re-enabling smtp_config_task - still fine

this works with https://github.com/deltachat/deltachat-android/issues/1676
2026-06-28 18:46:35 +03:00 · 2020-10-22 00:03:28 +02:00 · 2020-10-21 23:38:33 +02:00
33 changed files with 294 additions and 726 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,53 +1,5 @@
 # Changelog 

-## 1.49.0
-
- add timestamps to image and video filenames #2068
-
- forbid quoting messages from another context #2069
-
- fix: preserve quotes in messages with attachments #2070
-
-
-## 1.48.0
-
- `fetch_existing` renamed to `fetch_existing_msgs` and disabled by default
-  #2035 #2042
-
- skip fetch existing messages/contacts if config-option `bot` set #2017
-
- always log why a message is sorted to trash #2045
-
- display a quote if top posting is detected #2047
-
- add ephemeral task cancellation to `dc_stop_io()`;
-  before, there was no way to quickly terminate pending ephemeral tasks #2051
-
- when saved-messages chat is deleted,
-  a device-message about recreation is added #2050
-
- use `max_smtp_rcpt_to` from provider-db,
-  sending messages to many recipients in configurable chunks #2056
-
- fix handling of empty autoconfigure files #2027
-
- fix adding saved messages to wrong chats on multi-device #2034 #2039
-
- fix hang on android4.4 and other systems
-  by adding a workaround to executer-blocking-handling bug #2040
-
- fix secret key export/import roundtrip #2048
-
- fix mistakenly unarchived chats #2057
-
- fix outdated-reminder test that fails only 7 days a year,
-  including halloween :) #2059
-
- improve python bindings #2021 #2036 #2038
-
- update provider-database #2037
-
-
 ## 1.47.0

 - breaking change: `dc_update_device_chats()` removed;
@@ -75,7 +27,6 @@

 - configure now collects recent contacts and fetches last messages
  unless disabled by `fetch_existing` config-option #1913 #2003
-  EDIT: `fetch_existing` renamed to `fetch_existing_msgs` in 1.48.0 #2042

 - emit `DC_EVENT_CHAT_MODIFIED` on contact rename
  and set contact-id on `DC_EVENT_CONTACTS_CHANGED` #1935 #1936 #1937
@@ -89,8 +40,6 @@

 - mark all failed messages as failed when receiving an NDN #1993

- check some easy cases for bad system clock and outdated app #1901
-
 - fix import temporary directory usage #1929

 - fix forcing encryption for reset peers #1998
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1003,7 +1003,7 @@ dependencies = [

 [[package]]
 name = "deltachat"
-version = "1.49.0"
+version = "1.47.0"
 dependencies = [
 "ansi_term 0.12.1",
 "anyhow",
@@ -1079,7 +1079,7 @@ dependencies = [

 [[package]]
 name = "deltachat_ffi"
-version = "1.49.0"
+version = "1.47.0"
 dependencies = [
 "anyhow",
 "async-std",
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "1.49.0"
+version = "1.47.0"
 authors = ["Delta Chat Developers (ML) <delta@codespeak.net>"]
 edition = "2018"
 license = "MPL-2.0"
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "1.49.0"
+version = "1.47.0"
 description = "Deltachat FFI"
 authors = ["Delta Chat Developers (ML) <delta@codespeak.net>"]
 edition = "2018"
--- a/deltachat-ffi/deltachat.h
+++ b/deltachat-ffi/deltachat.h
@@ -36,18 +36,16 @@ typedef struct _dc_accounts_event_emitter dc_accounts_event_emitter_t;
 *
 * First of all, you have to **create a context object**
 * bound to a database.
- * The database is a normal SQLite file with a "blob directory" beside it.
- * This will create "example.db" database and "example.db-blobs"
- * directory if they don't exist already:
+ * The database is a normal sqlite-file and is created as needed:
 *
 * ~~~
 * dc_context_t* context = dc_context_new(NULL, "example.db", NULL);
 * ~~~
 *
- * After that, make sure you can **receive events from the context**.
+ * After that, make sure, you can **receive events from the context**.
 * For that purpose, create an event emitter you can ask for events.
- * If there is no event, the emitter will wait until there is one,
- * so, in many situations, you will do this in a thread:
+ * If there are no event, the emitter will wait until there is one,
+ * so, in many situations you will do this in a thread:
 *
 * ~~~
 * void* event_handler(void* context)
@@ -68,7 +66,7 @@ typedef struct _dc_accounts_event_emitter dc_accounts_event_emitter_t;
 *
 * The example above uses "pthreads",
 * however, you can also use anything else for thread handling.
- * All deltachat-core functions, unless stated otherwise, are thread-safe.
+ * All deltachat-core-functions, unless stated otherwise, are thread-safe.
 *
 * Now you can **configure the context:**
 *
@@ -79,13 +77,13 @@ typedef struct _dc_accounts_event_emitter dc_accounts_event_emitter_t;
 * dc_configure(context);
 * ~~~
 *
- * dc_configure() returns immediately.
- * The configuration itself runs in the background and may take a while.
+ * dc_configure() returns immediately,
+ * the configuration itself runs in background and may take a while.
 * Once done, the #DC_EVENT_CONFIGURE_PROGRESS reports success
 * to the event_handler() you've defined above.
 *
- * The configuration result is saved in the database.
- * On subsequent starts it is not needed to call dc_configure()
+ * The configuration result is saved in the database,
+ * on subsequent starts it is not needed to call dc_configure()
 * (you can check this using dc_is_configured()).
 *
 * On a successfully configured context,
@@ -107,12 +105,12 @@ typedef struct _dc_accounts_event_emitter dc_accounts_event_emitter_t;
 *
 * dc_send_text_msg() returns immediately;
 * the sending itself is done in the background.
- * If you check the testing address (bob),
- * you should receive a normal email.
- * Answer this email in any email program with "Got it!",
+ * If you check the testing address (bob)
+ * and you should have received a normal email.
+ * Answer this email in any email program with "Got it!"
 * and the IO you started above will **receive the message**.
 *
- * You can then **list all messages** of a chat as follows:
+ * You can then **list all messages** of a chat as follow:
 *
 * ~~~
 * dc_array_t* msglist = dc_get_chat_msgs(context, chat_id, 0, 0);
@@ -183,12 +181,18 @@ typedef struct _dc_accounts_event_emitter dc_accounts_event_emitter_t;
 * opened, connected and mails are fetched.
 *
 * @memberof dc_context_t
- * @param os_name is only for decorative use.
