_id = accounts
-            .add_closed_account()
-            .await
-            .context("failed to add closed account")?;
-        let account = accounts
-            .get_selected_account()
-            .context("failed to get account")?;
-        assert_eq!(account.id, account_id);
-        let passphrase_set_success = account
-            .open("foobar".to_string())
-            .await
-            .context("failed to set passphrase")?;
-        assert!(passphrase_set_success);
-        drop(accounts);
+        let timeout = std::time::Duration::from_secs(3);
+        let first = accounts.background_fetch(timeout);
+        let second = accounts.background_fetch(timeout);
+        tokio::join!(first, second);

-        let writable = false;
-        let accounts = Accounts::new(p.clone(), writable)
-            .await
-            .context("failed to create second accounts manager")?;
-        let account = accounts
-            .get_selected_account()
-            .context("failed to get account")?;
-        assert_eq!(account.is_open().await, false);
-
-        // Try wrong passphrase.
-        assert_eq!(account.open("barfoo".to_string()).await?, false);
-        assert_eq!(account.open("".to_string()).await?, false);
-
-        assert_eq!(account.open("foobar".to_string()).await?, true);
-        assert_eq!(account.is_open().await, true);
+        let mut done = 0;
+        while let Ok(event) = event_emitter.try_recv() {
+            if matches!(event.typ, EventType::AccountsBackgroundFetchDone) {
+                done += 1;
+            }
+        }
+        assert_eq!(done, 2);

        Ok(())
    }
-
    /// Tests that accounts share stock string translations.
    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
    async fn test_accounts_share_translations() -> Result<()> {
@@ -43,13 +43,6 @@ pub struct Aheader {
    pub addr: String,
    pub public_key: SignedPublicKey,
    pub prefer_encrypt: EncryptPreference,
-
-    /// Whether `_verified` attribute is present.
-    ///
-    /// `_verified` attribute is an extension to `Autocrypt-Gossip`
-    /// header that is used to tell that the sender
-    /// marked this key as verified.
-    pub verified: bool,
 }

 impl fmt::Display for Aheader {
@@ -58,12 +51,6 @@ impl fmt::Display for Aheader {
        if self.prefer_encrypt == EncryptPreference::Mutual {
            write!(fmt, " prefer-encrypt=mutual;")?;
        }
-        // TODO After we reset all existing verifications,
-        // we want to start sending the _verified attribute
-        // if self.verified {
-        //     write!(fmt, " _verified=1;")?;
-        // }
-
        // adds a whitespace every 78 characters, this allows
        // email crate to wrap the lines according to RFC 5322
        // (which may insert a linebreak before every whitespace)
@@ -114,8 +101,6 @@ impl Aheader {
            .and_then(|raw| EncryptPreference::new(&raw).ok())
            .unwrap_or_default();

-        let verified = attributes.remove("_verified").is_some();
-
        // Autocrypt-Level0: unknown attributes starting with an underscore can be safely ignored
        // Autocrypt-Level0: unknown attribute, treat the header as invalid
        if attributes.keys().any(|k| !k.starts_with('_')) {
@@ -126,7 +111,6 @@ impl Aheader {
            addr,
            public_key,
            prefer_encrypt,
-            verified,
        })
    }
 }
@@ -145,7 +129,6 @@ mod tests {

        assert_eq!(h.addr, "me@mail.com");
        assert_eq!(h.prefer_encrypt, EncryptPreference::Mutual);
-        assert_eq!(h.verified, false);
        Ok(())
    }

@@ -243,7 +226,6 @@ mod tests {
                    addr: "test@example.com".to_string(),
                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
                    prefer_encrypt: EncryptPreference::Mutual,
-                    verified: false
                }
            )
            .contains("prefer-encrypt=mutual;")
@@ -259,7 +241,6 @@ mod tests {
                    addr: "test@example.com".to_string(),
                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
                    prefer_encrypt: EncryptPreference::NoPreference,
-                    verified: false
                }
            )
            .contains("prefer-encrypt")
@@ -273,24 +254,9 @@ mod tests {
                    addr: "TeSt@eXaMpLe.cOm".to_string(),
                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
                    prefer_encrypt: EncryptPreference::Mutual,
-                    verified: false
                }
            )
            .contains("test@example.com")
        );
-
-        // We don't send the _verified header yet:
-        assert!(
-            !format!(
-                "{}",
-                Aheader {
-                    addr: "test@example.com".to_string(),
-                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
-                    prefer_encrypt: EncryptPreference::NoPreference,
-                    verified: true
-                }
-            )
-            .contains("_verified")
-        );
    }
 }
@@ -388,4 +388,40 @@ mod tests {

        Ok(())
    }
+
+    // some systems may not get the update URL from the relays, but use a specific one.
+    // this is esp. useful when the app binary is not signed.
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn test_get_app_versions_no_url() -> Result<()> {
+        let dir = tempfile::tempdir().unwrap();
+        let p: PathBuf = dir.path().join("accounts");
+        let writable = true;
+        let mut accounts = Accounts::new(p.clone(), writable).await.unwrap();
+
+        let account_id1 = accounts.add_account().await?;
+        let json = r##"{
+            "clients": [
+              {
+                "clientId": "deltawin",
+                "sources": [
+                  {
+                    "sourceId": "windows-3.11",
+                    "versionInteger": 300,
+                    "versionString": "3.00.000"
+                  }
+                ]
+              }
+            ]
+          }"##;
+        mockup_app_versions(&accounts, account_id1, 1, json).await;
+
+        let version = get_app_version(&accounts, "deltawin", "windows-3.11")
+            .await?
+            .unwrap();
+        assert_eq!(version.version_integer, 300);
+        assert_eq!(version.version_string, "3.00.000");
+        assert_eq!(version.download_url, ""); // no url given results in default empty string
+
+        Ok(())
+    }
 }
@@ -1,29 +1,24 @@
-//! # Automatic relay handling (experimental, still in development)
+//! # Automatic multi-relay onboarding
 //!
-//! Chatmail relays create an account on first login,
-//! so a profile can add further transports on its own without user interaction.
-//! Candidate hosts come from the `relay_candidates` table,
-//! which migrations seed with a list of known chatmail relays.
-//!
-//! Status of implementation:
-//! Additions are attempted right before going into IMAP IDLE,
-//! i.e. only while connected and with nothing more important to do,
-//! and only if a UI opted in via [`Config::Autorelay`].
-//! Once a profile has reached `NUM_TRANSPORTS_TARGET` transports,
-//! [`Config::AutorelayFinished`] is set and nothing is ever added again,
-//! so deleting a transport later does not pull in a replacement.
+//! Support for automatically onboarding a profile on transport
+//! candidates without the user choosing a relay.

+use std::collections::BTreeMap;
 use std::pin::Pin;

-use anyhow::Result;
+use anyhow::{Result, format_err};
 use deltachat_contact_tools::addr_normalize;
 use rand::distr::{Alphanumeric, SampleString};
-use rand::seq::IndexedRandom;
+use rand::seq::{IndexedRandom, SliceRandom};
+use rusqlite::Transaction;
+use tokio::task::JoinSet;

 use crate::config::{self, Config};
+use crate::configure::{EnteredLoginParam, SILENT_PROGRESS, configure};
 use crate::log::{LogExt, warn};
 use crate::login_param::{EnteredCertificateChecks, EnteredImapLoginParam};
-use crate::{configure::EnteredLoginParam, context::Context, tools::time};
+use crate::net::{connect_tcp, proxy::ProxyConfig};
+use crate::{context::Context, tools::time};

 /// The target number of transports.
 const NUM_TRANSPORTS_TARGET: usize = 3;
@@ -32,6 +27,87 @@ const AUTOMATIC_ADDITION_DEBOUNCE_SECONDS: i64 = 60 * 60; // one hour
 /// How long we ignore a relay candidate after failing to connect to it:
 const BACKOFF_PERIOD_FOR_NOT_WORKING_RELAY: i64 = 60 * 60 * 24 * 7; // one week

+/// Sorted relay list a profile can attempt to onboard on without the user choosing one.
+const DEFAULT_RELAY_CANDIDATES: &[&str] = &[
+    "chat.adminforge.de", // iroh relay 404s
+    "chat.me.ke",
+    "chat.nuvon.app",
+    "chat.tinydispatch.org",
+    "chat.vim.wtf",
+    "chatmail.uk",
+    "chtml.ca",
+    "deltachat.me",
+    "e2e.sus.fr",
+    "e2ee.wang",
+    "mailchat.pl",
+    "nchrcht.la10cy.net",
+    "nine.testrun.org",
+    "sweetfern.net",
+    "tarpit.fun",
+];
+
+/// Records the hosts of `addrs` as relay candidates.
+pub(crate) async fn add_relay_candidates(context: &Context, addrs: &[String]) -> Result<()> {
+    context
+        .sql
+        .transaction(|tx| hosts_of(addrs).try_for_each(|host| save_relay_candidate(tx, host, 0)))
+        .await
+}
+
+/// Adds a first transport on the relay candidate that answers fastest.
+///
+/// All candidates are probed at once with a TCP connection to their HTTPS port
+/// and configured in the order in which the connections complete,
+/// stopping at the first success. Candidates that fail the probe are skipped.
+/// Answering TCP fastest is used as a network proximity measure,
+/// which keeps latency low for initial onboarding,
+/// and it avoids relays that are down or black-holing traffic.
+pub(crate) async fn add_transport_from_candidates(
+    context: &Context,
+    skip_network: bool,
+) -> Result<()> {
+    let mut candidates = triable_relay_candidates(context, time()).await?;
+    candidates.shuffle(&mut rand::rng());
+    let mut probes = JoinSet::new();
+    let proxy_config = ProxyConfig::load(context).await?;
+    let load_cache = false;
+    for host in candidates {
+        let ctx = context.clone();
+        let proxy_config = proxy_config.clone();
+        probes.spawn(async move {
+            let res = match proxy_config {
+                _ if skip_network => Ok(()),
+                Some(proxy) => proxy.connect(&ctx, &host, 443, load_cache).await.map(drop),
+                None => connect_tcp(&ctx, &host, 443, load_cache).await.map(drop),
+            };
+            (host, res)
+        });
+    }
+
+    let mut last_err = format_err!("No relay candidates");
+    let mark_as_autorelay = true;
+    while let Some(res) = probes.join_next().await {
+        let (host, res) = res?;
+        if let Err(err) = res {
+            warn!(context, "Failed to connect to relay {host}: {err:#}.");
+            last_err = err;
+            continue;
+        }
+        let param = login_param_from_host(&host, mark_as_autorelay);
+        match configure(context, &param, skip_network).await {
+            Ok(()) => {
+                info!(context, "Added a transport on relay {host}.");
+                return Ok(());
+            }
+            Err(err) => {
+                warn!(context, "Failed to add relay {host}: {err:#}.");
+                last_err = err;
+            }
+        }
+    }
+    Err(last_err)
+}
+
 pub(crate) fn maybe_add_additional_relays(
    context: Context,
 ) -> Pin<Box<dyn Future<Output = ()> + Send>> {
@@ -93,10 +169,7 @@ async fn maybe_add_additional_relays_inner(context: &Context, skip_network: bool
            return Ok(relay_added);
        }

-        // First, query all candidates that were not tried since `BACKOFF_PERIOD_FOR_NOT_WORKING_RELAY` seconds.
-        // Hosts that are already used are excluded.
-        let candidates = load_relay_candidates(context, now).await?;
-
+        let candidates = triable_relay_candidates(context, now).await?;
        let Some(host) = candidates.choose(&mut rand::rng()) else {
            info!(
                context,
@@ -113,13 +186,13 @@ async fn maybe_add_additional_relays_inner(context: &Context, skip_network: bool

        context
            .sql
-            .execute(
-                "UPDATE relay_candidates SET last_tried=? WHERE host=?",
-                (now, host),
-            )
+            .transaction(|tx| save_relay_candidate(tx, host, now))
            .await?;
-        let param = login_param_from_host(host);
-        let res = crate::configure::configure(context, &param, skip_network).await;
+        let mark_as_autorelay = true;
+        let param = login_param_from_host(host, mark_as_autorelay);
+        let res = SILENT_PROGRESS
+            .scope((), configure(context, &param, skip_network))
+            .await;
        if let Err(e) = res {
            warn!(
                context,
@@ -134,37 +207,63 @@ async fn maybe_add_additional_relays_inner(context: &Context, skip_network: bool
    Ok(relay_added)
 }

-async fn load_relay_candidates(context: &Context, now: i64) -> Result<Vec<String>, anyhow::Error> {
+async fn triable_relay_candidates(context: &Context, now: i64) -> Result<Vec<String>> {
    let cutoff_timestamp = now.saturating_sub(BACKOFF_PERIOD_FOR_NOT_WORKING_RELAY);
-    let candidates: Vec<String> = context
+    let mut last_tried: BTreeMap<String, i64> = context
        .sql
-        .query_map_vec(
-            // This also selects candidates which have last_tried in the future,
-            // essentially treating them as never tried,
-            // so if some timestamp far in the future is accidentally stored,
-            // we are not stuck never trying the candidate.
-            // After trying the candidate, last_tried will be corrected to the current time.
-            "SELECT host FROM relay_candidates WHERE (last_tried<? OR last_tried>?)
-                AND NOT EXISTS (
-                    SELECT 1
-                    FROM transports
-                    WHERE substr(addr, instr(addr, '@') + 1) = host
-                )",
-            (cutoff_timestamp, now),
-            |row| Ok(row.get::<_, String>(0)?),
-        )
+        .query_map_collect("SELECT host, last_tried FROM relay_candidates", (), |row| {
+            Ok((row.get(0)?, row.get(1)?))
+        })
        .await?;
+    for host in DEFAULT_RELAY_CANDIDATES {
+        last_tried.entry(host.to_string()).or_insert(0);
+    }
+    let self_addrs = context.get_self_addrs().await?;
+    let used_hosts: Vec<&str> = hosts_of(&self_addrs).collect();
+
+    // We also try candidates which have `last_tried` in the future,
+    // which on next failure get `last_tried` reset to the current time.
+    let candidates = last_tried
+        .into_iter()
+        .filter(|(host, last_tried)| {
+            (*last_tried < cutoff_timestamp || *last_tried > now)
+                && !used_hosts.contains(&host.as_str())
+        })
+        .map(|(host, _)| host)
+        .collect();

    Ok(candidates)
 }

-pub(crate) fn login_param_from_host(host: &str) -> EnteredLoginParam {
+/// Returns the host of each address in `addrs`.
+fn hosts_of(addrs: &[String]) -> impl Iterator<Item = &str> {
+    addrs.iter().filter_map(|a| Some(a.rsplit_once('@')?.1))
+}
+
+/// Records `host` as a relay candidate, overwriting a stored `last_tried`.
+fn save_relay_candidate(tx: &Transaction, host: &str, last_tried: i64) -> Result<()> {
+    tx.execute(
+        "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)
+        ON CONFLICT(host) DO UPDATE SET last_tried=excluded.last_tried",
+        (host, last_tried),
+    )?;
+    Ok(())
+}
+
+pub(crate) fn login_param_from_host(host: &str, mark_as_autorelay: bool) -> EnteredLoginParam {
    let rng = &mut rand::rng();
    let username = Alphanumeric.sample_string(rng, 9);
    let addr = username + "@" + host;
    let addr = addr_normalize(&addr);
+
+    // `mark_as_autorelay` is a temporary precaution hack
+    // while introducing onboarding on multiple community relays from a list:
+    // though relay operators were asked to get on that list, unexpected things can happen,
+    // and they want to return to allow only manual onboarding.
+    // this is possible by failing on `password_len == 23`.
+
    // 22 * log2(26 * 2 + 10) = 130 bits of entropy
-    let password = Alphanumeric.sample_string(rng, 22);
+    let password = Alphanumeric.sample_string(rng, if mark_as_autorelay { 23 } else { 22 });

    EnteredLoginParam {
        addr,
@@ -1,42 +1,150 @@
 use std::time::Duration;

 use super::*;
-use crate::test_utils::TestContext;
+use crate::EventType;
+use crate::test_utils::{TestContext, TestContextManager};
 use crate::tools::SystemTime;