+ * @param os_name is only for decorative use
+ *     and is shown eg. in the `X-Mailer:` header
+ *     in the form "Delta Chat Core <version>/<os_name>".
 *     You can give the name of the app, the operating system,
 *     the used environment and/or the version here.
+ *     It is okay to give NULL, in this case `X-Mailer:` header
+ *     is set to "Delta Chat Core <version>".
 * @param dbfile The file to use to store the database,
 *     something like `~/file` won't work, use absolute paths.
- * @param blobdir Deprecated, pass NULL or an empty string here.
+ * @param blobdir A directory to store the blobs in; a trailing slash is not needed.
+ *     If you pass NULL or the empty string, deltachat-core creates a directory
+ *     beside _dbfile_ with the same name and the suffix `-blobs`.
 * @return A context object with some public members.
 *     The object must be passed to the other context functions
 *     and must be freed using dc_context_unref() after usage.
@@ -201,9 +205,14 @@ dc_context_t*   dc_context_new               (const char* os_name, const char* d

 /**
 * Free a context object.
+ * If app runs can only be terminated by a forced kill, this may be superfluous.
+ * Before the context object is freed, connections to SMTP, IMAP and database
+ * are closed. You can also do this explicitly by calling dc_close() on your own
+ * before calling dc_context_unref().
 *
 * You have to call this function
- * also for accounts returned by dc_accounts_get_account() or dc_accounts_get_selected_account().
+ * also for accounts returned by dc_accounts_get_account() or dc_accounts_get_selected_account(),
+ * however, in this case, the context is not shut down but just a reference counter is decreased
 *
 * @memberof dc_context_t
 * @param context The context object as created by dc_context_new(),
@@ -221,7 +230,7 @@ void            dc_context_unref             (dc_context_t* context);
 * If the context was created by dc_context_new(), a random ID is assigned.
 *
 * @memberof dc_context_t
- * @param context The context object as created e.g. by dc_accounts_get_account() or dc_context_new().
+ * @param context The context object as created eg. by dc_accounts_get_account() or dc_context_new().
 * @return The context-id.
 */
 uint32_t        dc_get_id                    (dc_context_t* context);
@@ -229,7 +238,7 @@ uint32_t        dc_get_id                    (dc_context_t* context);

 /**
 * Create the event emitter that is used to receive events.
- * The library will emit various @ref DC_EVENT events, such as "new message", "message read" etc.
+ * The library will emit various @ref DC_EVENT events as "new message", "message read" etc.
 * To get these events, you have to create an event emitter using this function
 * and call dc_get_next_event() on the emitter.
 *
@@ -240,7 +249,7 @@ uint32_t        dc_get_id                    (dc_context_t* context);
 *
 * Note: Use only one event emitter per context.
 * Having more than one event emitter running at the same time on the same context
- * will result in events being randomly delivered to one of the emitters.
+ * will result in events randomly delivered to the one or to the other.
 */
 dc_event_emitter_t* dc_get_event_emitter(dc_context_t* context);

@@ -341,7 +350,7 @@ char*           dc_get_blobdir               (const dc_context_t* context);
 *                    The type `jitsi:` may be handled by external apps.
 *                    If no type is prefixed, the videochat is handled completely in a browser.
 * - `bot`          = Set to "1" if this is a bot. E.g. prevents adding the "Device messages" and "Saved messages" chats.
- * - `fetch_existing_msgs` = 1=fetch most recent existing messages on configure (default),
+ * - `fetch_existing` = 1=fetch most recent existing messages on configure (default),
 *                    0=do not fetch existing messages on configure.
 *                    In both cases, existing recipients are added to the contact database.
 *
@@ -465,7 +474,7 @@ char*           dc_get_oauth2_url            (dc_context_t* context, const char*

 /**
 * Configure a context.
- * During configuration IO must not be started, if needed stop IO using dc_stop_io() first.
+ * While configuration IO must not be started, if needed stop IO using dc_stop_io() first.
 * If the context is already configured,
 * this function will try to change the configuration.
 *
@@ -553,12 +562,9 @@ void            dc_start_io     (dc_context_t* context);
 int             dc_is_io_running(const dc_context_t* context);

 /**
- * Stop job, IMAP, SMTP and other tasks and return when they
- * are finished.
+ * Stop job and IMAP/SMTP tasks and return when they are finished. 
+ * If IO is not running, nothing happens.
 * To check the current IO state, use dc_is_io_running().
- * Even if IO is not running, there may be pending tasks,
- * so this function should always be called before releasing
- * context to ensure clean termination of event loop.
 *
 * If the context was created by the dc_accounts_t account manager,
 * use dc_accounts_stop_io() instead of this function.
@@ -571,7 +577,7 @@ void            dc_stop_io(dc_context_t* context);
 /**
 * This function should be called when there is a hint
 * that the network is available again,
- * e.g. as a response to system event reporting network availability.
+ * eg. as a response to system event reporting network availability.
 * The library will try to send pending messages out immediately.
 *
 * Moreover, to have a reliable state
@@ -632,7 +638,7 @@ int             dc_preconfigure_keypair        (dc_context_t* context, const cha
 * Clients should not try to re-sort the list as this would be an expensive action
 * and would result in inconsistencies between clients.
 *
- * To get information about each entry, use e.g. dc_chatlist_get_summary().
+ * To get information about each entry, use eg. dc_chatlist_get_summary().
 *
 * By default, the function adds some special entries to the list.
 * These special entries can be identified by the ID returned by dc_chatlist_get_chat_id():
@@ -664,7 +670,7 @@ int             dc_preconfigure_keypair        (dc_context_t* context, const cha
 *       typically used on forwarding, may be combined with DC_GCL_NO_SPECIALS
 *       to also hide the archive link.
 *     - if the flag DC_GCL_NO_SPECIALS is set, deaddrop and archive link are not added
- *       to the list (may be used e.g. for selecting chats on forwarding, the flag is
+ *       to the list (may be used eg. for selecting chats on forwarding, the flag is
 *       not needed when DC_GCL_ARCHIVED_ONLY is already set)
 *     - if the flag DC_GCL_ADD_ALLDONE_HINT is set, DC_CHAT_ID_ALLDONE_HINT
 *       is added as needed.
@@ -716,7 +722,7 @@ uint32_t        dc_create_chat_by_msg_id     (dc_context_t* context, uint32_t ms
 * see dc_create_group_chat().
 *
 * If a chat already exists, this ID is returned, otherwise a new chat is created;
- * this new chat may already contain messages, e.g. from the deaddrop, to get the
+ * this new chat may already contain messages, eg. from the deaddrop, to get the
 * chat messages, use dc_get_chat_msgs().