+/// Tests that the default relays are candidates without a row in the table.
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_load_relay_candidates_single() -> Result<()> {
+async fn test_triable_relay_candidates_defaults() -> Result<()> {
+    let mut tcm = TestContextManager::new();
+    let t = &tcm.unconfigured().await;
+    let now = time();
+
+    assert!(DEFAULT_RELAY_CANDIDATES.is_sorted());
+    let mut candidates = triable_relay_candidates(t, now).await?;
+    candidates.sort();
+    assert_eq!(candidates, DEFAULT_RELAY_CANDIDATES);
+
+    let tried = DEFAULT_RELAY_CANDIDATES[0];
+    save_relay_candidates(t, &[tried], now).await?;
+    let candidates = triable_relay_candidates(t, now).await?;
+    assert_eq!(candidates.len(), DEFAULT_RELAY_CANDIDATES.len() - 1);
+    assert!(!candidates.contains(&tried.to_string()));
+
+    Ok(())
+}
+
+/// Tests that a transport is added on a candidate from the given addresses.
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_add_transport_from_candidates() -> Result<()> {
+    let mut tcm = TestContextManager::new();
+    let t = &tcm.unconfigured().await;
+    mark_defaults_tried(t, time()).await?;
+    let addrs_from_qr = [
+        "alice@example.org".to_string(),
+        "bob@example.org".to_string(),
+    ];
+    let skip_network = true;
+    add_relay_candidates(t, &addrs_from_qr).await?;
+    add_transport_from_candidates(t, skip_network).await?;
+
+    let transports = t.list_transports().await?;
+    assert_eq!(transports.len(), 1);
+    assert!(transports[0].addr.ends_with("@example.org"));
+    let untried = untried_relay_candidates(t).await?;
+    assert_eq!(untried, ["example.org"]);
+    assert!(configure_progress_emitted(t).await);
+
+    Ok(())
+}
+
+/// Tests correct add_transport_from_candidates error handling.
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_add_transport_from_candidates_failure() -> Result<()> {
+    let mut tcm = TestContextManager::new();
+    let t = &tcm.unconfigured().await;
+    mark_defaults_tried(t, time()).await?;
+    save_relay_candidates(t, &["bad host", "worse host"], 0).await?;
+
+    let skip_network = true;
+    let err = add_transport_from_candidates(t, skip_network)
+        .await
+        .unwrap_err();
+    assert!(format!("{err:#}").contains("Bad email-address"));
+    assert!(!t.is_configured().await?);
+    let untried = untried_relay_candidates(t).await?;
+    assert_eq!(untried, ["bad host", "worse host"]);
+    t.assert_warns_or_errors(&[
+        "Failed to add relay bad host",
+        "Failed to add relay worse host",
+    ])
+    .await;
+
+    Ok(())
+}
+
+async fn untried_relay_candidates(t: &TestContext) -> Result<Vec<String>> {
+    t.sql
+        .query_map_vec(
+            "SELECT host FROM relay_candidates WHERE last_tried=0 ORDER BY host",
+            (),
+            |row| Ok(row.get(0)?),
+        )
+        .await
+}
+
+async fn save_relay_candidates(t: &TestContext, hosts: &[&str], last_tried: i64) -> Result<()> {
+    t.sql
+        .transaction(|tx| {
+            for host in hosts {
+                save_relay_candidate(tx, host, last_tried)?;
+            }
+            Ok(())
+        })
+        .await
+}
+
+/// Keeps the default relays out of `triable_relay_candidates()`.
+async fn mark_defaults_tried(t: &TestContext, now: i64) -> Result<()> {
+    save_relay_candidates(t, DEFAULT_RELAY_CANDIDATES, now).await
+}
+
+/// Consumes emitted events, telling whether a configure progress is among them.
+async fn configure_progress_emitted(t: &TestContext) -> bool {
+    t.evtracker
+        .get_matching_opt(t, |evt| matches!(evt, EventType::ConfigureProgress { .. }))
+        .await
+        .is_some()
+}
+
+/// Tests that saving a candidate overwrites its stored timestamp.
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_save_relay_candidate() -> Result<()> {
+    let mut tcm = TestContextManager::new();
+    let t = &tcm.unconfigured().await;
+    let now = time();
+
+    for last_tried in [0, now, 0] {
+        t.sql
+            .transaction(|tx| save_relay_candidate(tx, "relay.example", last_tried))
+            .await?;
+        let stored: Option<i64> = t
+            .sql
+            .query_get_value(
+                "SELECT last_tried FROM relay_candidates WHERE host=?",
+                ("relay.example",),
+            )
+            .await?;
+        assert_eq!(stored, Some(last_tried));
+    }
+
+    Ok(())
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_triable_relay_candidates_single() -> Result<()> {
    let t = &TestContext::new_alice().await;
    enable_config(t).await;
    let now = time();

-    t.sql.execute("DELETE FROM relay_candidates", ()).await?;
+    mark_defaults_tried(t, now).await?;

-    // This host should be returned by load_relay_candidates():
-    t.sql
-        .execute(
-            "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)",
-            ("never_tried.example", 0),
-        )
-        .await?;
+    save_relay_candidates(t, &["never_tried.example", "example.org"], 0).await?;
+    save_relay_candidates(t, &["recent.example"], now).await?;

-    // This host was recently tried and should not be returned:
-    t.sql
-        .execute(
-            "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)",
-            ("recent.example", now),
-        )
-        .await?;
-
-    // This host is already in use (alice@example.org) and should not be returned:
-    t.sql
-        .execute(
-            "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)",
-            ("example.org", 0),
-        )
-        .await?;
-
-    let candidates = load_relay_candidates(t, now).await?;
+    let candidates = triable_relay_candidates(t, now).await?;

    assert_eq!(candidates, vec!["never_tried.example".to_string()]);

@@ -44,22 +152,15 @@ async fn test_load_relay_candidates_single() -> Result<()> {
 }

 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_load_relay_candidates_multiple() -> Result<()> {
+async fn test_triable_relay_candidates_multiple() -> Result<()> {
    let t = &TestContext::new().await;
    enable_config(t).await;
    let now = time();

-    t.sql.execute("DELETE FROM relay_candidates", ()).await?;
-    for host in ["a.example", "b.example", "c.example"] {
-        t.sql
-            .execute(
-                "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)",
-                (host, 0),
-            )
-            .await?;
-    }
+    mark_defaults_tried(t, now).await?;
+    save_relay_candidates(t, &["a.example", "b.example", "c.example"], 0).await?;

-    let mut candidates = load_relay_candidates(t, now).await?;
+    let mut candidates = triable_relay_candidates(t, now).await?;
    candidates.sort();

    assert_eq!(
@@ -160,13 +261,8 @@ async fn test_maybe_add_additional_relays_add_one() -> Result<()> {
    enable_config(t).await;
    let now = time();

-    t.sql.execute("DELETE FROM relay_candidates", ()).await?;
-    t.sql
-        .execute(
-            "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)",
-            ("relay.example", 0),
-        )
-        .await?;
+    mark_defaults_tried(t, now).await?;
+    save_relay_candidates(t, &["relay.example"], 0).await?;

    let transports_before = t.count_transports().await?;

@@ -179,6 +275,7 @@ async fn test_maybe_add_additional_relays_add_one() -> Result<()> {

    let transports_after = t.count_transports().await?;
    assert_eq!(transports_after, transports_before + 1);
+    assert!(!configure_progress_emitted(t).await);

    Ok(())
 }
@@ -189,15 +286,8 @@ async fn test_maybe_add_additional_relays_add_multiple() -> Result<()> {
    enable_config(t).await;
    let now = time();

-    t.sql.execute("DELETE FROM relay_candidates", ()).await?;
-    for host in ["a.example", "b.example", "c.example", "d.example"] {
-        t.sql
-            .execute(
-                "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)",
-                (host, 0),
-            )
-            .await?;
-    }
+    mark_defaults_tried(t, now).await?;
+    save_relay_candidates(t, &["a.example", "b.example", "c.example", "d.example"], 0).await?;

    let skip_network = true;
    let relay_added = maybe_add_additional_relays_inner(t, skip_network).await?;
@@ -218,14 +308,9 @@ async fn test_maybe_add_additional_relays_failure() -> Result<()> {
    enable_config(t).await;
    let now = time();

-    t.sql.execute("DELETE FROM relay_candidates", ()).await?;
+    mark_defaults_tried(t, now).await?;
    for i in 1..10 {
-        t.sql
-            .execute(
-                "INSERT INTO relay_candidates (host, last_tried) VALUES (?, ?)",
-                (format!("{i}.invalid.example"), 0),
-            )
-            .await?;
+        save_relay_candidates(t, &[format!("{i}.invalid.example").as_str()], 0).await?;
    }

    let transports_before = t.count_transports().await?;
@@ -254,7 +339,7 @@ async fn test_maybe_add_additional_relays_failure() -> Result<()> {

    // ...but not all, because there might be many relay candidates
    // and we don't want to try all of them in a single call:
-    assert_eq!(load_relay_candidates(t, now).await?.is_empty(), false);
+    assert_eq!(triable_relay_candidates(t, now).await?.is_empty(), false);

    t.assert_warns_or_errors(&[
        "DNS lookup with memory cache failure",
@@ -386,7 +386,7 @@ impl<'a> BlobObject<'a> {
            let exceeds_wh = img.width() > max_wh || img.height() > max_wh;
            let exceeds_max_bytes = nr_bytes > max_bytes as u64;

-            let jpeg_quality = 75;
+            let jpeg_quality = 75; // 70-80 is the sweet spot of quality vs. bytes/pixel. if one wants to spend more bytes in quality, better increase resolution
            let ofmt = match fmt {
                ImageFormat::Png if !exceeds_max_bytes => ImageOutputFormat::Png,
                ImageFormat::Jpeg => {
@@ -508,17 +508,17 @@ async fn test_recode_image_rgba_png_to_jpeg() {

 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_recode_image_huge_jpg() {
-    let bytes = include_bytes!("../../test-data/image/screenshot.jpg");
+    let bytes = include_bytes!("../../test-data/image/screenshot-2560x1440.jpg");
    SendImageCheckMediaquality {
        viewtype: Viewtype::Image,
        media_quality_config: "0",
        bytes,
        extension: "jpg",
        has_exif: true,
-        original_width: 1920,
-        original_height: 1080,
-        compressed_width: 1704,
-        compressed_height: 959,
+        original_width: 2560,
+        original_height: 1440,
+        compressed_width: 2344,
+        compressed_height: 1319,
        ..Default::default()
    }
    .test()
@@ -42,7 +42,7 @@ const RINGING_SECONDS: i64 = 120;
 const CALL_ACCEPTED_TIMESTAMP: Param = Param::Arg;
 const CALL_ENDED_TIMESTAMP: Param = Param::Arg4;

-const STUN_PORT: u16 = 3478;
+const TURN_PORT: u16 = 3478;

 /// Set if incoming call was ended explicitly
 /// by the other side before we accepted it.
@@ -658,12 +658,9 @@ pub(crate) async fn create_ice_servers_from_metadata(
    Ok((expiration_timestamp, ice_servers))
 }

-/// STUN or TURN server with unresolved DNS name.
+/// TURN server with unresolved DNS name.
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
 pub(crate) enum UnresolvedIceServer {
-    /// STUN server.
-    Stun { hostname: String, port: u16 },
-
    /// TURN server with the username and password.
    Turn {
        hostname: String,
@@ -688,28 +685,6 @@ pub(crate) async fn resolve_ice_servers(

    for unresolved_ice_server in unresolved_ice_servers {
        match unresolved_ice_server {
-            UnresolvedIceServer::Stun { hostname, port } => {
-                match lookup_host_with_cache(context, &hostname, port, "", load_cache).await {
-                    Ok(addrs) => {
-                        let urls: Vec<String> = addrs
-                            .into_iter()
-                            .map(|addr| format!("stun:{addr}"))
-                            .collect();
-                        let stun_server = IceServer {
-                            urls,
-                            username: None,
-                            credential: None,
-                        };
-                        result.push(stun_server);
-                    }
-                    Err(err) => {
-                        warn!(
-                            context,
-                            "Failed to resolve STUN {hostname}:{port}: {err:#}."
-                        );
-                    }
-                }
-            }
            UnresolvedIceServer::Turn {
                hostname,
                port,
@@ -742,25 +717,17 @@ pub(crate) async fn resolve_ice_servers(

 /// Creates JSON with ICE servers when no TURN servers are known.
 pub(crate) fn create_fallback_ice_servers() -> Vec<UnresolvedIceServer> {
-    // Do not use public STUN server from https://stunprotocol.org/.
-    // It changes the hostname every year
-    // (e.g. stunserver2025.stunprotocol.org
-    // which was previously stunserver2024.stunprotocol.org)
-    // because of bandwidth costs:
-    // <https://github.com/jselbie/stunserver/issues/50>
-
-    vec![
-        UnresolvedIceServer::Stun {
-            hostname: "nine.testrun.org".to_string(),
-            port: STUN_PORT,
-        },
-        UnresolvedIceServer::Turn {
-            hostname: "turn.delta.chat".to_string(),
-            port: STUN_PORT,
-            username: "public".to_string(),
-            credential: "o4tR7yG4rG2slhXqRUf9zgmHz".to_string(),
-        },
-    ]
+    // As long as we can't rely on most chat profiles
+    // having a multi-relay setup and offering TURN servers,
+    // fall back to a service run by Delta Chat developers
+    // which ensures that no IP addresses or other metadata is
+    // persistently logged.
+    vec![UnresolvedIceServer::Turn {
+        hostname: "turn.delta.chat".to_string(),
+        port: TURN_PORT,
+        username: "public".to_string(),
+        credential: "o4tR7yG4rG2slhXqRUf9zgmHz".to_string(),
+    }]
 }

 /// Returns JSON with ICE servers.
@@ -779,3 +779,13 @@ async fn test_end_text_call() -> Result<()> {

    Ok(())
 }
+
+/// Tests that fallback ice servers just carry the Turn one
+#[test]
+fn test_fallback_ice_servers() {
+    let hostnames: Vec<String> = create_fallback_ice_servers()
+        .into_iter()
+        .map(|UnresolvedIceServer::Turn { hostname, .. }| hostname)
+        .collect();
+    assert_eq!(hostnames, ["turn.delta.chat"]);
+}
@@ -11,7 +11,6 @@ use std::time::Duration;
 use anyhow::{Context as _, Result, anyhow, bail, ensure};
 use chrono::TimeZone;
 use deltachat_contact_tools::{ContactAddress, sanitize_bidi_characters, sanitize_single_line};
-use humansize::{BINARY, format_size};
 use mail_builder::mime::MimePart;
 use serde::{Deserialize, Serialize};
 use strum_macros::EnumIter;
@@ -27,26 +26,22 @@ use crate::constants::{
 use crate::contact::{self, Contact, ContactId, Origin};
 use crate::context::Context;
 use crate::debug_logging::maybe_set_logging_xdc;
-use crate::download::{
-    DownloadState, PRE_MSG_ATTACHMENT_SIZE_THRESHOLD, PRE_MSG_SIZE_WARNING_THRESHOLD,
-};
+use crate::download::{DownloadState, PRE_MSG_ATTACHMENT_SIZE_THRESHOLD};
 use crate::ensure_and_debug_assert_eq;
 use crate::ephemeral::{Timer as EphemeralTimer, start_chat_ephemeral_timers};
 use crate::events::EventType;
-use crate::key;
 use crate::key::{Fingerprint, self_fingerprint};
-use crate::location;
 use crate::log::{LogExt, warn};
 use crate::logged_debug_assert;
 use crate::message::{self, Message, MessageState, MsgId, Viewtype};
-use crate::mimefactory;
-use crate::mimefactory::{MimeFactory, RenderedEmail};
+use crate::mimefactory::MimeFactory;
 use crate::mimeparser::SystemMessage;
 use crate::param::{Param, Params};
 use crate::pgp::addresses_from_public_key;
 use crate::reaction::broadcast_reactions;
 use crate::receive_imf::ReceivedMsg;
-use crate::smtp::{self, send_msg_to_smtp};
+use crate::smtp::queue::{ToBeQueuedMail, enqueue_mail};
+use crate::smtp::send_msg_to_smtp;
 use crate::stock_str;
 use crate::sync::{self, Sync::*, SyncData};
 use crate::tools::{
@@ -336,16 +331,18 @@ impl ChatId {
        Ok(chat_id)
    }

-    async fn set_selfavatar_timestamp(self, context: &Context, timestamp: i64) -> Result<()> {
-        context
-            .sql
+    pub(crate) fn set_selfavatar_timestamp(
+        self,
+        transaction: &mut rusqlite::Transaction<'_>,
+        timestamp: i64,
+    ) -> Result<()> {
+        transaction
            .execute(
                "UPDATE contacts
                 SET selfavatar_sent=?
                 WHERE id IN(SELECT contact_id FROM chats_contacts WHERE chat_id=? AND add_timestamp >= remove_timestamp)",
                (timestamp, self),
-            )
-            .await?;
+            ) ?;
        Ok(())
    }