 *
 * @memberof dc_context_t
@@ -795,7 +801,7 @@ uint32_t        dc_prepare_msg               (dc_context_t* context, uint32_t ch
 *
 * Sends the event #DC_EVENT_MSGS_CHANGED on succcess.
 * However, this does not imply, the message really reached the recipient -
- * sending may be delayed e.g. due to network problems. However, from your
+ * sending may be delayed eg. due to network problems. However, from your
 * view, you're done with the message. Sooner or later it will find its way.
 *
 * Example:
@@ -852,7 +858,7 @@ uint32_t        dc_send_msg_sync                  (dc_context_t* context, uint32
 *
 * Sends the event #DC_EVENT_MSGS_CHANGED on succcess.
 * However, this does not imply, the message really reached the recipient -
- * sending may be delayed e.g. due to network problems. However, from your
+ * sending may be delayed eg. due to network problems. However, from your
 * view, you're done with the message. Sooner or later it will find its way.
 *
 * See also dc_send_msg().
@@ -883,7 +889,7 @@ uint32_t        dc_send_text_msg             (dc_context_t* context, uint32_t ch
 *   and a url that can be opened in a supported browser to join the videochat
 *
 * - delta-clients can get all information needed from
- *   the message object, using e.g.
+ *   the message object, using eg.
 *   dc_msg_get_videochat_url() and check dc_msg_get_viewtype() for #DC_MSG_VIDEOCHAT_INVITATION
 *
 * dc_send_videochat_invitation() is blocking and may take a while,
@@ -892,9 +898,9 @@ uint32_t        dc_send_text_msg             (dc_context_t* context, uint32_t ch
 * for this purpose, the function returns the message-id directly.
 *
 * As for other messages sent, this function
- * sends the event #DC_EVENT_MSGS_CHANGED on success, the message has a delivery state, and so on.
+ * sends the event #DC_EVENT_MSGS_CHANGED on succcess, the message has a delivery state, and so on.
 * The recipient will get noticed by the call as usual by #DC_EVENT_INCOMING_MSG or #DC_EVENT_MSGS_CHANGED,
- * However, UIs might some things differently, e.g. play a different sound.
+ * However, UIs might some things differently, eg. play a different sound.
 *
 * @memberof dc_context_t
 * @param context The context object
@@ -915,7 +921,7 @@ uint32_t dc_send_videochat_invitation (dc_context_t* context, uint32_t chat_id);
 * allowing the user to continue editing and sending.
 *
 * Drafts are considered when sorting messages
- * and are also returned e.g. by dc_chatlist_get_summary().
+ * and are also returned eg. by dc_chatlist_get_summary().
 *
 * Each chat can have its own draft but only one draft per chat is possible.
 *
@@ -1163,7 +1169,7 @@ uint32_t        dc_get_next_media            (dc_context_t* context, uint32_t ms
 * @param context The context object as returned from dc_context_new().
 * @param chat_id The ID of the chat to change the protection for.
 * @param protect 1=protect chat, 0=unprotect chat
- * @return 1=success, 0=error, e.g. some members may be unverified
+ * @return 1=success, 0=error, eg. some members may be unverified
 */
 int             dc_set_chat_protection       (dc_context_t* context, uint32_t chat_id, int protect);

@@ -1418,7 +1424,7 @@ int             dc_set_chat_profile_image    (dc_context_t* context, uint32_t ch
 /**
 * Set mute duration of a chat.
 *
- * The UI can then call dc_chat_is_muted() when receiving a new message to decide whether it should trigger an notification.
+ * The ui can then call dc_chat_is_muted() when receiving a new message to decide whether it should trigger an notification.
 *
 * Sends out #DC_EVENT_CHAT_MODIFIED.
 *
@@ -1434,7 +1440,7 @@ int             dc_set_chat_mute_duration             (dc_context_t* context, ui

 /**
 * Get an informational text for a single message. The text is multiline and may
- * contain e.g. the raw text of the message.
+ * contain eg. the raw text of the message.
 *
 * The max. text returned is typically longer (about 100000 characters) than the
 * max. text returned by dc_msg_get_text() (about 30000 characters).
@@ -1458,7 +1464,7 @@ char*           dc_get_msg_info              (dc_context_t* context, uint32_t ms
 * @param msg_id The message id, must be the id of an incoming message.
 * @return Raw headers as a multi-line string, must be released using dc_str_unref() after usage.
 *     Returns NULL if there are no headers saved for the given message,
- *     e.g. because of save_mime_headers is not set
+ *     eg. because of save_mime_headers is not set
 *     or the message is not incoming.
 */
 char*           dc_get_mime_headers          (dc_context_t* context, uint32_t msg_id);
@@ -1506,7 +1512,7 @@ void            dc_marknoticed_contact       (dc_context_t* context, uint32_t co

 /**
 * Mark a message as _seen_, updates the IMAP state and
- * sends MDNs. If the message is not in a real chat (e.g. a contact request), the
+ * sends MDNs. If the message is not in a real chat (eg. a contact request), the
 * message is only marked as NOTICED and no IMAP/MDNs is done.  See also
 * dc_marknoticed_chat() and dc_marknoticed_contact()
 *
@@ -1680,7 +1686,7 @@ 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 eg. to compare the fingerprints for a simple out-of-band verification.
 *
 * @memberof dc_context_t
 * @param context The context object.
@@ -1705,7 +1711,7 @@ int             dc_delete_contact            (dc_context_t* context, uint32_t co


 /**
- * Get a single contact object.  For a list, see e.g. dc_get_contacts().
+ * Get a single contact object.  For a list, see eg. dc_get_contacts().
 *
 * For contact DC_CONTACT_ID_SELF (1), the function returns sth.
 * like "Me" in the selected language and the email address
@@ -1774,7 +1780,7 @@ void            dc_imex                      (dc_context_t* context, int what, c

 /**
 * Check if there is a backup file.
- * May only be used on fresh installations (e.g. dc_is_configured() returns 0).
+ * May only be used on fresh installations (eg. dc_is_configured() returns 0).
 *
 * Example:
 *
@@ -1867,7 +1873,7 @@ char*           dc_imex_has_backup           (dc_context_t* context, const char*
 * @memberof dc_context_t
 * @param context The context object.
 * @return The setup code. Must be released using dc_str_unref() after usage.
- *     On errors, e.g. if the message could not be sent, NULL is returned.
+ *     On errors, eg. if the message could not be sent, NULL is returned.
 */
 char*           dc_initiate_key_transfer     (dc_context_t* context);

@@ -1890,7 +1896,7 @@ char*           dc_initiate_key_transfer     (dc_context_t* context);
 *     There is no need to format the string correctly, the function will remove all spaces and other characters and
 *     insert the `-` characters at the correct places.
 * @return 1=key successfully decrypted and imported; both devices will use the same key now;
- *     0=key transfer failed e.g. due to a bad setup code.
+ *     0=key transfer failed eg. due to a bad setup code.
 */
 int             dc_continue_key_transfer     (dc_context_t* context, uint32_t msg_id, const char* setup_code);

@@ -1961,7 +1967,7 @@ 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.
 * The QR code is compatible to the OPENPGP4FPR format
- * so that a basic fingerprint comparison also works e.g. with OpenKeychain.
+ * so that a basic fingerprint comparison also works eg. with OpenKeychain.
 *
 * The scanning device will pass the scanned content to dc_check_qr() then;
 * if dc_check_qr() returns DC_QR_ASK_VERIFYCONTACT or DC_QR_ASK_VERIFYGROUP
@@ -2242,7 +2248,7 @@ void           dc_accounts_unref                (dc_accounts_t* accounts);
 * Internally, dc_context_new() is called using a unique database-name
 * in the directory specified at dc_accounts_new().
 *
- * If the function succeeds,
+ * If the function succceeds,
 * dc_accounts_get_all() will return one more account
 * and you can access the newly created account using dc_accounts_get_account().
 * Moreover, the newly created account will be the selected one.
@@ -2271,7 +2277,7 @@ uint32_t       dc_accounts_import_account       (dc_accounts_t* accounts, const


 /**
- * Migrate independent accounts into accounts managed by the account manager.
+ * Migrate independent accounts into accounts managed by the account mangager.
 * This will _move_ the database-file and all blob-files to the directory managed
 * by the account-manager
 * (to save disk-space on small devices, the files are not _copied_
@@ -2295,10 +2301,9 @@ uint32_t       dc_accounts_migrate_account      (dc_accounts_t* accounts, const
 *
 * @memberof dc_accounts_t
 * @param accounts Account manager as created by dc_accounts_new().
- * @param account_id The account-id as returned e.g. by dc_accounts_add_account().
 * @return 1=success, 0=error
 */
-int            dc_accounts_remove_account       (dc_accounts_t* accounts, uint32_t account_id);
+int            dc_accounts_remove_account       (dc_accounts_t* accounts, uint32_t);


 /**
@@ -2317,7 +2322,7 @@ dc_array_t*    dc_accounts_get_all              (dc_accounts_t* accounts);
 *
 * @memberof dc_accounts_t
 * @param accounts Account manager as created by dc_accounts_new().
- * @param account_id The account-id as returned e.g. by dc_accounts_get_all() or dc_accounts_add_account().
+ * @param account_id The account-id as returned eg. by dc_accounts_get_all() or dc_accounts_add_account().
 * @return The account-context, this can be used most similar as a normal,
 *     unmanaged account-context as created by dc_context_new().
 *     Once you do no longer need the context-object, you have to call dc_context_unref() on it,
@@ -2348,7 +2353,7 @@ dc_context_t*  dc_accounts_get_selected_account (dc_accounts_t* accounts);
 *
 * @memberof dc_accounts_t
 * @param accounts Account manager as created by dc_accounts_new().
- * @param account_id The account-id as returned e.g. by dc_accounts_get_all() or dc_accounts_add_account().
+ * @param account_id The account-id as returned eg. by dc_accounts_get_all() or dc_accounts_add_account().
 * @return 1=success, 0=error
 */
 int            dc_accounts_select_account       (dc_accounts_t* accounts, uint32_t account_id);
@@ -2368,6 +2373,7 @@ void           dc_accounts_start_io             (dc_accounts_t* accounts);

 /**
 * Stop job and IMAP/SMTP tasks for all accounts and return when they are finished.
+ * If IO is not running, nothing happens.
 * This is similar to dc_stop_io(), which, however,
 * must not be called for accounts handled by the account manager.
 *
@@ -2426,7 +2432,7 @@ dc_accounts_event_emitter_t* dc_accounts_get_event_emitter (dc_accounts_t* accou
 *
 * @memberof dc_array_t
 * @param array The array object to free,
- *     created e.g. by dc_get_chatlist(), dc_get_contacts() and so on.
+ *     created eg. by dc_get_chatlist(), dc_get_contacts() and so on.
 *     If NULL is given, nothing is done.
 */
 void             dc_array_unref              (dc_array_t* array);
@@ -2624,7 +2630,7 @@ int              dc_array_search_id          (const dc_array_t* array, uint32_t
 * Free a chatlist object.
 *
 * @memberof dc_chatlist_t
- * @param chatlist The chatlist object to free, created e.g. by dc_get_chatlist(), dc_search_msgs().
+ * @param chatlist The chatlist object to free, created eg. by dc_get_chatlist(), dc_search_msgs().
 *     If NULL is given, nothing is done.
 */
 void             dc_chatlist_unref           (dc_chatlist_t* chatlist);
@@ -2634,7 +2640,7 @@ void             dc_chatlist_unref           (dc_chatlist_t* chatlist);
 * Find out the number of chats in a chatlist.
 *
 * @memberof dc_chatlist_t
- * @param chatlist The chatlist object as created e.g. by dc_get_chatlist().
+ * @param chatlist The chatlist object as created eg. by dc_get_chatlist().
 * @return Returns the number of items in a dc_chatlist_t object. 0 on errors or if the list is empty.
 */
 size_t           dc_chatlist_get_cnt         (const dc_chatlist_t* chatlist);
@@ -2646,7 +2652,7 @@ size_t           dc_chatlist_get_cnt         (const dc_chatlist_t* chatlist);
 * To get the message object from the message ID, use dc_get_chat().
 *
 * @memberof dc_chatlist_t
- * @param chatlist The chatlist object as created e.g. by dc_get_chatlist().
+ * @param chatlist The chatlist object as created eg. by dc_get_chatlist().
 * @param index The index to get the chat ID for.
 * @return Returns the chat_id of the item at the given index.  Index must be between
 *     0 and dc_chatlist_get_cnt()-1.
@@ -2660,10 +2666,10 @@ uint32_t         dc_chatlist_get_chat_id     (const dc_chatlist_t* chatlist, siz
 * To get the message object from the message ID, use dc_get_msg().
 *
 * @memberof dc_chatlist_t
- * @param chatlist The chatlist object as created e.g. by dc_get_chatlist().