@@ -2686,7 +2683,7 @@ async fn prepare_send_msg(

    let skip_fn = |reason: &CantSendReason| match reason {
        CantSendReason::ContactRequest => {
-            // Allow securejoin messages, they are supposed to repair the verification.
+            // Allow securejoin messages.
            // If the chat is a contact request, let the user accept it later.
            msg.param.get_cmd() == SystemMessage::SecurejoinMessage
        }
@@ -2776,11 +2773,8 @@ async fn render_mime_message_and_pre_message(
    context: &Context,
    msg: &mut Message,
    mimefactory: MimeFactory,
-) -> Result<(Option<RenderedEmail>, RenderedEmail)> {
-    let from_addr = context.get_primary_self_addr().await?;
-    let public_key = key::load_self_public_key(context).await?;
-    let secret_key = key::load_self_secret_key(context).await?;
-
+    bcc_self: bool,
+) -> Result<(Option<ToBeQueuedMail>, ToBeQueuedMail)> {
    let needs_pre_message = msg.viewtype.has_file()
        && mimefactory.will_be_encrypted() // unencrypted is likely email, we don't want to spam by sending multiple messages
        && msg
@@ -2797,53 +2791,27 @@ async fn render_mime_message_and_pre_message(

        let mut mimefactory_post_msg = mimefactory.clone();
        mimefactory_post_msg.set_as_post_message();
-        let (queued_msg, side_effects) = Box::pin(mimefactory_post_msg.into_queued_mail(context))
-            .await
-            .context("Failed to render post-message")?;
-
-        let rendered_msg = mimefactory::render_queued_mail(
-            queued_msg,
-            &public_key,
-            &secret_key,
-            from_addr.clone(),
-            side_effects,
-        )?;
+        let (queued_msg, side_effects) =
+            Box::pin(mimefactory_post_msg.into_queued_mail(context, bcc_self))
+                .await
+                .context("Failed to render post-message")?;

        let mut mimefactory_pre_msg = mimefactory;
-        mimefactory_pre_msg.set_as_pre_message_for(&rendered_msg);
+        mimefactory_pre_msg.set_as_pre_message_for(&queued_msg.rfc724_mid);
        let (queued_pre_msg, pre_side_effects) =
-            Box::pin(mimefactory_pre_msg.into_queued_mail(context))
+            Box::pin(mimefactory_pre_msg.into_queued_mail(context, bcc_self))
                .await
                .context("pre-message failed to render")?;
-        let rendered_pre_msg = mimefactory::render_queued_mail(
-            queued_pre_msg,
-            &public_key,
-            &secret_key,
-            from_addr,
-            pre_side_effects,
-        )?;

-        if rendered_pre_msg.message.len() > PRE_MSG_SIZE_WARNING_THRESHOLD {
-            warn!(
-                context,
-                "Pre-message for message {} is larger than expected: {}.",
-                msg.id,
-                rendered_pre_msg.message.len()
-            );
-        }
-
-        Ok((Some(rendered_pre_msg), rendered_msg))
+        Ok((
+            Some((queued_pre_msg, pre_side_effects)),
+            (queued_msg, side_effects),
+        ))
    } else {
-        let (queued_msg, side_effects) = Box::pin(mimefactory.into_queued_mail(context)).await?;
-        let rendered_msg = mimefactory::render_queued_mail(
-            queued_msg,
-            &public_key,
-            &secret_key,
-            from_addr,
-            side_effects,
-        )?;
+        let (queued_msg, side_effects) =
+            Box::pin(mimefactory.into_queued_mail(context, bcc_self)).await?;

-        Ok((None, rendered_msg))
+        Ok((None, (queued_msg, side_effects)))
    }
 }

@@ -2857,6 +2825,8 @@ async fn render_mime_message_and_pre_message(
 ///
 /// The caller has to interrupt SMTP loop or otherwise process new rows.
 async fn create_send_msg_jobs(context: &Context, msg: &mut Message) -> Result<Vec<i64>> {
+    let now = time();
+
    let cmd = msg.param.get_cmd();
    if cmd == SystemMessage::GroupNameChanged || cmd == SystemMessage::GroupDescriptionChanged {
        msg.chat_id
@@ -2888,12 +2858,14 @@ async fn create_send_msg_jobs(context: &Context, msg: &mut Message) -> Result<Ve
            return Err(err);
        }
    };
-    let mut recipients = mimefactory.recipients();
+    let recipients = mimefactory.recipients();
+    debug_assert!(!recipients.iter().any(|s| s.is_empty()));
+    let bcc_self = context.get_config_bool(Config::BccSelf).await?;

    // Default Webxdc integrations are hidden messages and must not be sent out:
    if (msg.param.get_int(Param::WebxdcIntegration).is_some() && msg.hidden)
        // This may happen eg. for groups with only SELF and bcc_self disabled:
-        || (!context.get_config_bool(Config::BccSelf).await? && recipients.is_empty())
+        || (!bcc_self && recipients.is_empty())
    {
        info!(
            context,
@@ -2906,8 +2878,9 @@ async fn create_send_msg_jobs(context: &Context, msg: &mut Message) -> Result<Ve
        return Ok(Vec::new());
    }

-    let (rendered_pre_msg, rendered_msg) =
-        match render_mime_message_and_pre_message(context, msg, mimefactory).await {
+    let is_encrypted = mimefactory.will_be_encrypted();
+    let (queued_pre_msg_pair, queued_msg_pair) =
+        match render_mime_message_and_pre_message(context, msg, mimefactory, bcc_self).await {
            Ok(res) => Ok(res),
            Err(err) => {
                message::set_msg_failed(context, msg, &err.to_string()).await?;
@@ -2915,29 +2888,13 @@ async fn create_send_msg_jobs(context: &Context, msg: &mut Message) -> Result<Ve
            }
        }?;

-    if let (post_msg, Some(pre_msg)) = (&rendered_msg, &rendered_pre_msg) {
-        info!(
-            context,
-            "Message {} sizes: pre-message: {}; post-message: {}.",
-            msg.id,
-            format_size(pre_msg.message.len(), BINARY),
-            format_size(post_msg.message.len(), BINARY),
-        );
+    if let Some((pre_msg, _)) = &queued_pre_msg_pair {
        msg.pre_rfc724_mid = pre_msg.rfc724_mid.clone();
-    } else {
-        info!(
-            context,
-            "Message {} will be sent in one shot (no pre- and post-message). Size: {}.",
-            msg.id,
-            format_size(rendered_msg.message.len(), BINARY),
-        );
    }

-    if context.get_config_bool(Config::BccSelf).await? {
-        smtp::add_self_recipients(context, &mut recipients, rendered_msg.is_encrypted).await?;
-    }
+    let (queued_msg, side_effects) = queued_msg_pair;

-    if needs_encryption && !rendered_msg.is_encrypted {
+    if needs_encryption && !is_encrypted {
        let addr = context.get_config(Config::ConfiguredAddr).await?;
        let text = stock_str::unencrypted_email(
            context,
@@ -2967,95 +2924,62 @@ async fn create_send_msg_jobs(context: &Context, msg: &mut Message) -> Result<Ve
        );
    }

-    let now = time();
-
-    if let Some(last_added_location_timestamp) =
-        rendered_msg.side_effects.last_added_location_timestamp
-    {
-        location::set_kml_sent_timestamp(context, msg.chat_id, last_added_location_timestamp)
-            .await?;
+    if let Some(ref side_effects) = side_effects {
+        msg.subject.clone_from(&side_effects.subject);
    }
-
-    if rendered_msg.side_effects.avatar_is_attached
-        || rendered_pre_msg
-            .as_ref()
-            .is_some_and(|msg| msg.side_effects.avatar_is_attached)
-    {
-        msg.chat_id
-            .set_selfavatar_timestamp(context, now)
-            .await
-            .context("Failed to set selfavatar timestamp")?;
-    }
-
-    if rendered_msg.is_encrypted {
+    if is_encrypted {
        msg.param.set_int(Param::GuaranteeE2ee, 1);
    } else {
        msg.param.remove(Param::GuaranteeE2ee);
    }
-    msg.subject.clone_from(&rendered_msg.side_effects.subject);
-    // Sort the message to the bottom. Employ `msgs_index7` to compute `timestamp`.
+
    context
        .sql
-        .execute(
-            "
-UPDATE msgs SET
-    timestamp=(
-        SELECT MAX(timestamp) FROM msgs INDEXED BY msgs_index7 WHERE
-            -- From `InFresh` to `OutDelivered` inclusive, except `OutDraft`.
-            state IN(10,13,16,18,20,24,26) AND
-            hidden IN(0,1) AND
-            chat_id=? AND
-            id<=?
-    ),
-    pre_rfc724_mid=?, subject=?, param=?
-WHERE id=?
-            ",
-            (
-                msg.chat_id,
-                msg.id,
-                &msg.pre_rfc724_mid,
-                &msg.subject,
-                msg.param.to_string(),
-                msg.id,
-            ),
-        )
-        .await?;
-
-    let trans_fn = |t: &mut rusqlite::Transaction| {
-        let mut row_ids = Vec::<i64>::new();
-
-        if let Some(sync_ids) = rendered_msg.side_effects.sync_ids_to_delete {
-            t.execute(
-                &format!("DELETE FROM multi_device_sync WHERE id IN ({sync_ids})"),
-                (),
-            )?;
-        }
-        if !recipients.is_empty() {
-            let mut stmt = t.prepare(
-                "INSERT INTO smtp (rfc724_mid, recipients, mime, msg_id)
-                VALUES            (?1,         ?2,         ?3,   ?4)",
-            )?;
-            let all_recipients = recipients.join(" ");
-            if let Some(pre_msg) = &rendered_pre_msg {
-                let row_id = stmt.insert((
-                    &pre_msg.rfc724_mid,
-                    &all_recipients,
-                    &pre_msg.message,
+        .transaction(|transaction| {
+            // Sort the message to the bottom. Employ `msgs_index7` to compute `timestamp`.
+            transaction.execute(
+                "
+    UPDATE msgs SET
+        timestamp=(
+            SELECT MAX(timestamp) FROM msgs INDEXED BY msgs_index7 WHERE
+                -- From `InFresh` to `OutDelivered` inclusive, except `OutDraft`.
+                state IN(10,13,16,18,20,24,26) AND
+                hidden IN(0,1) AND
+                chat_id=? AND
+                id<=?
+        ),
+        pre_rfc724_mid=?, subject=?, param=?
+    WHERE id=?
+                ",
+                (
+                    msg.chat_id,
                    msg.id,
-                ))?;
-                row_ids.push(row_id);
+                    &msg.pre_rfc724_mid,
+                    &msg.subject,
+                    msg.param.to_string(),
+                    msg.id,
+                ),
+            )?;
+
+            let mut row_ids = Vec::new();
+            if let Some((queued_pre_msg, pre_side_effects)) = queued_pre_msg_pair {
+                let row_id = enqueue_mail(
+                    transaction,
+                    now,
+                    msg.id,
+                    &queued_pre_msg,
+                    pre_side_effects.as_ref(),
+                )
+                .context("Failed to enqueue pre-message")?;
+                row_ids.push(row_id)
            }
-            let row_id = stmt.insert((
-                &rendered_msg.rfc724_mid,
-                &all_recipients,
-                &rendered_msg.message,
-                msg.id,
-            ))?;
-            row_ids.push(row_id);
-        }
-        Ok(row_ids)
-    };
-    context.sql.transaction(trans_fn).await
+            row_ids.push(
+                enqueue_mail(transaction, now, msg.id, &queued_msg, side_effects.as_ref())
+                    .context("Failed to enqueue message")?,
+            );
+            Ok(row_ids)
+        })
+        .await
 }

 /// Sends a text message to the given chat.
@@ -3994,15 +3918,7 @@ pub(crate) async fn add_contact_to_chat_ext(
        msg.viewtype = Viewtype::Text;

        let contact_addr = contact.get_addr().to_lowercase();
-        let added_by = if from_handshake && chat.typ == Chattype::OutBroadcast {
-            // The contact was added via a QR code rather than explicit user action,
-            // so it could be confusing to say 'You added member Alice'.
-            // And in a broadcast, SELF is the only one who can add members,
-            // so, no information is lost by just writing 'Member Alice added' instead.
-            ContactId::UNDEFINED
-        } else {
-            ContactId::SELF
-        };
+        let added_by = ContactId::SELF;
        msg.text = stock_str::msg_add_member_local(context, contact.id, added_by).await;
        msg.param.set_cmd(SystemMessage::MemberAddedToGroup);
        msg.param.set(Param::Arg, contact_addr);
@@ -4016,6 +3932,11 @@ pub(crate) async fn add_contact_to_chat_ext(
                .await?
                .context("Failed to find broadcast shared secret")?;
            msg.param.set(PARAM_BROADCAST_SECRET, secret);
+
+            // We don't show "member added" info-messages in channels,
+            // because there can be a lot members added,
+            // and these messages would clutter the timeline.
+            msg.hidden = true;
        }
        send_msg(context, chat_id, &mut msg).await?;

@@ -4064,7 +3985,7 @@ ORDER BY timestamp DESC, id DESC -- final ORDER BY is needed as UNION does not g
            (
                chat_id,
                Viewtype::Webxdc,
-                constants::N_MSGS_TO_NEW_BROADCAST_MEMBER,
+                constants::N_MSGS_TO_NEW_BROADCAST_MEMBER as u32,
                ContactId::INFO,
            ),
            |row: &rusqlite::Row| Ok(row.get::<_, MsgId>(0)?),
@@ -5004,7 +4925,7 @@ pub(crate) async fn delete_and_reset_all_device_msgs(context: &Context) -> Resul
    context
        .sql
        .execute(
-            r#"INSERT INTO devmsglabels (label) VALUES ("core-welcome-image"), ("core-welcome")"#,
+            "INSERT INTO devmsglabels (label) VALUES ('core-welcome-image'), ('core-welcome')",
            (),
        )
        .await?;
@@ -5183,7 +5104,7 @@ async fn set_contacts_by_fingerprints(
    if contacts == contacts_old {
        return Ok(());
    }
-    let broadcast_contacts_added = context
+    context
        .sql
        .transaction(move |transaction| {
            // For broadcast channels, we only add members,
@@ -5200,31 +5121,12 @@ async fn set_contacts_by_fingerprints(
            let mut statement = transaction.prepare(
                "INSERT OR IGNORE INTO chats_contacts (chat_id, contact_id) VALUES (?, ?)",
            )?;
-            let mut broadcast_contacts_added = Vec::new();
            for contact_id in &contacts {
-                if statement.execute((id, contact_id))? > 0 && chat.typ == Chattype::OutBroadcast {
-                    broadcast_contacts_added.push(*contact_id);
-                }
+                statement.execute((id, contact_id))?;
            }
-            Ok(broadcast_contacts_added)
+            Ok(())
        })
        .await?;
-    let timestamp = time();
-    for added_id in broadcast_contacts_added {
-        let msg = stock_str::msg_add_member_local(context, added_id, ContactId::UNDEFINED).await;
-        add_info_msg_with_cmd(
-            context,
-            id,
-            &msg,
-            SystemMessage::MemberAddedToGroup,
-            Some(timestamp),
-            timestamp,
-            None,
-            Some(ContactId::SELF),
-            Some(added_id),
-        )
-        .await?;
-    }
    context.emit_event(EventType::ChatModified(id));
    Ok(())
 }
@@ -1702,7 +1702,10 @@ async fn test_shall_attach_selfavatar() -> Result<()> {
    add_contact_to_chat(alice, chat_id, contact_id).await?;
    assert!(shall_attach_selfavatar(alice, chat_id).await?);

-    chat_id.set_selfavatar_timestamp(alice, time()).await?;
+    alice
+        .sql
+        .transaction(|transaction| chat_id.set_selfavatar_timestamp(transaction, time()))
+        .await?;
    assert!(!shall_attach_selfavatar(alice, chat_id).await?);

    alice.set_config(Config::Selfavatar, None).await?; // setting to None also forces re-sending
@@ -3000,13 +3003,13 @@ async fn test_broadcast_change_name() -> Result<()> {

        tcm.section("Bob receives the name-change system message");
        let msg = bob.recv_msg(&sent).await;
-        assert_eq!(msg.subject, "Re: My great broadcast");
+        assert_eq!(msg.subject, "My great broadcast");
        let bob_chat = Chat::load_from_db(bob, msg.chat_id).await?;
        assert_eq!(bob_chat.name, "My great broadcast");

        tcm.section("Fiona receives the name-change system message");
        let msg = fiona.recv_msg(&sent).await;
-        assert_eq!(msg.subject, "Re: My great broadcast");
+        assert_eq!(msg.subject, "My great broadcast");
        let fiona_chat = Chat::load_from_db(fiona, msg.chat_id).await?;
        assert_eq!(fiona_chat.name, "My great broadcast");
    }
@@ -3340,41 +3343,27 @@ async fn test_broadcast_recipients_sync1() -> Result<()> {
    alice2.assert_warn("unknown grpid").await;

    let member_added = alice1.pop_sent_msg().await;
-    let a2_charlie_added = alice2.recv_msg(&member_added).await;
+    alice2.recv_msg_trash(&member_added).await;
    let _c_member_added = charlie.recv_msg(&member_added).await;
-    let a2_chatlist = Chatlist::try_load(alice2, 0, Some("Channel"), None).await?;
-    assert_eq!(a2_chatlist.get_msg_id(0)?.unwrap(), a2_charlie_added.id);

    // Alice1 will now sync the full member list to Alice2:
    sync(alice1, alice2).await;
    let a2_bob_contact = alice2.add_or_lookup_contact_id(bob).await;
    let a2_charlie_contact = alice2.add_or_lookup_contact_id(charlie).await;
    let a2_chatlist = Chatlist::try_load(alice2, 0, Some("Channel"), None).await?;
-    let msg_id = a2_chatlist.get_msg_id(0)?.unwrap();
-    let a2_bob_added = Message::load_from_db(alice2, msg_id).await?;
-    assert_ne!(a2_bob_added.id, a2_charlie_added.id);
-    assert_eq!(
-        a2_bob_added.text,
-        stock_str::msg_add_member_local(alice2, a2_bob_contact, ContactId::UNDEFINED).await
-    );
-    assert_eq!(a2_bob_added.from_id, ContactId::SELF);
-    assert_eq!(
-        a2_bob_added.param.get_cmd(),
-        SystemMessage::MemberAddedToGroup
-    );
-    assert_eq!(
-        ContactId::new(
-            a2_bob_added
-                .param
-                .get_int(Param::ContactAddedRemoved)
-                .unwrap()
-                .try_into()
-                .unwrap()
-        ),
-        a2_bob_contact
-    );
+    let a2_chat_id = a2_chatlist.get_chat_id(0).unwrap();

-    let a2_chat_members = get_chat_contacts(alice2, a2_charlie_added.chat_id).await?;
+    // Also for Alice2, no info message should be shown;
+    // she should see only the "Messages are end-to-end encrypted" message.
+    let a2_chat_msgs = get_chat_msgs(alice2, a2_chat_id).await?;
+    assert_eq!(a2_chat_msgs.len(), 1);
+    let ChatItem::Message { msg_id } = a2_chat_msgs[0] else {
+        unreachable!()
+    };
+    let a2_msg = Message::load_from_db(alice2, msg_id).await?;
+    assert_eq!(a2_msg.get_info_type(), SystemMessage::ChatE2ee);
+
+    let a2_chat_members = get_chat_contacts(alice2, a2_chat_id).await?;
    assert!(a2_chat_members.contains(&a2_bob_contact));
    assert!(a2_chat_members.contains(&a2_charlie_contact));
    assert_eq!(a2_chat_members.len(), 2);
@@ -3756,25 +3745,6 @@ async fn test_broadcast_joining_golden() -> Result<()> {
        )
        .await;

-    assert_eq!(
-        alice_bob_contact
-            .get_verifier_id(alice)
-            .await?
-            .unwrap()
-            .unwrap(),
-        ContactId::SELF
-    );
-
-    let bob_alice_contact = bob.add_or_lookup_contact_no_key(alice).await;
-    assert_eq!(
-        bob_alice_contact
-            .get_verifier_id(bob)
-            .await?
-            .unwrap()
-            .unwrap(),
-        ContactId::SELF
-    );
-
    Ok(())
 }

@@ -4057,10 +4027,9 @@ async fn test_leave_broadcast_multidevice() -> Result<()> {
    bob1.recv_msg(&member_added).await;

    // The single chat should not be visible to the user on any of the devices.
-    // The contact should be marked as verified.
-    check_single_chat_is_hidden_and_contact_is_verified(alice, bob0).await;
-    check_single_chat_is_hidden_and_contact_is_verified(bob0, alice).await;
-    check_single_chat_is_hidden_and_contact_is_verified(bob1, alice).await;
+    check_single_chat_is_hidden(alice, bob0).await;
+    check_single_chat_is_hidden(bob0, alice).await;
+    check_single_chat_is_hidden(bob1, alice).await;

    tcm.section("Alice sends first message to broadcast.");
    let sent_msg = alice.send_text(alice_chat_id, "Hello!").await;
@@ -4087,10 +4056,7 @@ async fn test_leave_broadcast_multidevice() -> Result<()> {
    Ok(())
 }

-async fn check_single_chat_is_hidden_and_contact_is_verified(
-    t: &TestContext,
-    contact: &TestContext,
-) {
+async fn check_single_chat_is_hidden(t: &TestContext, contact: &TestContext) {
    let contact = t.add_or_lookup_contact_no_key(contact).await;
    if let Some(single_chat) = ChatIdBlocked::lookup_by_contact(t, contact.id)
        .await
@@ -4098,7 +4064,6 @@ async fn check_single_chat_is_hidden_and_contact_is_verified(
    {
        assert_eq!(single_chat.blocked, Blocked::Yes);
    }
-    assert!(contact.is_verified(t).await.unwrap());
 }

 /// Test that only the owner of the broadcast channel
@@ -18,8 +18,8 @@ use crate::events::EventType;
 use crate::log::LogExt;
 use crate::mimefactory::RECOMMENDED_FILE_SIZE;
 use crate::sync::{self, Sync::*, SyncData};
-use crate::tools::{get_abs_path, time};
-use crate::transport::{add_pseudo_transport, send_sync_transports, transport_addrs};
+use crate::tools::get_abs_path;
+use crate::transport::transport_addrs;
 use crate::{constants, stats};

 /// The available configuration keys.
@@ -42,10 +42,12 @@ use crate::{constants, stats};
 #[strum(serialize_all = "snake_case")]
 pub enum Config {
    /// Deprecated(2026-04).
-    /// Use ConfiguredAddr, [`crate::login_param::EnteredLoginParam`],
-    /// or add_transport{from_qr}()/list_transports() instead.
    ///
-    /// Email address, used in the `From:` field.
+    /// Email address used by the deprecated configure() procedure.
+    ///
+    /// Use add_transport{from_qr}() to configure new transports,
+    /// Use list_transports() to learn about configured transports,
+    /// including their addresses.
    Addr,

    /// Deprecated(2026-04).
@@ -195,9 +197,9 @@ pub enum Config {
    #[strum(props(default = "0"))]
    DeleteDeviceAfter,

-    /// The primary email address, used for sending and background fetch.
+    /// Deprecated(2026-09).
    ///
-    /// Device-local, other devices keep their own primary transport.
+    /// Use ConfiguredLoginParam and list_transports() instead.
    ConfiguredAddr,

    /// Deprecated(2026-04).
@@ -305,18 +307,6 @@ pub enum Config {
    /// True if account is configured.
    Configured,

-    /// Deprecated, we are trying to get rid of this global setting.
-    /// It is possible to configure a profile with both chatmail relays
-    /// and classical email servers.
-    ///
-    /// Most usages in UIs can be replaced by `force_encryption`.
-    ///
-    /// True if account is a chatmail account.
-    IsChatmail,
-
-    /// True if `IsChatmail` mustn't be autoconfigured. For tests.
-    FixIsChatmail,
-
    /// True if account is muted.
    IsMuted,

@@ -499,11 +489,6 @@ impl Config {
                | Self::ForceEncryption,
        )
    }
-
-    /// Whether the config option needs an IO scheduler restart to take effect.
-    pub(crate) fn needs_io_restart(&self) -> bool {
-        matches!(self, Config::ConfiguredAddr)
-    }
 }

 impl Context {
@@ -549,7 +534,6 @@ impl Context {
        // Default values
        let val = match key {
            Config::ConfiguredInboxFolder => Some("INBOX".to_string()),
-            Config::Addr => self.get_config_opt(Config::ConfiguredAddr).await?,
            _ => key.get_str("default").map(|s| s.to_string()),
        };
        Ok(val)
@@ -683,10 +667,6 @@ impl Context {
    pub async fn set_config(&self, key: Config, value: Option<&str>) -> Result<()> {
        Self::check_config(key, value)?;

-        let _pause = match key.needs_io_restart() {
-            true => self.scheduler.pause(self).await?,
-            _ => Default::default(),
-        };
        if key == Config::StatsSending {
            let old_value = self.get_config(key).await?;
            let old_value = bool_from_config(old_value.as_deref());
@@ -766,63 +746,28 @@ impl Context {
                    bail!("Cannot unset configured_addr");
                };

-                if !self.is_configured().await? {
-                    info!(
-                        self,
-                        "Creating a pseudo configured account which will not be able to send or receive messages. Only meant for tests!"
-                    );
-                    add_pseudo_transport(self, addr).await?;
-                    self.sql
-                        .set_raw_config(Config::ConfiguredAddr.as_ref(), Some(addr))
-                        .await?;
-                } else {
-                    self.sql
-                        .transaction(|transaction| {
-                            if transaction.query_row(
-                                "SELECT COUNT(*) FROM transports WHERE addr=?",
-                                (addr,),
-                                |row| {
-                                    let res: i64 = row.get(0)?;
-                                    Ok(res)
-                                },
-                            )? == 0
-                            {
-                                bail!("Address does not belong to any transport.");
-                            }
-                            transaction.execute(
-                                "UPDATE config SET value=? WHERE keyname='configured_addr'",
-                                (addr,),
-                            )?;
+                self.sql
+                    .transaction(|transaction| {
+                        if transaction.query_row(
+                            "SELECT COUNT(*) FROM transports WHERE addr=?",
+                            (addr,),
+                            |row| {
+                                let res: i64 = row.get(0)?;
+                                Ok(res)
+                            },
+                        )? == 0
+                        {
+                            bail!("Address does not belong to any transport.");
+                        }
+                        transaction.execute(
+                            "INSERT OR REPLACE INTO config (keyname, value) VALUES ('configured_addr', ?)",
+                            (addr,),
+                        )?;

-                            // The timestamp must strictly increase because
-                            // other devices ignore the row update otherwise,
-                            // and contacts only adopt the re-signed key
-                            // if its signature timestamp increases.
-                            transaction
-                                .execute(
-                                    "UPDATE transports
-                                     SET add_timestamp=MAX(?, add_timestamp+1)
-                                     WHERE addr=?",
-                                    (time(), addr),
-                                )
-                                .context(
-                                    "Failed to update add_timestamp for the new primary transport",
-                                )?;
-
-                            // Clean up SMTP queue.
-                            //
-                            // The messages in the queue have a different
-                            // From address so we cannot send them over
-                            // the new SMTP transport.
-                            transaction.execute("DELETE FROM smtp", ())?;
-
-                            Ok(())
-                        })
-                        .await?;
-                    // Invalidate the cache so the sync message cannot read a stale primary address.
-                    self.sql.uncache_raw_config("configured_addr").await;
-                    send_sync_transports(self).await?;
-                }
+                        Ok(())
+                    })
+                    .await?;
+                self.sql.uncache_raw_config("configured_addr").await;
            }
            _ => {
                self.sql.set_raw_config(key.as_ref(), value).await?;
@@ -917,8 +862,7 @@ impl Context {
            .any(|a| addr_cmp(addr, a)))
    }

-    /// Sets `primary_new` as the new primary self address and saves the old
-    /// primary address (if exists) as a secondary address.
+    /// Sets `primary_new` as the address used for sending.
    ///
    /// This should only be used by test code and during configure.
    #[cfg(test)] // AEAP is disabled, but there are still tests for it
@@ -940,7 +884,7 @@ impl Context {
            .await
    }

-    /// Returns the primary self address.
+    /// Returns the address of the transport used for sending.
    /// Returns an error if no self addr is configured.
    pub async fn get_primary_self_addr(&self) -> Result<String> {
        self.get_config(Config::ConfiguredAddr)
@@ -31,7 +31,7 @@ use crate::login_param::EnteredCertificateChecks;
 pub use crate::login_param::EnteredLoginParam;
 use crate::net::proxy::ProxyConfig;
 use crate::provider::{self, Protocol, Socket};
-use crate::qr::{login_param_from_account_qr, login_param_from_login_qr};
+use crate::qr::{Qr, check_qr, login_param_from_account_qr, login_param_from_login_qr};
 use crate::smtp::Smtp;
 use crate::sync::Sync::Nosync;
 use crate::tools::time;
@@ -40,27 +40,30 @@ use crate::transport::{
    ConnectionCandidate, delete_transport_row, maybe_update_sending_transport,
    purge_transport_caches, send_sync_transports, transport_addrs,
 };
-use crate::{EventType, stock_str};
+use crate::{EventType, autorelay, stock_str};

 /// Maximum number of relays.
 ///
 /// See <https://github.com/chatmail/core/issues/7608>.
 pub(crate) const MAX_RELAYS: usize = 5;

-macro_rules! progress {
-    ($context:tt, $progress:expr, $comment:expr) => {
-        assert!(
-            $progress <= 1000,
-            "value in range 0..1000 expected with: 0=error, 1..999=progress, 1000=success"
-        );
-        $context.emit_event($crate::events::EventType::ConfigureProgress {
-            progress: $progress,
-            comment: $comment,
-        });
-    };
-    ($context:tt, $progress:expr) => {
-        progress!($context, $progress, None);
-    };
+tokio::task_local! {
+    pub(crate) static SILENT_PROGRESS: ();
+}
+
+#[track_caller]
+fn emit_progress(ctx: &Context, progress: u16) {
+    assert!(
+        progress <= 1000,
+        "value in range 0..1000 expected with: 0=error, 1..999=progress, 1000=success"
+    );
+    if SILENT_PROGRESS.try_with(|_| ()).is_ok() {
+        return;
+    }
+    ctx.emit_event(EventType::ConfigureProgress {
+        progress,
+        comment: None,
+    });
 }

 impl Context {
@@ -124,14 +127,17 @@ impl Context {
    pub(crate) async fn add_transport_inner(&self, param: &mut EnteredLoginParam) -> Result<()> {
        match self.add_transport_unreported(param).await {
            Ok(()) => {
-                progress!(self, 1000);
+                emit_progress(self, 1000);
                Ok(())
            }
            Err(err) => {
                // We are using Anyhow's .context() and to show the
                // inner error, too, we need the {:#}:
                let error_msg = stock_str::configuration_failed(self, &format!("{err:#}"));
-                progress!(self, 0, Some(error_msg.clone()));
+                self.emit_event(EventType::ConfigureProgress {
+                    progress: 0,
+                    comment: Some(error_msg.clone()),
+                });
                bail!(error_msg);
            }
        }
@@ -156,9 +162,7 @@ impl Context {
            .await;

        self.free_ongoing().await;
-        res?;
-
-        param.save_legacy(self).await
+        res
    }

    /// Adds a new email account as a transport
@@ -190,6 +194,62 @@ impl Context {
        Ok(())
    }

+    /// Adds an initial transport on the chatmail relay that answers fastest
+    /// and lets the profile add further ones in the background.
+    ///
+    /// A `DCACCOUNT:` or `DCLOGIN:` `qr` code adds a single transport
+    /// while securejoin codes add the inviter's relays to the candidates.
+    ///
+    /// Does nothing if the profile already has a transport.
+    pub async fn init_transports(&self, qr: Option<&str>) -> Result<()> {
+        if self.is_configured().await? {
+            return Ok(());
+        }
+        if let Some(qr) = qr {
+            match check_qr(self, qr).await? {
+                Qr::Account { .. } | Qr::Login { .. } => {
+                    return self.add_transport_from_qr(qr).await;
+                }
+                Qr::AskVerifyContact { addrs, .. }
+                | Qr::AskVerifyGroup { addrs, .. }
+                | Qr::AskJoinBroadcast { addrs, .. } => {
+                    autorelay::add_relay_candidates(self, &addrs).await?
+                }
+                _ => bail!("QR code does not contain a relay"),
+            }
+        }
+
+        let cancel_channel = self.alloc_ongoing().await?;
+        let skip_network = false;
+        let res = autorelay::add_transport_from_candidates(self, skip_network)
+            .race(cancel_channel.recv().map(|_| Err(format_err!("Canceled"))))
+            .await;
+        self.free_ongoing().await;
+
+        let configured = self.is_configured().await?;
+        match res {
+            Ok(()) => {}
+            Err(err) if configured => {
+                warn!(
+                    self,
+                    "Onboarding interrupted after adding a transport: {err:#}."
+                );
+            }
+            Err(err) => {
+                let error_msg = stock_str::configuration_failed(self, &format!("{err:#}"));
+                self.emit_event(EventType::ConfigureProgress {
+                    progress: 0,
+                    comment: Some(error_msg.clone()),
+                });
+                bail!(error_msg);
+            }
+        }
+        self.set_config_bool(Config::Autorelay, true).await?;
+        emit_progress(self, 1000);
+        self.start_io().await;
+        Ok(())
+    }
+
    /// Returns the list of all email accounts that are used as a transport in the current profile.
    /// Use [Self::add_or_update_transport()] to add or change a transport
    /// and [Self::delete_transport()] to delete a transport.
@@ -321,7 +381,7 @@ async fn get_configured_param(
    let parsed = EmailAddress::new(&param.addr).context("Bad email-address")?;
    let param_domain = parsed.domain;

-    progress!(ctx, 200);
+    emit_progress(ctx, 200);

    let param_autoconfig = if param.imap.server.is_empty()
        && param.imap.port == 0
@@ -343,7 +403,7 @@ async fn get_configured_param(
        None
    };

-    progress!(ctx, 500);
+    emit_progress(ctx, 500);

    let mut servers = param_autoconfig.unwrap_or_default();
    if !servers
@@ -437,13 +497,13 @@ pub(crate) async fn configure(
    param: &EnteredLoginParam,
    skip_network: bool,
 ) -> Result<()> {
-    progress!(ctx, 1);
+    emit_progress(ctx, 1);

    let configured_param = get_configured_param(ctx, param, skip_network).await?;
    let proxy_config = ProxyConfig::load(ctx).await?;
    let strict_tls = configured_param.strict_tls(proxy_config.is_some())?;

-    progress!(ctx, 550);
+    emit_progress(ctx, 550);

    if !skip_network {
        // Spawn SMTP configuration task
@@ -469,7 +529,7 @@ pub(crate) async fn configure(
            Ok::<(), anyhow::Error>(())
        });

-        progress!(ctx, 600);
+        emit_progress(ctx, 600);

        // Configure IMAP

@@ -483,23 +543,12 @@ pub(crate) async fn configure(
            }
        };

-        progress!(ctx, 850);
+        emit_progress(ctx, 850);

        // Wait for SMTP configuration
        smtp_config_task.await??;