+ * @param chatlist The chatlist object as created eg. by dc_get_chatlist().
 * @param index The index to get the chat ID for.
 * @return Returns the message_id of the item at the given index.  Index must be between
- *     0 and dc_chatlist_get_cnt()-1.  If there is no message at the given index (e.g. the chat may be empty), 0 is returned.
+ *     0 and dc_chatlist_get_cnt()-1.  If there is no message at the given index (eg. the chat may be empty), 0 is returned.
 */
 uint32_t         dc_chatlist_get_msg_id      (const dc_chatlist_t* chatlist, size_t index);

@@ -2681,14 +2687,14 @@ uint32_t         dc_chatlist_get_msg_id      (const dc_chatlist_t* chatlist, siz
 *   Typically used to show dc_lot_t::text1 with different colors. 0 if not applicable.
 *
 * - dc_lot_t::text2: contains an excerpt of the message text or strings as
- *   "No messages".  May be NULL of there is no such text (e.g. for the archive link)
+ *   "No messages".  May be NULL of there is no such text (eg. for the archive link)
 *
 * - dc_lot_t::timestamp: the timestamp of the message.  0 if not applicable.
 *
 * - dc_lot_t::state: The state of the message as one of the DC_STATE_* constants (see #dc_msg_get_state()).  0 if not applicable.
 *
 * @memberof dc_chatlist_t
- * @param chatlist The chatlist to query as returned e.g. from dc_get_chatlist().
+ * @param chatlist The chatlist to query as returned eg. from dc_get_chatlist().
 * @param index The index to query in the chatlist.
 * @param chat To speed up things, pass an already available chat object here.
 *     If the chat object is not yet available, it is faster to pass NULL.
@@ -2705,7 +2711,7 @@ dc_lot_t*        dc_chatlist_get_summary     (const dc_chatlist_t* chatlist, siz
 * as arguments. The chatlist object itself is not needed directly.
 *
 * This maybe useful if you convert the complete object into a different represenation
- * as done e.g. in the node-bindings.
+ * as done eg. in the node-bindings.
 * If you have access to the chatlist object in some way, using this function is not recommended,
 * use dc_chatlist_get_summary() in this case instead.
 *
@@ -2730,9 +2736,9 @@ dc_context_t*    dc_chatlist_get_context     (dc_chatlist_t* chatlist);


 /**
- * Get info summary for a chat, in JSON format.
+ * Get info summary for a chat, in json format.
 *
- * The returned JSON string has the following key/values:
+ * The returned json string has the following key/values:
 *
 * id: chat id
 * name: chat/group name
@@ -2743,7 +2749,7 @@ dc_context_t*    dc_chatlist_get_context     (dc_chatlist_t* chatlist);
 * 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.
+ * @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);

@@ -2751,7 +2757,7 @@ char*            dc_chat_get_info_json       (dc_context_t* context, size_t chat
 * @class dc_chat_t
 *
 * An object representing a single chat in memory.
- * Chat objects are created using e.g. dc_get_chat()
+ * Chat objects are created using eg. dc_get_chat()
 * and are not updated on database changes;
 * if you want an update, you have to recreate the object.
 */
@@ -2773,7 +2779,7 @@ char*            dc_chat_get_info_json       (dc_context_t* context, size_t chat
 * Free a chat object.
 *
 * @memberof dc_chat_t
- * @param chat Chat object are returned e.g. by dc_get_chat().
+ * @param chat Chat object are returned eg. by dc_get_chat().
 *     If NULL is given, nothing is done.
 */
 void            dc_chat_unref                (dc_chat_t* chat);
@@ -2816,7 +2822,7 @@ int             dc_chat_get_type             (const dc_chat_t* chat);

 /**
 * Get name of a chat. For one-to-one chats, this is the name of the contact.
- * For group chats, this is the name given e.g. to dc_create_group_chat() or
+ * For group chats, this is the name given eg. to dc_create_group_chat() or
 * received by a group-creation message.
 *
 * To change the name, use dc_set_chat_name()
@@ -2909,7 +2915,7 @@ int             dc_chat_is_self_talk         (const dc_chat_t* chat);
 * Device-talks contain update information
 * and some hints that are added during the program runs, multi-device etc.
 *
- * From the UI view, device-talks are not very special,
+ * From the ui view, device-talks are not very special,
 * the user can delete and forward messages, archive the chat, set notifications etc.
 *
 * Messages can be added to the device-talk using dc_add_device_msg()
@@ -2923,10 +2929,10 @@ int             dc_chat_is_device_talk       (const dc_chat_t* chat);

 /**
 * Check if messages can be sent to a give chat.
- * This is not true e.g. for the deaddrop or for the device-talk, cmp. dc_chat_is_device_talk().
+ * This is not true eg. for the deaddrop or for the device-talk, cmp. dc_chat_is_device_talk().
 *
 * Calling dc_send_msg() for these chats will fail
- * and the UI may decide to hide input controls therefore.
+ * and the ui may decide to hide input controls therefore.
 *
 * @memberof dc_chat_t
 * @param chat The chat object.
@@ -3012,8 +3018,8 @@ int64_t          dc_chat_get_remaining_mute_duration (const dc_chat_t* chat);


 /**
- * Create new message object. Message objects are needed e.g. for sending messages using
- * dc_send_msg().  Moreover, they are returned e.g. from dc_get_msg(),
+ * Create new message object. Message objects are needed eg. for sending messages using
+ * dc_send_msg().  Moreover, they are returned eg. from dc_get_msg(),
 * set up with the current state of a message. The message object is not updated;
 * to achieve this, you have to recreate it.
 *
@@ -3027,7 +3033,7 @@ dc_msg_t*       dc_msg_new                    (dc_context_t* context, int viewty


 /**
- * Free a message object. Message objects are created e.g. by dc_get_msg().
+ * Free a message object. Message objects are created eg. by dc_get_msg().
 *
 * @memberof dc_msg_t
 * @param msg The message object to free.
@@ -3109,12 +3115,12 @@ int             dc_msg_get_viewtype           (const dc_msg_t* msg);
 *   If a sent message changes to this state, you'll receive the event #DC_EVENT_MSG_READ.
 *   Also messages already read by some recipients
 *   may get into the state DC_STATE_OUT_FAILED at a later point,
- *   e.g. when in a group, delivery fails for some recipients.
+ *   eg. when in a group, delivery fails for some recipients.
 *
 * If you just want to check if a message is sent or not, please use dc_msg_is_sent() which regards all states accordingly.