-        progress!(ctx, 900);
-
-        let is_configured = ctx.is_configured().await?;
-        if !ctx.get_config_bool(Config::FixIsChatmail).await? {
-            if imap_session.is_chatmail() {
-                ctx.sql.set_raw_config("is_chatmail", Some("1")).await?;
-            } else if !is_configured {
-                // Reset the setting that may have been set
-                // during failed configuration.
-                ctx.sql.set_raw_config("is_chatmail", Some("0")).await?;
-            }
-        }
+        emit_progress(ctx, 900);

        // Drop the imap connection explicitly
        // to make sure that it's not forgotten in a future refactoring
@@ -507,7 +556,7 @@ pub(crate) async fn configure(
        drop(imap);
    }

-    progress!(ctx, 910);
+    emit_progress(ctx, 910);

    configured_param
        .clone()
@@ -518,11 +567,11 @@ pub(crate) async fn configure(
    ctx.set_config_internal(Config::ConfiguredTimestamp, Some(&time().to_string()))
        .await?;

-    progress!(ctx, 920);
+    emit_progress(ctx, 920);

    ctx.scheduler.interrupt_inbox().await;

-    progress!(ctx, 940);
+    emit_progress(ctx, 940);
    ctx.update_device_chats()
        .await
        .context("Failed to update device chats")?;
@@ -566,7 +615,7 @@ async fn get_autoconfig(
    {
        return Some(res);
    }
-    progress!(ctx, 300);
+    emit_progress(ctx, 300);

    // `?emailaddress=` query string is excluded on purpose.
    // It is not part of the URL according to <https://datatracker.ietf.org/doc/draft-ietf-mailmaint-autoconfig/06/>.
@@ -581,7 +630,7 @@ async fn get_autoconfig(
    {
        return Some(res);
    }
-    progress!(ctx, 310);
+    emit_progress(ctx, 310);

    // Outlook uses always SSL but different domains (this comment describes the next two steps)
    if let Ok(res) = outlk_autodiscover(
@@ -593,7 +642,7 @@ async fn get_autoconfig(
    {
        return Some(res);
    }
-    progress!(ctx, 320);
+    emit_progress(ctx, 320);

    if let Ok(res) = outlk_autodiscover(
        ctx,
@@ -604,7 +653,7 @@ async fn get_autoconfig(
    {
        return Some(res);
    }
-    progress!(ctx, 330);
+    emit_progress(ctx, 330);

    // always SSL for Thunderbird's database
    if let Ok(res) = moz_autoconfigure(
@@ -681,7 +730,8 @@ mod tests {
    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
    async fn test_early_configure_failure_is_reported() -> Result<()> {
        let t = TestContext::new().await;
-        let mut param = login_param_from_host("example.org");
+        let mark_as_autorelay = false;
+        let mut param = login_param_from_host("example.org", mark_as_autorelay);

        // An ongoing process, e.g. a backup import,
        // makes configuration fail without ever contacting a relay.
@@ -700,6 +750,28 @@ mod tests {
        Ok(())
    }

+    /// Tests that init_transports() fails on a bad code
+    /// and does nothing on a profile that already has a transport.
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn test_init_transports() -> Result<()> {
+        let mut tcm = TestContextManager::new();
+        let t = &tcm.unconfigured().await;
+        assert!(t.init_transports(Some("not a qr code")).await.is_err());
+        assert!(!t.is_configured().await?);
+
+        let alice = &tcm.alice().await;
+        let invite = "openpgp4fpr:79252762C34C5096AF57958F4FC3D21A81B0F0A7#a=cli%40invite.example&i=TbnwJ6lSvD5&s=0ejvbdFSQxB";
+        alice.init_transports(Some(invite)).await?;
+        let candidates = alice
+            .sql
+            .count("SELECT COUNT(*) FROM relay_candidates", ())
+            .await?;
+        assert_eq!(candidates, 0);
+        assert_eq!(alice.count_transports().await?, 1);
+
+        Ok(())
+    }
+
    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
    async fn test_get_configured_param() -> Result<()> {
        let t = &TestContext::new().await;
@@ -726,7 +798,7 @@ mod tests {
        let mut tcm = TestContextManager::new();
        let t = &tcm.unconfigured().await;

-        // Setting ConfiguredAddr on an unconfigured account creates a pseudo transport
+        add_pseudo_transport(t, "primary@example.org").await?;
        t.set_config(Config::ConfiguredAddr, Some("primary@example.org"))
            .await?;
        assert_eq!(t.count_transports().await?, 1);
@@ -148,8 +148,9 @@ pub const DC_DESIRED_TEXT_LINE_LEN: usize = 100;
 /// `char`s), not Unicode Grapheme Clusters.
 pub const DC_DESIRED_TEXT_LEN: usize = DC_DESIRED_TEXT_LINE_LEN * DC_DESIRED_TEXT_LINES;

-// max. weight of images to send w/o recoding
-pub const BALANCED_IMAGE_BYTES: usize = 500_000;
+/// max. weight of images to send w/o recoding.
+// this is an estimation to the size we get when recoding high detail images.
+pub const BALANCED_IMAGE_BYTES: usize = 940_000;
 pub const WORSE_IMAGE_BYTES: usize = 130_000;

 // max. width/height and bytes of an avatar
@@ -159,7 +160,7 @@ pub(crate) const WORSE_AVATAR_SIZE: u32 = 256;
 pub(crate) const WORSE_AVATAR_BYTES: usize = 20_000; // this also fits to Outlook servers don't allowing headers larger than 32k.

 // max. width/height of images scaled down because of being too huge
-pub const BALANCED_IMAGE_SIZE: u32 = 1280;
+pub const BALANCED_IMAGE_SIZE: u32 = 1760;
 pub const WORSE_IMAGE_SIZE: u32 = 640;

 /// Limit for received images size. Bigger images become `Viewtype::File` to avoid excessive memory
@@ -171,9 +172,6 @@ pub const MAX_RCVD_IMAGE_PIXELS: u32 = 50_000_000;
 // Relays typically advertise their limit via IMAP METADATA.
 pub(crate) const DEFAULT_MAX_SMTP_RCPT_TO: u32 = 50;

-/// How far the last quota check needs to be in the past to be checked by the background function (in seconds).
-pub(crate) const DC_BACKGROUND_FETCH_QUOTA_CHECK_RATELIMIT: u64 = 12 * 60 * 60; // 12 hours
-
 /// How far in the future the sender timestamp of a message is allowed to be, in seconds. Also used
 /// in the group membership consistency algo to reject outdated membership changes.
 pub(crate) const TIMESTAMP_SENT_TOLERANCE: i64 = 60;
@@ -38,13 +38,35 @@ use crate::param::{Param, Params};
 use crate::pgp::{addresses_from_public_key, merge_openpgp_certificates};
 use crate::sync::{self, Sync::*};
 use crate::tools::{SystemTime, duration_to_str, get_abs_path, normalize_text, time, to_lowercase};
-use crate::{
-    chat, chatlist_events, ensure_and_debug_assert, ensure_and_debug_assert_ne, stock_str,
-};
+use crate::{chat, chatlist_events, ensure_and_debug_assert, stock_str};

-/// Time during which a contact is considered as seen recently.
+/// If the contact's "last seen" is newer, the contact freshness is set to "recently seen".
 const SEEN_RECENTLY_SECONDS: i64 = 600;

+/// If the contact's "last seen" is older, the contact freshness is set to "old".
+const CONTACT_OLD_SECONDS: i64 = 60 * 24 * 60 * 60;
+
+/// Freshness of a contact, based on when it was last seen.
+///
+/// Used by the UI to highlight contacts:
+/// recently seen contacts get a little green dot on the avatar,
+/// contacts not seen for a long time get a string below the name (e.g. "Seen 2 months ago").
+#[derive(Debug, PartialEq, Eq)]
+pub enum Freshness {
+    /// Contact shall not be highlighted.
+    Normal = 0,
+    /// Contact was seen recently.
+    RecentlySeen = 1,
+    /// Contact was not seen for a long time.
+    Old = 2,
+}
+
+impl From<Freshness> for u32 {
+    fn from(freshness: Freshness) -> Self {
+        freshness as u32
+    }
+}
+
 /// Contact ID, including reserved IDs.
 ///
 /// Some contact IDs are reserved to identify special contacts.  This
@@ -488,8 +510,8 @@ pub struct Contact {
    /// The contact ID.
    pub id: ContactId,

-    /// Contact name. It is recommended to use `Contact::get_name`,
-    /// `Contact::get_display_name` or `Contact::get_name_n_addr` to access this field.
+    /// Contact name. It is recommended to use `Contact::get_name`
+    /// or `Contact::get_display_name` to access this field.
    /// May be empty, initially set to `authname`.
    name: String,

@@ -562,10 +584,10 @@ pub enum Origin {
    /// To: of incoming messages of unknown sender
    IncomingUnknownTo = 0x40,

-    /// Address scanned but not verified.
+    /// Address scanned from a QR code.
    UnhandledQrScan = 0x80,

-    /// Address scanned from a SecureJoin QR code, but not verified yet.
+    /// Address scanned from a SecureJoin QR code.
    UnhandledSecurejoinQrScan = 0x81,

    /// Reply-To: of incoming message of known sender
@@ -596,14 +618,14 @@ pub enum Origin {
    /// address is in our address book
    AddressBook = 0x80000,

-    /// set on Alice's side for contacts like Bob that have scanned the QR code offered by her. Only means the contact has once been established using the "securejoin" procedure in the past, getting the current key verification status requires calling contact_is_verified() !
+    /// Set on Alice's side for contacts like Bob that have scanned the QR code offered by her.
+    /// Only means the contact has once been established using the "securejoin" procedure.
    SecurejoinInvited = 0x0100_0000,

    /// Set on Bob's side for contacts scanned from a QR code.
    /// Only means the contact has been scanned from the QR code,
    /// but does not mean that securejoin succeeded
    /// or the key has not changed since the last scan.
-    /// Getting the current key verification status requires calling contact_is_verified() !
    SecurejoinJoined = 0x0200_0000,

    /// contact added manually by create_contact(), this should be the largest origin as otherwise the user cannot modify the names
@@ -727,10 +749,23 @@ impl Contact {
        self.last_seen
    }

-    /// Returns `true` if this contact was seen recently.
-    #[expect(clippy::arithmetic_side_effects)]
-    pub fn was_seen_recently(&self) -> bool {
-        time() - self.last_seen <= SEEN_RECENTLY_SECONDS
+    /// Returns freshness of the contact.
+    pub fn get_freshness(&self) -> Freshness {
+        if self.id.is_special() || !self.is_key_contact() || self.is_blocked() {
+            return Freshness::Normal;
+        }
+
+        let is_old = time().saturating_sub(self.last_seen) > CONTACT_OLD_SECONDS;
+        if is_old || self.last_seen <= 0 {
+            return Freshness::Old;
+        }
+
+        let seen_recently = time().saturating_sub(self.last_seen) <= SEEN_RECENTLY_SECONDS;
+        if seen_recently {
+            return Freshness::RecentlySeen;
+        }
+
+        Freshness::Normal
    }

    /// Check if a contact is blocked.
@@ -1578,7 +1613,7 @@ WHERE addr=?
    /// May be an empty string.
    ///
    /// This name is typically used in a form where the user can edit the name of a contact.
-    /// To get a fine name to display in lists etc., use `Contact::get_display_name` or `Contact::get_name_n_addr`.
+    /// To get a fine name to display in lists etc., use `Contact::get_display_name`.
    pub fn get_name(&self) -> &str {
        &self.name
    }
@@ -1598,26 +1633,6 @@ WHERE addr=?
        &self.addr
    }

-    /// Get a summary of name and address.
-    ///
-    /// The returned string is either "Name (email@domain.com)" or just
-    /// "email@domain.com" if the name is unset.
-    ///
-    /// The result should only be used locally and never sent over the network
-    /// as it leaks the local contact name.
-    ///
-    /// The summary is typically used when asking the user something about the contact.
-    /// The attached email address makes the question unique, eg. "Chat with Alan Miller (am@uniquedomain.com)?"
-    pub fn get_name_n_addr(&self) -> String {
-        if !self.name.is_empty() {
-            format!("{} ({})", self.name, self.addr)
-        } else if !self.authname.is_empty() {
-            format!("{} ({})", self.authname, self.addr)
-        } else {
-            (&self.addr).into()
-        }
-    }
-
    /// Get the contact's profile image.
    /// This is the image set by each remote user on their own
    /// using set_config(context, "selfavatar", image).
@@ -1690,50 +1705,6 @@ WHERE addr=?
        Ok(self.public_key(context).await?.is_some())
    }

-    /// Returns true if the contact
-    /// can be added to verified chats.
-    ///
-    /// If contact is verified
-    /// UI should display green checkmark after the contact name
-    /// in contact list items and
-    /// in chat member list items.
-    ///
-    /// Use [Self::get_verifier_id] to display the verifier contact
-    /// in the info section of the contact profile.
-    pub async fn is_verified(&self, context: &Context) -> Result<bool> {
-        // We're always sort of secured-verified as we could verify the key on this device any time with the key
-        // on this device
-        if self.id == ContactId::SELF {
-            return Ok(true);
-        }
-
-        Ok(self.get_verifier_id(context).await?.is_some())
-    }
-
-    /// Returns the `ContactId` that verified the contact.
-    ///
-    /// If this returns Some(_),
-    /// display green checkmark in the profile and "Introduced by ..." line
-    /// with the name of the contact.
-    ///
-    /// If this returns `Some(None)`, then the contact is verified,
-    /// but it's unclear by whom.
-    pub async fn get_verifier_id(&self, context: &Context) -> Result<Option<Option<ContactId>>> {
-        let verifier_id: u32 = context
-            .sql
-            .query_get_value("SELECT verifier FROM contacts WHERE id=?", (self.id,))
-            .await?
-            .with_context(|| format!("Contact {} does not exist", self.id))?;
-
-        if verifier_id == 0 {
-            Ok(None)
-        } else if verifier_id == self.id.to_u32() {
-            Ok(Some(None))
-        } else {
-            Ok(Some(Some(ContactId::new(verifier_id))))
-        }
-    }
-
    /// Returns the number of real (i.e. non-special) contacts in the database.
    pub async fn get_real_cnt(context: &Context) -> Result<usize> {
        if !context.sql.is_open().await {
@@ -1997,68 +1968,6 @@ pub(crate) async fn update_last_seen(
    Ok(())
 }

-/// Marks contact `contact_id` as verified by `verifier_id`.
-///
-/// `verifier_id == None` means that the verifier is unknown.
-pub(crate) async fn mark_contact_id_as_verified(
-    context: &Context,
-    contact_id: ContactId,
-    verifier_id: Option<ContactId>,
-) -> Result<()> {
-    ensure_and_debug_assert_ne!(contact_id, ContactId::SELF,);
-    ensure_and_debug_assert_ne!(
-        Some(contact_id),
-        verifier_id,
-        "Contact cannot be verified by self",
-    );
-    let by_self = verifier_id == Some(ContactId::SELF);
-    let mut verifier_id = verifier_id.unwrap_or(contact_id);
-    context
-        .sql
-        .transaction(|transaction| {
-            let contact_fingerprint: String = transaction.query_row(
-                "SELECT fingerprint FROM contacts WHERE id=?",
-                (contact_id,),
-                |row| row.get(0),
-            )?;
-            if contact_fingerprint.is_empty() {
-                bail!("Non-key-contact {contact_id} cannot be verified");
-            }
-            if verifier_id != ContactId::SELF {
-                let (verifier_fingerprint, verifier_verifier_id): (String, ContactId) = transaction
-                    .query_row(
-                        "SELECT fingerprint, verifier FROM contacts WHERE id=?",
-                        (verifier_id,),
-                        |row| Ok((row.get(0)?, row.get(1)?)),
-                    )?;
-                if verifier_fingerprint.is_empty() {
-                    bail!(
-                        "Contact {contact_id} cannot be verified by non-key-contact {verifier_id}"
-                    );
-                }
-                ensure!(
-                    verifier_id == contact_id || verifier_verifier_id != ContactId::UNDEFINED,
-                    "Contact {contact_id} cannot be verified by unverified contact {verifier_id}",
-                );
-                if verifier_verifier_id == verifier_id {
-                    // Avoid introducing incorrect reverse chains: if the verifier itself has an
-                    // unknown verifier, it may be `contact_id` actually (directly or indirectly) on
-                    // the other device (which is needed for getting "verified by unknown contact"
-                    // in the first place).
-                    verifier_id = contact_id;
-                }
-            }
-            transaction.execute(
-                "UPDATE contacts SET verifier=?1
-                 WHERE id=?2 AND (verifier=0 OR verifier=id OR ?3)",
-                (verifier_id, contact_id, by_self),
-            )?;
-            Ok(())
-        })
-        .await?;
-    Ok(())
-}
-
 fn cat_fingerprint(ret: &mut String, name: &str, addr: &str, fingerprint: &str) {
    *ret += &format!("\n\n{name} ({addr}):\n{fingerprint}");
 }
@@ -253,7 +253,6 @@ async fn test_add_or_lookup() {
    assert_eq!(contact.get_authname(), "bla foo");
    assert_eq!(contact.get_display_name(), "Name one");
    assert_eq!(contact.get_addr(), "one@eins.org");
-    assert_eq!(contact.get_name_n_addr(), "Name one (one@eins.org)");

    // modify first added contact
    let (contact_id_test, sth_modified) = Contact::add_or_lookup(
@@ -286,7 +285,6 @@ async fn test_add_or_lookup() {
    assert_eq!(contact.get_name(), "");
    assert_eq!(contact.get_display_name(), "three@drei.sam");
    assert_eq!(contact.get_addr(), "three@drei.sam");
-    assert_eq!(contact.get_name_n_addr(), "three@drei.sam");

    // add name to third contact from incoming message (this becomes authorized name)
    let (contact_id_test, sth_modified) = Contact::add_or_lookup(
@@ -300,7 +298,6 @@ async fn test_add_or_lookup() {
    assert_eq!(contact_id, contact_id_test);
    assert_eq!(sth_modified, Modifier::Modified);
    let contact = Contact::get_by_id(&t, contact_id).await.unwrap();
-    assert_eq!(contact.get_name_n_addr(), "m. serious (three@drei.sam)");
    assert!(!contact.is_blocked());

    // manually edit name of third contact (does not changed authorized name)
@@ -316,7 +313,6 @@ async fn test_add_or_lookup() {
    assert_eq!(sth_modified, Modifier::Modified);
    let contact = Contact::get_by_id(&t, contact_id).await.unwrap();
    assert_eq!(contact.get_authname(), "m. serious");
-    assert_eq!(contact.get_name_n_addr(), "schnucki (three@drei.sam)");
    assert!(!contact.is_blocked());

    // Fourth contact:
@@ -334,7 +330,6 @@ async fn test_add_or_lookup() {
    assert_eq!(contact.get_name(), "Wonderland, Alice");
    assert_eq!(contact.get_display_name(), "Wonderland, Alice");
    assert_eq!(contact.get_addr(), "alice@w.de");
-    assert_eq!(contact.get_name_n_addr(), "Wonderland, Alice (alice@w.de)");

    // check SELF
    let contact = Contact::get_by_id(&t, ContactId::SELF).await.unwrap();
@@ -373,7 +368,6 @@ async fn test_contact_name_changes() -> Result<()> {
    assert_eq!(contact.get_authname(), "");
    assert_eq!(contact.get_name(), "");
    assert_eq!(contact.get_display_name(), "f@example.org");
-    assert_eq!(contact.get_name_n_addr(), "f@example.org");
    let contacts = Contact::get_all(&t, 0, Some("f@example.org")).await?;
    assert_eq!(contacts.len(), 0);

@@ -399,7 +393,6 @@ async fn test_contact_name_changes() -> Result<()> {
    assert_eq!(contact.get_authname(), "Flobbyfoo");
    assert_eq!(contact.get_name(), "");
    assert_eq!(contact.get_display_name(), "Flobbyfoo");
-    assert_eq!(contact.get_name_n_addr(), "Flobbyfoo (f@example.org)");
    let contacts = Contact::get_all(&t, 0, Some("f@example.org")).await?;
    assert_eq!(contacts.len(), 0);
    let contacts = Contact::get_all(&t, 0, Some("flobbyfoo")).await?;
@@ -429,7 +422,6 @@ async fn test_contact_name_changes() -> Result<()> {
    assert_eq!(contact.get_authname(), "Foo Flobby");
    assert_eq!(contact.get_name(), "");
    assert_eq!(contact.get_display_name(), "Foo Flobby");
-    assert_eq!(contact.get_name_n_addr(), "Foo Flobby (f@example.org)");
    let contacts = Contact::get_all(&t, 0, Some("f@example.org")).await?;
    assert_eq!(contacts.len(), 0);
    let contacts = Contact::get_all(&t, 0, Some("flobbyfoo")).await?;
@@ -447,7 +439,6 @@ async fn test_contact_name_changes() -> Result<()> {
    assert_eq!(contact.get_authname(), "Foo Flobby");
    assert_eq!(contact.get_name(), "Falk");
    assert_eq!(contact.get_display_name(), "Falk");
-    assert_eq!(contact.get_name_n_addr(), "Falk (f@example.org)");
    let contacts = Contact::get_all(&t, 0, Some("f@example.org")).await?;
    assert_eq!(contacts.len(), 0);
    let contacts = Contact::get_all(&t, 0, Some("falk")).await?;
@@ -1057,7 +1048,7 @@ async fn test_last_seen() -> Result<()> {
 }

 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_was_seen_recently() -> Result<()> {
+async fn test_contact_freshness() -> Result<()> {
    let _n = TimeShiftFalsePositiveNote;

    let mut tcm = TestContextManager::new();
@@ -1070,15 +1061,57 @@ async fn test_was_seen_recently() -> Result<()> {
    let chat = bob.create_chat(&alice).await;
    let contacts = chat::get_chat_contacts(&bob, chat.id).await?;
    let contact = Contact::get_by_id(&bob, *contacts.first().unwrap()).await?;
-    assert!(!contact.was_seen_recently());
+    assert_eq!(contact.get_freshness(), Freshness::Old);

    bob.recv_msg(&sent_msg).await;
    let contact = Contact::get_by_id(&bob, *contacts.first().unwrap()).await?;

-    assert!(contact.was_seen_recently());
+    assert_eq!(contact.get_freshness(), Freshness::RecentlySeen);

    let self_contact = Contact::get_by_id(&bob, ContactId::SELF).await?;
-    assert!(!self_contact.was_seen_recently());
+    assert_eq!(self_contact.get_freshness(), Freshness::Normal);
+
+    Ok(())
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_contact_freshness_blocked() -> Result<()> {
+    let mut tcm = TestContextManager::new();
+    let alice = tcm.alice().await;
+    let bob = tcm.bob().await;
+
+    // Alice sends message to Bob. Bob receives message, contact's freshness is "recently seen"
+    let msg = tcm.send_recv(&alice, &bob, "moin").await;
+
+    let contact = Contact::get_by_id(&bob, msg.from_id).await?;
+    assert_eq!(contact.get_freshness(), Freshness::RecentlySeen);
+
+    // Bob blocks Alice, contact's freshness is "normal" now
+    Contact::block(&bob, msg.from_id).await?;
+    let contact = Contact::get_by_id(&bob, msg.from_id).await?;
+    assert!(contact.is_blocked());
+    assert_eq!(contact.get_freshness(), Freshness::Normal);
+
+    Ok(())
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_contact_freshness_address_contact() -> Result<()> {
+    let mut tcm = TestContextManager::new();
+    let alice = tcm.alice().await;
+    alice.allow_unencrypted().await?;
+    let bob = tcm.bob().await;
+    bob.allow_unencrypted().await?;
+
+    // Alice sends a message to Bob
+    let alice_chat = alice.create_email_chat(&bob).await;
+    let sent_msg = alice.send_text(alice_chat.id, "moin").await;
+
+    // Bob receives message, contact's freshness is "normal", even though the messages was just received
+    let msg = bob.recv_msg(&sent_msg).await;
+    let contact = Contact::get_by_id(&bob, msg.from_id).await?;
+    assert!(!contact.is_key_contact());
+    assert_eq!(contact.get_freshness(), Freshness::Normal);

    Ok(())
 }
@@ -1096,11 +1129,11 @@ async fn test_was_seen_recently_event() -> Result<()> {
        let chat = alice.create_chat(&bob).await;
        let sent_msg = alice.send_text(chat.id, "moin").await;
        let contact = Contact::get_by_id(&bob, *contacts.first().unwrap()).await?;
-        assert!(!contact.was_seen_recently());
+        assert_ne!(contact.get_freshness(), Freshness::RecentlySeen);
        bob.evtracker.clear_events();
        bob.recv_msg(&sent_msg).await;
        let contact = Contact::get_by_id(&bob, *contacts.first().unwrap()).await?;
-        assert!(contact.was_seen_recently());
+        assert_eq!(contact.get_freshness(), Freshness::RecentlySeen);
        bob.evtracker
            .get_matching(|evt| matches!(evt, EventType::ContactsChanged { .. }))
            .await;
@@ -1108,12 +1141,12 @@ async fn test_was_seen_recently_event() -> Result<()> {
            .interrupt(contact.id, contact.last_seen)
            .await;

-        // Wait for `was_seen_recently()` to turn off.
+        // Wait for "seen recently" to turn off.
        bob.evtracker.clear_events();
        SystemTime::shift(Duration::from_secs(SEEN_RECENTLY_SECONDS as u64 * 2));
        recently_seen_loop.interrupt(ContactId::UNDEFINED, 0).await;
        let contact = Contact::get_by_id(&bob, *contacts.first().unwrap()).await?;
-        assert!(!contact.was_seen_recently());
+        assert_eq!(contact.get_freshness(), Freshness::Normal);
        bob.evtracker
            .get_matching(|evt| matches!(evt, EventType::ContactsChanged { .. }))
            .await;
@@ -1171,27 +1204,6 @@ async fn test_lookup_id_by_addr_recent_accepted() -> Result<()> {
    test_lookup_id_by_addr_recent_ext(accept_unencrypted_chat).await
 }

-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_verified_by_none() -> Result<()> {
-    let mut tcm = TestContextManager::new();
-    let alice = tcm.alice().await;
-    let bob = tcm.bob().await;
-
-    let contact_id = Contact::create(&alice, "Bob", "bob@example.net").await?;
-    let contact = Contact::get_by_id(&alice, contact_id).await?;
-    assert!(contact.get_verifier_id(&alice).await?.is_none());
-
-    // Receive a message from Bob to save the public key.
-    let chat = bob.create_chat(&alice).await;
-    let sent_msg = bob.send_text(chat.id, "moin").await;
-    alice.recv_msg(&sent_msg).await;
-
-    let contact = Contact::get_by_id(&alice, contact_id).await?;
-    assert!(contact.get_verifier_id(&alice).await?.is_none());
-
-    Ok(())
-}
-
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_sync_create() -> Result<()> {
    let alice0 = &TestContext::new_alice().await;
@@ -1240,7 +1252,7 @@ async fn test_make_n_import_vcard() -> Result<()> {
    tokio::fs::write(&avatar_path, avatar_bytes).await?;
    bob.set_config(Config::Selfavatar, Some(avatar_path.to_str().unwrap()))
        .await?;
-    let bob_addr = bob.get_config(Config::Addr).await?.unwrap();
+    let bob_addr = bob.get_config(Config::ConfiguredAddr).await?.unwrap();
    let bob_biography = bob.get_config(Config::Selfstatus).await?.unwrap();
    let chat = bob.create_chat(alice).await;
    let sent_msg = bob.send_text(chat.id, "moin").await;
@@ -1336,7 +1348,7 @@ async fn test_make_n_import_vcard() -> Result<()> {
 async fn test_import_vcard_key_change() -> Result<()> {
    let alice = &TestContext::new_alice().await;
    let bob = &TestContext::new_bob().await;
-    let bob_addr = &bob.get_config(Config::Addr).await?.unwrap();
+    let bob_addr = &bob.get_config(Config::ConfiguredAddr).await?.unwrap();
    bob.set_config(Config::Displayname, Some("Bob")).await?;
    let vcard = make_vcard(bob, &[ContactId::SELF]).await?;
    alice.evtracker.clear_events();
@@ -1391,13 +1403,11 @@ async fn test_import_vcard_key_change() -> Result<()> {
 }

 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_self_is_verified() -> Result<()> {
+async fn test_self_is_key_contact() -> Result<()> {
    let mut tcm = TestContextManager::new();
    let alice = tcm.alice().await;

    let contact = Contact::get_by_id(&alice, ContactId::SELF).await?;
-    assert_eq!(contact.is_verified(&alice).await?, true);
-    assert!(contact.get_verifier_id(&alice).await?.is_none());
    assert!(contact.is_key_contact());

    Ok(())
@@ -16,11 +16,11 @@ use tokio::sync::{Mutex, Notify, RwLock};

 use crate::chat::{ChatId, get_chat_cnt};
 use crate::config::Config;
-use crate::constants::{self, DC_BACKGROUND_FETCH_QUOTA_CHECK_RATELIMIT, DC_VERSION_STR};
+use crate::constants::{self, DC_VERSION_STR};
 use crate::contact::{Contact, ContactId};
 use crate::debug_logging::DebugLogging;
 use crate::events::{Event, EventEmitter, EventType, Events};
-use crate::imap::{Imap, ServerMetadata};
+use crate::imap::ServerMetadata;
 use crate::log::warn;
 use crate::logged_debug_assert;
 use crate::message::{self, MessageState, MsgId};
@@ -67,7 +67,6 @@ pub struct ContextBuilder {
    id: u32,
    events: Events,
    stock_strings: StockStrings,
-    password: Option<String>,

    push_subscriber: Option<PushSubscriber>,
 }
@@ -84,7 +83,6 @@ impl ContextBuilder {
            id: rand::random(),
            events: Events::new(),
            stock_strings: StockStrings::new(),
-            password: None,
            push_subscriber: None,
        }
    }
@@ -131,19 +129,6 @@ impl ContextBuilder {
        self
    }

-    /// Sets the password to unlock the database.
-    /// Deprecated 2025-11:
-    /// - Db encryption does nothing with blobs, so fs/disk encryption is recommended.
-    /// - Isolation from other apps is needed anyway.
-    ///
-    /// If an encrypted database is used it must be opened with a password.  Setting a
-    /// password on a new database will enable encryption.
-    #[deprecated(since = "TBD")]
-    pub fn with_password(mut self, password: String) -> Self {
-        self.password = Some(password);
-        self
-    }
-
    /// Sets push subscriber.
    pub(crate) fn with_push_subscriber(mut self, push_subscriber: PushSubscriber) -> Self {
        self.push_subscriber = Some(push_subscriber);
@@ -168,11 +153,10 @@ impl ContextBuilder {
    ///
    /// Returns error if context cannot be opened.
    pub async fn open(self) -> Result<Context> {
-        let password = self.password.clone().unwrap_or_default();
        let context = self.build().await?;
-        match context.open(password).await? {
+        match context.open().await? {
            true => Ok(context),
-            false => bail!("database could not be decrypted, incorrect or missing password"),
+            false => bail!("FIXME database could not be decrypted, incorrect or missing password"),
        }
    }
 }
@@ -386,10 +370,7 @@ impl Context {
        let context =
            Self::new_closed(dbfile, id, events, stock_strings, Default::default()).await?;

-        // Open the database if is not encrypted.
-        if context.check_passphrase("".to_string()).await? {
-            context.sql.open(&context, "".to_string()).await?;
-        }
+        context.sql.open(&context).await?;
        Ok(context)
    }

@@ -433,20 +414,9 @@ impl Context {
    /// Returns true if passphrase is correct, false is passphrase is not correct. Fails on other
    /// errors.
    #[deprecated(since = "TBD")]
-    pub async fn open(&self, passphrase: String) -> Result<bool> {
-        if self.sql.check_passphrase(passphrase.clone()).await? {
-            self.sql.open(self, passphrase).await?;
-            Ok(true)
-        } else {
-            Ok(false)
-        }
-    }
-
-    /// Changes encrypted database passphrase.
-    /// Deprecated 2025-11, see [`ContextBuilder::with_password()`] for reasoning.
-    pub async fn change_passphrase(&self, passphrase: String) -> Result<()> {
-        self.sql.change_passphrase(passphrase).await?;
-        Ok(())
+    pub async fn open(&self) -> Result<bool> {
+        self.sql.open(self).await?;
+        Ok(true)
    }

    /// Returns true if database is open.
@@ -454,15 +424,6 @@ impl Context {
        self.sql.is_open().await
    }

-    /// Tests the database passphrase.
-    ///
-    /// Returns true if passphrase is correct.
-    ///
-    /// Fails if database is already open.
-    pub(crate) async fn check_passphrase(&self, passphrase: String) -> Result<bool> {
-        self.sql.check_passphrase(passphrase).await
-    }
-
    pub(crate) fn with_blobdir(
        dbfile: PathBuf,
        blobdir: PathBuf,
@@ -568,20 +529,9 @@ impl Context {
        self.scheduler.maybe_network().await;
    }

-    /// Deprecated, we are trying to get rid of this global setting.
-    /// It is possible to configure a profile with both chatmail relays
-    /// and classical email servers.
-    ///
-    /// Returns true if an account is on a chatmail server.
-    pub async fn is_chatmail(&self) -> Result<bool> {
-        self.get_config_bool(Config::IsChatmail).await
-    }
-
-    /// Returns maximum number of recipients a single email can be sent to.
-    pub(crate) async fn get_max_smtp_rcpt_to(&self) -> Result<u32> {
-        let Some((transport_id, param)) = ConfiguredLoginParam::load(self).await? else {
-            bail!("Not configured");
-        };
+    /// Returns maximum number of recipients a single email can be sent to
+    /// over the transport `transport_id`, which sends from `addr`.
+    pub(crate) async fn get_max_smtp_rcpt_to(&self, transport_id: u32, addr: &str) -> Result<u32> {
        let metadata_limit = self
            .metadata
            .read()
@@ -591,64 +541,40 @@ impl Context {
        if let Some(limit) = metadata_limit {
            return Ok(limit);
        }
-        if let Some(limit) =
-            crate::provider::legacy_settings_for_addr(&param.addr)?.max_smtp_rcpt_to
-        {
+        if let Some(limit) = crate::provider::legacy_settings_for_addr(addr)?.max_smtp_rcpt_to {
            return Ok(limit);
        }
        Ok(constants::DEFAULT_MAX_SMTP_RCPT_TO)
    }