 *
 * The state of just created message objects is DC_STATE_UNDEFINED (0).
- * The state is always set by the core-library, users of the library cannot set the state directly, but it is changed implicitly e.g.
+ * The state is always set by the core-library, users of the library cannot set the state directly, but it is changed implicitly eg.
 * when calling  dc_marknoticed_chat() or dc_markseen_msgs().
 *
 * @memberof dc_msg_t
@@ -3128,7 +3134,7 @@ int             dc_msg_get_state              (const dc_msg_t* msg);
 * Get message sending time.
 * The sending time is returned as a unix timestamp in seconds.
 *
- * Note that the message lists returned e.g. by dc_get_chat_msgs()
+ * Note that the message lists returned eg. by dc_get_chat_msgs()
 * are not sorted by the _sending_ time but by the _receiving_ time.
 * This ensures newly received messages always pop up at the end of the list,
 * however, for delayed messages, the correct sending time will be displayed.
@@ -3160,7 +3166,7 @@ int64_t          dc_msg_get_received_timestamp (const dc_msg_t* msg);
 /**
 * Get message time used for sorting.
 * This function returns the timestamp that is used for sorting the message
- * into lists as returned e.g. by dc_get_chat_msgs().
+ * into lists as returned eg. by dc_get_chat_msgs().
 * This may be the reveived time, the sending time or another time.
 *
 * To get the receiving time, use dc_msg_get_received_timestamp().
@@ -3183,7 +3189,7 @@ int64_t          dc_msg_get_sort_timestamp     (const dc_msg_t* msg);
 * it does not make sense to show more text in the message list and typical controls
 * will have problems with showing much more text.
 * This max. length is to avoid passing _lots_ of data to the frontend which may
- * result e.g. from decoding errors (assume some bytes missing in a mime structure, forcing
+ * result eg. from decoding errors (assume some bytes missing in a mime structure, forcing
 * an attachment to be plain text).
 *
 * To get information about the message and more/raw text, use dc_get_msg_info().
@@ -3241,7 +3247,7 @@ char*           dc_msg_get_filemime           (const dc_msg_t* msg);
 * Get the size of the file.  Returns the size of the file associated with a
 * message, if applicable.
 *
- * Typically, this is used to show the size of document messages, e.g. a PDF.
+ * Typically, this is used to show the size of document messages, eg. a PDF.
 *
 * @memberof dc_msg_t
 * @param msg The message object.
@@ -3440,7 +3446,7 @@ int             dc_msg_is_forwarded           (const dc_msg_t* msg);
 * Check if the message is an informational message, created by the
 * device or by another users. Such messages are not "typed" by the user but
 * created due to other actions,
- * e.g. dc_set_chat_name(), dc_set_chat_profile_image(), dc_set_chat_protection()
+ * eg. dc_set_chat_name(), dc_set_chat_profile_image(), dc_set_chat_protection()
 * or dc_add_contact_to_chat().
 *
 * These messages are typically shown in the center of the chat view,
@@ -3459,7 +3465,7 @@ int             dc_msg_is_info                (const dc_msg_t* msg);
 /**
 * Get the type of an informational message.
 * If dc_msg_is_info() returns 1, this function returns the type of the informational message.
- * UIs can display e.g. an icon based upon the type.
+ * UIs can display eg. an icon based upon the type.
 *
 * Currently, the following types are defined:
 * - DC_INFO_PROTECTION_ENABLED (11) - Info-message for "Chat is now protected"
@@ -3500,7 +3506,7 @@ int             dc_msg_is_increation          (const dc_msg_t* msg);
 /**
 * Check if the message is an Autocrypt Setup Message.
 *
- * Setup messages should be shown in an unique way e.g. using a different text color.
+ * Setup messages should be shown in an unique way eg. using a different text color.
 * On a click or another action, the user should be prompted for the setup code
 * which is forwarded to dc_continue_key_transfer() then.
 *
@@ -3742,7 +3748,7 @@ char*           dc_msg_get_quoted_text        (const dc_msg_t* msg);
 * To check if a message has a quote, use dc_msg_get_quoted_text().
 *
 * To display the quote in the chat, use dc_msg_get_quoted_text() as a primary source,
- * however, one might add information from the message object (e.g. an image).
+ * however, one might add information from the message object (eg. an image).
 *
 * It is not guaranteed that the message belong to the same chat.
 *
@@ -3768,7 +3774,7 @@ dc_msg_t*       dc_msg_get_quoted_msg         (const dc_msg_t* msg);
 * authorized-name and given-name.
 * By default, these names are equal,
 * but functions working with contact names
- * (e.g. dc_contact_get_name(), dc_contact_get_display_name(),
+ * (eg. dc_contact_get_name(), dc_contact_get_display_name(),
 * dc_contact_get_name_n_addr(), dc_contact_get_first_name(),
 * dc_create_contact() or dc_add_address_book())
 * only affect the given-name.
@@ -3785,7 +3791,7 @@ dc_msg_t*       dc_msg_get_quoted_msg         (const dc_msg_t* msg);
 * Free a contact object.
 *
 * @memberof dc_contact_t
- * @param contact The contact object as created e.g. by dc_get_contact().
+ * @param contact The contact object as created eg. by dc_get_contact().
 *     If NULL is given, nothing is done.
 */
 void            dc_contact_unref             (dc_contact_t* contact);
@@ -3849,7 +3855,7 @@ char*           dc_contact_get_display_name  (const dc_contact_t* contact);
 * "email@domain.com" if the name is unset.
 *
 * The summary is typically used when asking the user something about the contact.
- * The attached email address makes the question unique, e.g. "Chat with Alan Miller (am@uniquedomain.com)?"
+ * The attached email address makes the question unique, eg. "Chat with Alan Miller (am@uniquedomain.com)?"
 *
 * @memberof dc_contact_t
 * @param contact The contact object.
@@ -3965,9 +3971,9 @@ char*           dc_provider_get_overview_page         (const dc_provider_t* prov
 /**
 * Get hints to be shown to the user on the login screen.
 * Depending on the @ref DC_PROVIDER_STATUS returned by dc_provider_get_status(),
- * the UI may want to highlight the hint.
+ * the ui may want to highlight the hint.
 *
- * Moreover, the UI should display a "More information" link
+ * Moreover, the ui should display a "More information" link
 * that forwards to the url returned by dc_provider_get_overview_page().
 *
 * @memberof dc_provider_t
@@ -4007,7 +4013,7 @@ void            dc_provider_unref                     (dc_provider_t* provider);
 * An object containing a set of values.
 * The meaning of the values is defined by the function returning the object.