-    /// Does a single round of fetching from IMAP and returns.
+    /// Does a single round of fetching messages from all transports and returns.
    ///
-    /// Can be used even if I/O is currently stopped.
-    /// If I/O is currently stopped, starts a new IMAP connection
-    /// and fetches from Inbox and DeltaChat folders.
+    /// If IO is stopped, pauses the scheduler and fetches over a dedicated connection
+    /// per transport, returning as soon as one of them fetched messages.
+    /// If IO is running, interrupts IMAP IDLE on all transports
+    /// and waits until they are done fetching.
+    ///
+    /// Does not wait for outgoing messages to be sent out,
+    /// use [`crate::accounts::Accounts::is_sending_finished`] for that.
    pub async fn background_fetch(&self) -> Result<()> {
        if !(self.is_configured().await?) {
            return Ok(());
        }

-        let address = self.get_primary_self_addr().await?;
        let time_start = tools::Time::now();
-        info!(self, "background_fetch started fetching {address}.");
+        info!(self, "background_fetch started.");

        if self.scheduler.is_running().await {
-            self.scheduler.maybe_network().await;
-            self.wait_for_all_work_done().await;
+            self.scheduler.interrupt_inbox_idle().await;
+            let include_smtp = false;
+            self.wait_for_work_done(include_smtp).await;
        } else {
-            // Pause the scheduler to ensure another connection does not start
-            // while we are fetching on a dedicated connection.
-            let _pause_guard = self.scheduler.pause(self).await?;
-
-            // Start a new dedicated connection.
-            let mut connection = Imap::new_configured(self, channel::bounded(1).1).await?;
-            let mut session = connection.prepare(self).await?;
-
-            // Fetch IMAP folders.
-            let folder = connection.folder.clone();
-            connection
-                .fetch_move_delete(self, &mut session, &folder)
-                .await?;
-
-            // Update quota (to send warning if full) - but only check it once in a while.
-            // note: For now this only checks quota of primary transport,
-            // because background check only checks primary transport at the moment
-            if self
-                .quota_needs_update(
-                    session.transport_id(),
-                    DC_BACKGROUND_FETCH_QUOTA_CHECK_RATELIMIT,
-                )
-                .await
-                && let Err(err) = self.update_recent_quota(&mut session, &folder).await
-            {
-                warn!(self, "Failed to update quota: {err:#}.");
-            }
+            self.scheduler.background_fetch_any(self).await?;
        }

        info!(
            self,
-            "background_fetch done for {address} took {:?}.",
+            "background_fetch done, took {:?}.",
            time_elapsed(&time_start),
        );

@@ -885,13 +811,6 @@ impl Context {
        res.insert("number_of_contacts", contacts.to_string());
        res.insert("database_dir", self.get_dbfile().display().to_string());
        res.insert("database_version", dbversion.to_string());
-        res.insert(
-            "database_encrypted",
-            self.sql
-                .is_encrypted()
-                .await
-                .map_or_else(|| "closed".to_string(), |b| b.to_string()),
-        );
        res.insert("journal_mode", journal_mode);
        res.insert("blobdir", self.get_blobdir().display().to_string());
        res.insert(
@@ -907,13 +826,6 @@ impl Context {
            res.insert("imap_server_id", format!("{server_id:?}"));
        }

-        res.insert("is_chatmail", self.is_chatmail().await?.to_string());
-        res.insert(
-            "fix_is_chatmail",
-            self.get_config_bool(Config::FixIsChatmail)
-                .await?
-                .to_string(),
-        );
        res.insert(
            "is_muted",
            self.get_config_bool(Config::IsMuted).await?.to_string(),
@@ -1,16 +1,37 @@
-use anyhow::Context as _;
 use strum::IntoEnumIterator;
-use tempfile::tempdir;

 use super::*;
 use crate::chat::{Chat, MuteDuration, get_chat_contacts, get_chat_msgs, send_msg, set_muted};
 use crate::chatlist::Chatlist;
-use crate::constants::Chattype;
+use crate::constants::{Chattype, DEFAULT_MAX_SMTP_RCPT_TO};
 use crate::message::Message;
 use crate::receive_imf::receive_imf;
 use crate::test_utils::{E2EE_INFO_MSGS, TestContext, TestContextManager};
 use crate::tools::{SystemTime, create_outgoing_rfc724_mid};

+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_get_max_smtp_rcpt_to() -> Result<()> {
+    let t = TestContext::new().await;
+    assert_eq!(
+        t.get_max_smtp_rcpt_to(2, "alice@example.org").await?,
+        DEFAULT_MAX_SMTP_RCPT_TO
+    );
+
+    for (transport_id, limit) in [(1, 3), (2, 7)] {
+        t.metadata.write().await.insert(
+            transport_id,
+            ServerMetadata {
+                max_smtp_rcpt_to: Some(limit),
+                ..Default::default()
+            },
+        );
+    }
+
+    assert_eq!(t.get_max_smtp_rcpt_to(2, "alice@example.org").await?, 7);
+    assert_eq!(t.get_max_smtp_rcpt_to(1, "alice@example.org").await?, 3);
+    Ok(())
+}
+
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_wrong_db() -> Result<()> {
    let tmp = tempfile::tempdir()?;
@@ -463,63 +484,6 @@ async fn test_limit_search_msgs() -> Result<()> {
    Ok(())
 }

-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_check_passphrase() -> Result<()> {
-    let dir = tempdir()?;
-    let dbfile = dir.path().join("db.sqlite");
-
-    let context = ContextBuilder::new(dbfile.clone())
-        .with_id(1)
-        .build()
-        .await
-        .context("failed to create context")?;
-    assert_eq!(context.open("foo".to_string()).await?, true);
-    assert_eq!(context.is_open().await, true);
-    drop(context);
-
-    let context = ContextBuilder::new(dbfile)
-        .with_id(2)
-        .build()
-        .await
-        .context("failed to create context")?;
-    assert_eq!(context.is_open().await, false);
-    assert_eq!(context.check_passphrase("bar".to_string()).await?, false);
-    assert_eq!(context.open("false".to_string()).await?, false);
-    assert_eq!(context.open("foo".to_string()).await?, true);
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_context_change_passphrase() -> Result<()> {
-    let dir = tempdir()?;
-    let dbfile = dir.path().join("db.sqlite");
-
-    let context = ContextBuilder::new(dbfile)
-        .with_id(1)
-        .build()
-        .await
-        .context("failed to create context")?;
-    assert_eq!(context.open("foo".to_string()).await?, true);
-    assert_eq!(context.is_open().await, true);
-
-    context
-        .set_config(Config::Addr, Some("alice@example.org"))
-        .await?;
-
-    context
-        .change_passphrase("bar".to_string())
-        .await
-        .context("Failed to change passphrase")?;
-
-    assert_eq!(
-        context.get_config(Config::Addr).await?.unwrap(),
-        "alice@example.org"
-    );
-
-    Ok(())
-}
-
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_ongoing() -> Result<()> {
    let context = TestContext::new().await;
@@ -6,7 +6,6 @@ use anyhow::{Result, anyhow, bail, ensure};
 use deltachat_derive::{FromSql, ToSql};
 use serde::{Deserialize, Serialize};

-use crate::config::Config;
 use crate::context::Context;
 use crate::imap::session::Session;
 use crate::log::warn;
@@ -23,9 +22,6 @@ pub(crate) use post_msg_metadata::PostMsgMetadata;
 /// KiB).
 pub(crate) const PRE_MSG_ATTACHMENT_SIZE_THRESHOLD: u64 = 140_000;

-/// Max size for pre messages. A warning is emitted when this is exceeded.
-pub(crate) const PRE_MSG_SIZE_WARNING_THRESHOLD: usize = 150_000;
-
 /// Download state of the message.
 #[derive(
    Debug,
@@ -167,8 +163,7 @@ pub(crate) async fn download_msg(
        .fetch_single_msg(context, &server_folder, server_uid, rfc724_mid)
        .await?;

-    let bcc_self = context.get_config_bool(Config::BccSelf).await?;
-    if ephemeral::should_delete_all_downloaded_messages(bcc_self, session.is_chatmail()) {
+    if ephemeral::should_delete_all_downloaded_messages(context).await? {
        // Now that the message was downloaded, it likely needs to be deleted;
        // trigger a re-check by interrupting the inbox folder.
        // This is mainly needed to make the tests pass;
@@ -6,7 +6,6 @@ mod tests {

    use crate::chat;
    use crate::chat::send_text_msg;
-    use crate::config::Config;
    use crate::message::Message;
    use crate::mimeparser::SystemMessage;
    use crate::receive_imf::receive_imf;
@@ -61,7 +60,6 @@ Sent with my Delta Chat Messenger: https://delta.chat";
    async fn test_chatmail_can_send_unencrypted() -> Result<()> {
        let mut tcm = TestContextManager::new();
        let bob = &tcm.bob().await;
-        bob.set_config_bool(Config::IsChatmail, true).await?;
        bob.allow_unencrypted().await?;
        let bob_chat_id = receive_imf(
            bob,
@@ -363,7 +363,7 @@ pub(crate) async fn start_chat_ephemeral_timers(context: &Context, chat_id: Chat
 /// Selects messages which are expired according to
 /// `delete_device_after` setting or `ephemeral_timestamp` column.
 ///
-/// For each message a row ID, chat id, viewtype and location ID is returned.
+/// For each message a row ID, chat id, viewtype, whether the message is pinned and location ID is returned.
 ///
 /// Unknown viewtypes are returned as `Viewtype::Unknown`
 /// and not as errors bubbled up, easily resulting in infinite loop or leaving messages undeleted.
@@ -371,12 +371,12 @@ pub(crate) async fn start_chat_ephemeral_timers(context: &Context, chat_id: Chat
 async fn select_expired_messages(
    context: &Context,
    now: i64,
-) -> Result<Vec<(MsgId, ChatId, Viewtype, u32)>> {
+) -> Result<Vec<(MsgId, ChatId, Viewtype, bool, u32)>> {
    let mut rows = context
        .sql
        .query_map_vec(
            r#"
-SELECT id, chat_id, type, location_id
+SELECT id, chat_id, type, pinned, location_id
 FROM msgs
 WHERE
  ephemeral_timestamp != 0
@@ -392,8 +392,9 @@ WHERE
                    .context("Using default viewtype for ephemeral handling.")
                    .log_err(context)
                    .unwrap_or_default();
+                let pinned: bool = row.get("pinned")?;
                let location_id: u32 = row.get("location_id")?;
-                Ok((id, chat_id, viewtype, location_id))
+                Ok((id, chat_id, viewtype, pinned, location_id))
            },
        )
        .await?;
@@ -414,7 +415,7 @@ WHERE
            .sql
            .query_map_vec(
                r#"
-SELECT id, chat_id, type, location_id
+SELECT id, chat_id, type, pinned, location_id
 FROM msgs
 WHERE
  timestamp < ?1
@@ -437,8 +438,9 @@ WHERE
                        .context("Using default viewtype for delete-old handling.")
                        .log_err(context)
                        .unwrap_or_default();
+                    let pinned: bool = row.get("pinned")?;
                    let location_id: u32 = row.get("location_id")?;
-                    Ok((id, chat_id, viewtype, location_id))
+                    Ok((id, chat_id, viewtype, pinned, location_id))
                },
            )
            .await?;
@@ -463,11 +465,15 @@ pub(crate) async fn delete_expired_messages(context: &Context, now: i64) -> Resu
    if !rows.is_empty() {
        info!(context, "Attempting to delete {} messages.", rows.len());

-        let (msgs_changed, webxdc_deleted) = context
+        let (msgs_changed, webxdc_deleted, pinned_chat_ids) = context
            .sql
            .transaction(|transaction| {
                let mut msgs_changed = Vec::with_capacity(rows.len());
                let mut webxdc_deleted = Vec::new();
+
+                // IDs of the chats in which pinned messages were deleted.
+                let mut pinned_chat_ids = BTreeSet::new();
+
                // If you change which information is preserved here, also change `MsgId::trash()`
                // and other places it references.
                let mut del_msg_stmt = transaction.prepare(
@@ -478,7 +484,7 @@ SELECT ?1, rfc724_mid, pre_rfc724_mid, timestamp, ? FROM msgs WHERE id=?1
                )?;
                let mut del_location_stmt =
                    transaction.prepare("DELETE FROM locations WHERE independent=1 AND id=?")?;
-                for (msg_id, chat_id, viewtype, location_id) in rows {
+                for (msg_id, chat_id, viewtype, is_pinned, location_id) in rows {
                    del_msg_stmt.execute((msg_id, ChatId::TRASH))?;
                    if location_id > 0 {
                        del_location_stmt.execute((location_id,))?;
@@ -488,8 +494,12 @@ SELECT ?1, rfc724_mid, pre_rfc724_mid, timestamp, ? FROM msgs WHERE id=?1
                    if viewtype == Viewtype::Webxdc {
                        webxdc_deleted.push(msg_id)
                    }
+
+                    if is_pinned {
+                        pinned_chat_ids.insert(chat_id);
+                    }
                }
-                Ok((msgs_changed, webxdc_deleted))
+                Ok((msgs_changed, webxdc_deleted, pinned_chat_ids))
            })
            .await?;

@@ -504,6 +514,10 @@ SELECT ?1, rfc724_mid, pre_rfc724_mid, timestamp, ? FROM msgs WHERE id=?1
            context.emit_msgs_changed_without_msg_id(modified_chat_id);
        }

+        for chat_id in pinned_chat_ids {
+            context.emit_event(EventType::PinnedMessagesChanged { chat_id });
+        }
+
        for msg_id in webxdc_deleted {
            context.emit_event(EventType::WebxdcInstanceDeleted { msg_id });
        }
@@ -654,12 +668,11 @@ pub(crate) async fn ephemeral_loop(context: &Context, interrupt_receiver: Receiv
 pub(crate) async fn delete_expired_imap_messages(
    context: &Context,
    transport_id: u32,
-    is_chatmail: bool,
 ) -> Result<()> {
    let now = time();

    let bcc_self = context.get_config_bool(Config::BccSelf).await?;
-    if should_delete_all_downloaded_messages(bcc_self, is_chatmail) {
+    if should_delete_all_downloaded_messages(context).await? {
        // This is the only device using this relay.
        // Mark all downloaded messages for deletion, because they are not needed anymore.
        //
@@ -708,7 +721,7 @@ pub(crate) async fn delete_expired_imap_messages(
            )
            .await?;
    } else {
-        // Single device.
+        // Single device, but unencrypted messages are allowed.
        // Delete all expired and encrypted messages.
        context
            .sql
@@ -736,8 +749,9 @@ pub(crate) async fn delete_expired_imap_messages(
    Ok(())
 }

-pub(crate) fn should_delete_all_downloaded_messages(bcc_self: bool, is_chatmail: bool) -> bool {
-    !bcc_self && is_chatmail
+pub(crate) async fn should_delete_all_downloaded_messages(context: &Context) -> Result<bool> {
+    Ok(!context.get_config_bool(Config::BccSelf).await?
+        && context.get_config_bool(Config::ForceEncryption).await?)
 }

 /// Start ephemeral timers for seen messages if they are not started
@@ -509,7 +509,7 @@ async fn test_delete_expired_imap_messages() -> Result<()> {
            .await?;
    }

-    for (is_chatmail, other_transport, bcc_self) in [
+    for (force_encryption, other_transport, bcc_self) in [
        (false, false, false),
        (false, false, true),
        (false, true, false),
@@ -520,10 +520,12 @@ async fn test_delete_expired_imap_messages() -> Result<()> {
        (true, true, true),
    ] {
        println!(
-            "Testing combination is_chatmail={is_chatmail}, other_transport={other_transport}, bcc_self={bcc_self}"
+            "Testing combination force_encryption={force_encryption}, other_transport={other_transport}, bcc_self={bcc_self}"
        );

        t.set_config_bool(Config::BccSelf, bcc_self).await?;
+        t.set_config_bool(Config::ForceEncryption, force_encryption)
+            .await?;

        delete_expired_imap_messages(
            &t,
@@ -532,7 +534,6 @@ async fn test_delete_expired_imap_messages() -> Result<()> {
            } else {
                transport_id
            },
-            is_chatmail,
        )
        .await?;

@@ -548,7 +549,7 @@ async fn test_delete_expired_imap_messages() -> Result<()> {
        assert_eq!(is_deleted(&t, "no_expire@localhost").await?, !bcc_self);
        assert_eq!(
            is_deleted(&t, "no_expire_unencrypted@localhost").await?,
-            is_chatmail && !bcc_self
+            force_encryption && !bcc_self
        );
        assert_eq!(is_deleted(&t, "future@localhost").await?, !bcc_self);
        assert_eq!(is_deleted(&t, "expired_post@localhost").await?, true);
@@ -563,9 +564,10 @@ async fn test_delete_expired_imap_messages() -> Result<()> {
        reset_targets(&t).await;
    }