 * Lot objects are created
- * e.g. by dc_chatlist_get_summary() or dc_msg_get_summary().
+ * eg. by dc_chatlist_get_summary() or dc_msg_get_summary().
 *
 * NB: _Lot_ is used in the meaning _heap_ here.
 */
@@ -4021,7 +4027,7 @@ void            dc_provider_unref                     (dc_provider_t* provider);
 /**
 * Frees an object containing a set of parameters.
 * If the set object contains strings, the strings are also freed with this function.
- * Set objects are created e.g. by dc_chatlist_get_summary() or dc_msg_get_summary().
+ * Set objects are created eg. by dc_chatlist_get_summary() or dc_msg_get_summary().
 *
 * @memberof dc_lot_t
 * @param lot The object to free.
@@ -4055,7 +4061,7 @@ char*           dc_lot_get_text2         (const dc_lot_t* lot);


 /**
- * Get the meaning of the first string.  Posssible meanings of the string are defined by the creator of the object and may be returned e.g.
+ * Get the meaning of the first string.  Posssible meanings of the string are defined by the creator of the object and may be returned eg.
 * as DC_TEXT1_DRAFT, DC_TEXT1_USERNAME or DC_TEXT1_SELF.
 *
 * @memberof dc_lot_t
@@ -4105,9 +4111,9 @@ int64_t          dc_lot_get_timestamp     (const dc_lot_t* lot);
 *
 * From the view of the library,
 * all types are primary types of the same level,
- * e.g. the library does not regard #DC_MSG_GIF as a subtype for #DC_MSG_IMAGE
+ * eg. the library does not regard #DC_MSG_GIF as a subtype for #DC_MSG_IMAGE
 * and it's up to the UI to decide whether a GIF is shown
- * e.g. in an IMAGE or in a VIDEO container.
+ * eg. in an IMAGE or in a VIDEO container.
 *
 * If you want to define the type of a dc_msg_t object for sending,
 * use dc_msg_new().
@@ -4146,7 +4152,7 @@ int64_t          dc_lot_get_timestamp     (const dc_lot_t* lot);

 /**
 * Message containing a sticker, similar to image.
- * If possible, the UI should display the image without borders in a transparent way.
+ * If possible, the ui should display the image without borders in a transparent way.
 * A click on a sticker will offer to install the sticker set in some future.
 */
 #define DC_MSG_STICKER     23
@@ -4181,7 +4187,7 @@ int64_t          dc_lot_get_timestamp     (const dc_lot_t* lot);


 /**
- * Message containing any file, e.g. a PDF.
+ * Message containing any file, eg. a PDF.
 * The file is set via dc_msg_set_file()
 * and retrieved via dc_msg_get_file().
 */
@@ -4193,7 +4199,7 @@ int64_t          dc_lot_get_timestamp     (const dc_lot_t* lot);
 * The message was created via dc_send_videochat_invitation() on this or a remote device.
 *
 * Typically, such messages are rendered differently by the UIs,
- * e.g. contain a button to join the videochat.
+ * eg. contain a button to join the videochat.
 * The url for joining can be retrieved using dc_msg_get_videochat_url().
 */
 #define DC_MSG_VIDEOCHAT_INVITATION 70
@@ -4327,7 +4333,7 @@ int64_t          dc_lot_get_timestamp     (const dc_lot_t* lot);
 * @return An event as an dc_event_t object.
 *     You can query the event for information using dc_event_get_id(), dc_event_get_data1_int() and so on;
 *     if you are done with the event, you have to free the event using dc_event_unref().
- *     If NULL is returned, the context belonging to the event emitter is unref'd and no more events will come;
+ *     If NULL is returned, the context belonging to the event emitter is unref'd and the no more events will come;
 *     in this case, free the event emitter using dc_event_emitter_unref().
 */
 dc_event_t* dc_get_next_event(dc_event_emitter_t* emitter);
@@ -4360,7 +4366,7 @@ void  dc_event_emitter_unref(dc_event_emitter_t* emitter);
 * @return An event as an dc_event_t object.
 *     You can query the event for information using dc_event_get_id(), dc_event_get_data1_int() and so on;
 *     if you are done with the event, you have to free the event using dc_event_unref().
- *     If NULL is returned, the contexts belonging to the event emitter are unref'd and no more events will come;
+ *     If NULL is returned, the context belonging to the event emitter is unref'd and the no more events will come;
 *     in this case, free the event emitter using dc_accounts_event_emitter_unref().
 */
 dc_event_t* dc_accounts_get_next_event (dc_accounts_event_emitter_t* emitter);
@@ -4482,7 +4488,7 @@ void dc_event_unref(dc_event_t* event);
 * This event should not be reported to the end-user using a popup or something like that.
 *
 * @param data1 0
- * @param data2 (char*) Info string in English language.
+ * @param data2 (char*) Info string in english language.
 */
 #define DC_EVENT_INFO                     100

@@ -4491,7 +4497,7 @@ void dc_event_unref(dc_event_t* event);
 * Emitted when SMTP connection is established and login was successful.
 *
 * @param data1 0
- * @param data2 (char*) Info string in English language.
+ * @param data2 (char*) Info string in english language.
 */
 #define DC_EVENT_SMTP_CONNECTED           101

@@ -4500,7 +4506,7 @@ void dc_event_unref(dc_event_t* event);
 * Emitted when IMAP connection is established and login was successful.
 *
 * @param data1 0
- * @param data2 (char*) Info string in English language.
+ * @param data2 (char*) Info string in english language.
 */
 #define DC_EVENT_IMAP_CONNECTED           102

@@ -4508,7 +4514,7 @@ void dc_event_unref(dc_event_t* event);
 * Emitted when a message was successfully sent to the SMTP server.
 *
 * @param data1 0
- * @param data2 (char*) Info string in English language.
+ * @param data2 (char*) Info string in english language.
 */
 #define DC_EVENT_SMTP_MESSAGE_SENT        103

@@ -4516,7 +4522,7 @@ void dc_event_unref(dc_event_t* event);
 * Emitted when a message was successfully marked as deleted on the IMAP server.
 *
 * @param data1 0
- * @param data2 (char*) Info string in English language.
+ * @param data2 (char*) Info string in english language.
 */
 #define DC_EVENT_IMAP_MESSAGE_DELETED   104

@@ -4524,7 +4530,7 @@ void dc_event_unref(dc_event_t* event);
 * Emitted when a message was successfully moved on IMAP.
 *
 * @param data1 0
- * @param data2 (char*) Info string in English language.