-    // With BccSelf=true, non-expired messages are kept even if `is_chatmail` is true
+    // With BccSelf=true, non-expired messages are kept even if `force_encryption` is true
    t.set_config_bool(Config::BccSelf, true).await?;
-    delete_expired_imap_messages(&t, transport_id, true).await?;
+    t.set_config_bool(Config::ForceEncryption, true).await?;
+    delete_expired_imap_messages(&t, transport_id).await?;
    assert_eq!(is_deleted(&t, "expired@localhost").await?, true);
    assert_eq!(is_deleted(&t, "no_expire@localhost").await?, false);
    assert_eq!(is_deleted(&t, "done_pre@localhost").await?, false);
@@ -676,12 +678,16 @@ async fn test_ephemeral_msg_offline() -> Result<()> {
        .await?;
    let mut msg = Message::new_text("hi".to_string());
    assert!(chat::send_msg_sync(alice, chat.id, &mut msg).await.is_err());
-    let stmt = "SELECT COUNT(*) FROM smtp WHERE msg_id=?";
+    let stmt = "SELECT COUNT(*) FROM smtp2 WHERE msg_id=?";
    assert!(alice.sql.exists(stmt, (msg.id,)).await?);
    let now = time();
    check_msg_will_be_deleted(alice, msg.id, &chat, now, now + i64::from(duration) + 1).await?;
    assert!(alice.sql.exists(stmt, (msg.id,)).await?);

+    alice
+        .assert_warn("No SMTP connection candidates provided")
+        .await;
+
    Ok(())
 }

@@ -33,9 +33,6 @@ pub enum EventType {
    /// Emitted when an IMAP message has been marked as deleted
    ImapMessageDeleted(String),

-    /// Emitted when an IMAP message has been moved
-    ImapMessageMoved(String),
-
    /// Emitted before going into IDLE on the Inbox folder.
    ImapInboxIdle,

@@ -96,6 +93,14 @@ pub enum EventType {
        contact_id: ContactId,
    },

+    /// The list of pinned messages for the chat has changed.
+    ///
+    /// Some message got pinned, or pinned message is unpinned or deleted.
+    PinnedMessagesChanged {
+        /// ID of the chat where the list of pinned messages changed.
+        chat_id: ChatId,
+    },
+
    /// A reaction to one's own sent message received.
    /// Typically, the UI will show a notification for that.
    ///
@@ -214,7 +219,6 @@ pub enum EventType {
    },

    /// Chat changed.  The name or the image of a chat group was changed or members were added or removed.
-    /// Or the verify state of a chat has changed.
    /// See dc_set_chat_name(), dc_set_chat_profile_image(), dc_add_contact_to_chat()
    /// and dc_remove_contact_from_chat().
    ///
@@ -302,8 +306,7 @@ pub enum EventType {
        contact_id: ContactId,

        /// Progress as:
-        /// 400=vg-/vc-request-with-auth sent, typically shown as "alice@addr verified, introducing myself."
-        /// (Bob has verified alice and waits until Alice does the same for him)
+        /// 400=vg-/vc-request-with-auth sent, typically shown as "introducing myself."
        /// 1000=vg-member-added/vc-contact-confirm received
        progress: u16,
    },
@@ -357,11 +360,18 @@ pub enum EventType {
        msg_id: MsgId,
    },

-    /// Tells that the Background fetch was completed (or timed out).
-    /// This event acts as a marker, when you reach this event you can be sure
-    /// that all events emitted during the background fetch were processed.
+    /// Tells that a background fetch call is done:
+    /// the fetch completed, timed out, was stopped or was not started.
    ///
-    /// This event is only emitted by the account manager
+    /// For the call that started the fetch, this event acts as a marker:
+    /// all events emitted during the fetch were processed once it is reached.
+    /// A call made while another background fetch is running gets the event immediately,
+    /// and the running fetch keeps emitting events until its own marker.
+    ///
+    /// The event carries no data identifying the call it belongs to,
+    /// so it is unambiguous only if there are no concurrent background fetch calls.
+    ///
+    /// This event is only emitted by the account manager.
    AccountsBackgroundFetchDone,
    /// Inform that set of chats or the order of the chats in the chatlist has changed.
    ///
@@ -429,7 +439,7 @@ pub enum EventType {
        chat_id: ChatId,
    },

-    /// One or more transports has changed or another transport is primary now.
+    /// One or more transports has changed or another transport is used for sending now.
    ///
    /// UI should update the list.
    ///
@@ -63,7 +63,6 @@ pub enum HeaderDef {
    ChatGroupDescription,
    ChatGroupDescriptionChanged,
    ChatGroupDescriptionTimestamp,
-    ChatVerified,
    ChatGroupAvatar,
    ChatUserAvatar,
    ChatVoiceMessage,
@@ -19,6 +19,7 @@ use async_imap::types::{Fetch, Flag, UnsolicitedResponse};
 use futures::{FutureExt as _, TryStreamExt};
 use futures_lite::FutureExt;
 use ratelimit::Ratelimit;
+use tokio_util::sync::CancellationToken;
 use url::Url;

 use crate::chat::{self, add_device_msg};
@@ -104,6 +105,10 @@ pub(crate) struct Imap {

    /// IMAP UID resync request receiver.
    pub(crate) resync_request_receiver: async_channel::Receiver<()>,
+
+    /// The background fetch is cancelled once messages are fetched from one of the transports,
+    /// so that the other transports fetch nothing.
+    pub(crate) background_fetch_stop_token: Option<CancellationToken>,
 }

 #[derive(Debug, Default)]
@@ -124,6 +129,8 @@ pub(crate) struct ServerMetadata {
    /// True if we think the relay supports push notifications.
    /// This gates wether we attempt to write an encrypted device token
    /// to per-transport IMAP metadata key `/private/devicetoken`.
+    ///
+    /// Any `/shared/vendor/deltachat/` entry identifies a chatmail relay.
    pub supports_push: bool,

    /// ICE servers for WebRTC calls.
@@ -237,21 +244,10 @@ impl Imap {
            ratelimit: Ratelimit::new(Duration::new(120, 0), 2.0),
            resync_request_sender,
            resync_request_receiver,
+            background_fetch_stop_token: None,
        })
    }

-    /// Creates new disconnected IMAP client using configured parameters.
-    pub async fn new_configured(
-        context: &Context,
-        idle_interrupt_receiver: Receiver<()>,
-    ) -> Result<Self> {
-        let (transport_id, param) = ConfiguredLoginParam::load(context)
-            .await?
-            .context("Not configured")?;
-        let imap = Self::new(context, transport_id, param, idle_interrupt_receiver).await?;
-        Ok(imap)
-    }
-
    /// Returns transport ID of the IMAP client.
    pub fn transport_id(&self) -> u32 {
        self.transport_id
@@ -305,7 +301,8 @@ impl Imap {
        self.conn_backoff_ms = max(BACKOFF_MIN_MS, self.conn_backoff_ms);

        let login_params = prioritize_server_login_params(&context.sql, &self.lp, "imap").await?;
-        let mut first_error = None;
+        let mut first_connection_error = None;
+        let mut first_login_error = None;
        'candidate: for lp in login_params {
            info!(context, "IMAP trying to connect to {}.", lp.connection);
            let connection_candidate = lp.connection.clone();
@@ -321,7 +318,7 @@ impl Imap {
                Ok(client) => client,
                Err(err) => {
                    warn!(context, "{err:#}.");
-                    first_error.get_or_insert(err);
+                    first_connection_error.get_or_insert(err);
                    continue 'candidate;
                }
            };
@@ -400,12 +397,14 @@ impl Imap {

                Err(err) => {
                    warn!(context, "{err:#}.");
-                    first_error.get_or_insert(err);
+                    first_login_error.get_or_insert(err);
                }
            }
        }

-        Err(first_error.unwrap_or_else(|| format_err!("No IMAP connection candidates provided")))
+        Err(first_login_error
+            .or(first_connection_error)
+            .unwrap_or_else(|| format_err!("No IMAP connection candidates provided")))
    }

    /// Prepare a new IMAP session.
@@ -424,16 +423,18 @@ impl Imap {
        Ok(session)
    }

-    /// FETCH-MOVE-DELETE iteration.
+    /// FETCH-and-DELETE iteration.
    ///
-    /// Prefetches headers and downloads new message from the folder, moves messages away from the
-    /// folder and deletes messages in the folder.
-    pub async fn fetch_move_delete(
+    /// Prefetches headers and downloads new message from the folder
+    /// and deletes messages in the folder.
+    ///
+    /// Returns true if at least one message was fetched.
+    pub async fn fetch_delete(
        &mut self,
        context: &Context,
        session: &mut Session,
        watch_folder: &str,
-    ) -> Result<()> {
+    ) -> Result<bool> {
        ensure_and_debug_assert!(!watch_folder.is_empty(), "Watched folder cannot be empty");
        if !context.sql.is_open().await {
            // probably shutdown
@@ -454,16 +455,16 @@ impl Imap {

        // Mark expired messages for deletion. Note that `delete_expired_imap_messages` is
        // not well optimized and should not be called before fetching.
-        delete_expired_imap_messages(context, session.transport_id(), session.is_chatmail())
+        delete_expired_imap_messages(context, session.transport_id())
            .await
            .context("delete_expired_imap_messages")?;

        session
-            .move_delete_messages(context, watch_folder)
+            .delete_messages(context, watch_folder)
            .await
-            .context("move_delete_messages")?;
+            .context("delete_messages")?;

-        Ok(())
+        Ok(msgs_fetched)
    }

    /// Fetches new messages.
@@ -532,6 +533,19 @@ impl Imap {
            .context("prefetch")?;
        let read_cnt = msgs.len();
        let _fetch_msgs_lock_guard = context.fetch_msgs_mutex.lock().await;
+        if let Some(stop_token) = &self.background_fetch_stop_token {
+            if stop_token.is_cancelled() {
+                // This also stops the transport that cancelled the token,
+                // so one background fetch receives at most `uids_to_prefetch` messages.
+                return Ok((0, false));
+            }
+            if read_cnt > 0 {
+                // Cancel the background fetch on the other transports,
+                // so that `background_fetch_any()` can return as soon as messages are received
+                // and the UI can show a notification.
+                stop_token.cancel();
+            }
+        }

        let mut uids_fetch: Vec<u32> = Vec::new();
        let mut available_post_msgs: Vec<String> = Vec::new();
@@ -559,16 +573,6 @@ impl Imap {
                .size
                .context("imap fetch response does not contain size")?;

-            // Determine the target folder where the message should be moved to.
-            //
-            // We only move the messages from the INBOX and Spam folders.
-            // This is required to avoid infinite MOVE loop on IMAP servers
-            // that alias `DeltaChat` folder to other names.
-            // For example, some Dovecot servers alias `DeltaChat` folder to `INBOX.DeltaChat`.
-            // In this case moving from `INBOX.DeltaChat` to `DeltaChat`
-            // results in the messages getting a new UID,
-            // so the messages will be detected as new
-            // in the `INBOX.DeltaChat` folder again.
            let delete = if let Some(message_id) = &message_id {
                message::rfc724_mid_exists_ext(context, message_id, "deleted=1")
                    .await?
@@ -606,13 +610,7 @@ impl Imap {
                )
                .await?;

-            // Download only the messages which have reached their target folder if there are
-            // multiple devices. This prevents race conditions in multidevice case, where one
-            // device tries to download the message while another device moves the message at the
-            // same time. Even in single device case it is possible to fail downloading the first
-            // message, move it to the movebox and then download the second message before
-            // downloading the first one, if downloading from inbox before moving is allowed.
-            if folder == target
+            if !delete
                && prefetch_should_download(context, &headers, &message_id, fetch_response.flags())
                    .await
                    .context("prefetch_should_download")?
@@ -849,75 +847,10 @@ impl Session {
        Ok(())
    }

-    /// Moves batch of messages identified by their UID from the currently
-    /// selected folder to the target folder.
-    async fn move_message_batch(
-        &mut self,
-        context: &Context,
-        set: &str,
-        row_ids: Vec<i64>,
-        target: &str,
-    ) -> Result<()> {
-        if self.can_move() {
-            match self.uid_mv(set, &target).await {
-                Ok(()) => {
-                    // Messages are moved or don't exist, IMAP returns OK response in both cases.
-                    context
-                        .sql
-                        .transaction(|transaction| {
-                            let mut stmt = transaction.prepare("DELETE FROM imap WHERE id = ?")?;
-                            for row_id in row_ids {
-                                stmt.execute((row_id,))?;
-                            }
-                            Ok(())
-                        })
-                        .await
-                        .context("Cannot delete moved messages from imap table")?;
-                    context.emit_event(EventType::ImapMessageMoved(format!(
-                        "IMAP messages {set} moved to {target}"
-                    )));
-                    return Ok(());
-                }
-                Err(err) => {
-                    warn!(
-                        context,
-                        "Cannot move messages, fallback to COPY/DELETE {} to {}: {}",
-                        set,
-                        target,
-                        err
-                    );
-                }
-            }
-        }
-
-        // Server does not support MOVE or MOVE failed.
-        // Copy messages to the destination folder if needed and mark records for deletion.
-        info!(
-            context,
-            "Server does not support MOVE, fallback to COPY/DELETE {} to {}", set, target
-        );
-        self.uid_copy(&set, &target).await?;
-        context
-            .sql
-            .transaction(|transaction| {
-                let mut stmt = transaction.prepare("UPDATE imap SET target='' WHERE id = ?")?;
-                for row_id in row_ids {
-                    stmt.execute((row_id,))?;
-                }
-                Ok(())
-            })
-            .await
-            .context("Cannot plan deletion of messages")?;
-        context.emit_event(EventType::ImapMessageMoved(format!(
-            "IMAP messages {set} copied to {target}"
-        )));
-        Ok(())
-    }
-
-    /// Moves and deletes messages as planned in the `imap` table.
+    /// Deletes messages as planned in the `imap` table.
    ///
-    /// This is the only place where messages are moved or deleted on the IMAP server.
-    async fn move_delete_messages(&mut self, context: &Context, folder: &str) -> Result<()> {
+    /// This is the only place where messages are deleted on the IMAP server.
+    async fn delete_messages(&mut self, context: &Context, folder: &str) -> Result<()> {
        let transport_id = self.transport_id();
        let rows = context
            .sql
@@ -939,23 +872,21 @@ impl Session {

        for (target, rowid_set, uid_set) in UidGrouper::from(rows) {
            // Select folder inside the loop to avoid selecting it if there are no pending
-            // MOVE/DELETE operations. This does not result in multiple SELECT commands
+            // DELETE operations. This does not result in multiple SELECT commands
            // being sent because `select_folder()` does nothing if the folder is already
            // selected.
            let folder_exists = self.select_with_uidvalidity(context, folder).await?;
            ensure!(folder_exists, "No folder {folder}");

            // Empty target folder name means messages should be deleted.
+            // Since we don't move messages between IMAP folders anymore,
+            // `target` is always either empty or equal to `folder`.
+            debug_assert!(target.is_empty() || folder == target);
+
            if target.is_empty() {
                self.delete_message_batch(context, &uid_set, rowid_set)
                    .await
                    .with_context(|| format!("cannot delete batch of messages {uid_set:?}"))?;
-            } else {
-                self.move_message_batch(context, &uid_set, rowid_set, &target)
-                    .await
-                    .with_context(|| {
-                        format!("cannot move batch of messages {uid_set:?} to folder {target:?}",)
-                    })?;
            }
        }

@@ -1375,6 +1306,8 @@ impl Session {
                _ => {}
            }
        }
+        let supports_push =
+            max_smtp_rcpt_to.is_some() || iroh_relay.is_some() || ice_servers.is_some();
        let ice_servers = if let Some(ice_servers) = ice_servers {
            ice_servers
        } else {
@@ -1390,7 +1323,7 @@ impl Session {
                admin,
                iroh_relay,
                max_smtp_rcpt_to,
-                supports_push: max_smtp_rcpt_to.is_some() || self.capabilities.has_xdeltapush,
+                supports_push,
                ice_servers,
                ice_servers_expiration_timestamp,
                app_versions,
@@ -9,10 +9,6 @@ pub(crate) struct Capabilities {
    /// <https://tools.ietf.org/html/rfc2177>
    pub can_idle: bool,

-    /// True if the server has MOVE capability as defined in
-    /// <https://tools.ietf.org/html/rfc6851>
-    pub can_move: bool,
-
    /// True if the server has QUOTA capability as defined in
    /// <https://tools.ietf.org/html/rfc2087>
    pub can_check_quota: bool,
@@ -25,17 +21,6 @@ pub(crate) struct Capabilities {
    /// <https://tools.ietf.org/html/rfc4978>
    pub can_compress: bool,

-    /// True if the server advertises the legacy `XDELTAPUSH` capability.
-    pub has_xdeltapush: bool,
-
-    /// True if the server has an XCHATMAIL capability
-    /// indicating that it is a <https://github.com/deltachat/chatmail> server.
-    ///
-    /// This can be used to hide some advanced settings in the UI
-    /// that are only interesting for normal email accounts,
-    /// e.g. the ability to move messages to Delta Chat folder.
-    pub is_chatmail: bool,
-
    /// Server ID if the server supports ID capability.
    pub server_id: Option<HashMap<String, String>>,
 }
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 -08-14
 -09-22