+ * @param data2 (char*) Info string in english language.
 */
 #define DC_EVENT_IMAP_MESSAGE_MOVED   105

@@ -4550,7 +4556,7 @@ void dc_event_unref(dc_event_t* event);
 * This event should not be reported to the end-user using a popup or something like that.
 *
 * @param data1 0
- * @param data2 (char*) Warning string in English language.
+ * @param data2 (char*) Warning string in english language.
 */
 #define DC_EVENT_WARNING                  300

@@ -4561,16 +4567,16 @@ void dc_event_unref(dc_event_t* event);
 * As most things are asynchronous, things may go wrong at any time and the user
 * should not be disturbed by a dialog or so.  Instead, use a bubble or so.
 *
- * However, for ongoing processes (e.g. dc_configure())
- * or for functions that are expected to fail (e.g. dc_continue_key_transfer())
+ * However, for ongoing processes (eg. dc_configure())
+ * or for functions that are expected to fail (eg. dc_continue_key_transfer())
 * it might be better to delay showing these events until the function has really
 * failed (returned false). It should be sufficient to report only the _last_ error
- * in a message box then.
+ * in a messasge box then.
 *
 * @param data1 0
 * @param data2 (char*) Error string, always set, never NULL.
 *     Some error strings are taken from dc_set_stock_translation(),
- *     however, most error strings will be in English language.
+ *     however, most error strings will be in english language.
 */
 #define DC_EVENT_ERROR                    400

@@ -4597,13 +4603,13 @@ void dc_event_unref(dc_event_t* event);

 /**
 * An action cannot be performed because the user is not in the group.
- * Reported e.g. after a call to
+ * Reported eg. after a call to
 * dc_set_chat_name(), dc_set_chat_profile_image(),
 * dc_add_contact_to_chat(), dc_remove_contact_from_chat(),
 * dc_send_text_msg() or another sending function.
 *
 * @param data1 0
- * @param data2 (char*) Info string in English language.
+ * @param data2 (char*) Info string in english language.
 */
 #define DC_EVENT_ERROR_SELF_NOT_IN_GROUP  410

@@ -4635,12 +4641,12 @@ void dc_event_unref(dc_event_t* event);

 /**
 * Messages were marked noticed or seen.
- * The UI may update badge counters or stop showing a chatlist-item with a bold font.
+ * The ui may update badge counters or stop showing a chatlist-item with a bold font.
 *
- * This event is emitted e.g. when calling dc_markseen_msgs(), dc_marknoticed_chat() or dc_marknoticed_contact()
+ * This event is emitted eg. when calling dc_markseen_msgs(), dc_marknoticed_chat() or dc_marknoticed_contact()
 * or when a chat is answered on another device.
 * Do not try to derive the state of an item from just the fact you received the event;
- * use e.g. dc_msg_get_state() or dc_get_fresh_msg_cnt() for this purpose.
+ * use eg. dc_msg_get_state() or dc_get_fresh_msg_cnt() for this purpose.
 *
 * @param data1 (int) chat_id
 * @param data2 0
@@ -4711,7 +4717,7 @@ void dc_event_unref(dc_event_t* event);
 *
 * @param data1 (int) contact_id of the contact for which the location has changed.
 *     If the locations of several contacts have been changed,
- *     e.g. after calling dc_delete_all_locations(), this parameter is set to 0.
+ *     eg. after calling dc_delete_all_locations(), this parameter is set to 0.
 * @param data2 0
 */
 #define DC_EVENT_LOCATION_CHANGED         2035
@@ -4826,7 +4832,7 @@ void dc_event_unref(dc_event_t* event);
 * works by just entering the name or the email-address.
 *
 * - There is no need for the user to do any special things
- *   (enable IMAP or so) in the provider's web interface or at other places.
+ *   (enable IMAP or so) in the provider's webinterface or at other places.
 * - There is no need for the user to enter advanced settings;
 *   server, port etc. are known by the core.
 *
@@ -4837,8 +4843,8 @@ void dc_event_unref(dc_event_t* event);
 /**
 * Provider works, but there are preparations needed.
 *
- * - The user has to do some special things as "Enable IMAP in the web interface",
- *   what exactly, is described in the string returned by dc_provider_get_before_login_hints()
+ * - The user has to do some special things as "Enable IMAP in the Webinterface",
+ *   what exactly, is described in the string returnd by dc_provider_get_before_login_hints()
 *   and, typically more detailed, in the page linked by dc_provider_get_overview_page().
 * - There is no need for the user to enter advanced settings;
 *   server, port etc. should be known by the core.
@@ -4851,7 +4857,7 @@ void dc_event_unref(dc_event_t* event);
 * Provider is not working.
 * This provider status is returned for providers
 * that are known to not work with Delta Chat.
- * The UI should block logging in with this provider.
+ * The ui should block logging in with this provider.
 *
 * More information about that is typically provided
 * in the string returned by dc_provider_get_before_login_hints()
@@ -4886,10 +4892,10 @@ void dc_event_unref(dc_event_t* event);
 /**
 * Archived chats are not included in the default chatlist returned by dc_get_chatlist().
 * Instead, if there are _any_ archived chats, the pseudo-chat
- * with the chat_id DC_CHAT_ID_ARCHIVED_LINK will be added at the end of the chatlist.
+ * with the chat_id DC_CHAT_ID_ARCHIVED_LINK will be added the the end of the chatlist.
 *
 * The UI typically shows a little icon or chats beside archived chats in the chatlist,
- * this is needed as e.g. the search will also return archived chats.
+ * this is needed as eg. the search will also return archived chats.
 *
 * If archived chats receive new messages, they become normal chats again.
 *
@@ -4909,7 +4915,7 @@ void dc_event_unref(dc_event_t* event);


 /*
- * TODO: Strings need some documentation about used placeholders.
+ * TODO: Strings need some doumentation about used placeholders.
 *
 * @defgroup DC_STR DC_STR
 *
@@ -4981,8 +4987,7 @@ void dc_event_unref(dc_event_t* event);
 #define DC_STR_ERROR_NO_NETWORK           87
 #define DC_STR_PROTECTION_ENABLED         88
 #define DC_STR_PROTECTION_DISABLED        89
-#define DC_STR_REPLY_NOUN                 90 /* e.g. "Reply", used in summaries, a noun, not a verb (not: "to reply") */
-#define DC_STR_SELF_DELETED_MSG_BODY      91
+#define DC_STR_REPLY_NOUN                 90 /* eg. "Reply", used in summaries, a noun, not a verb (not: "to reply") */

 /*
 * @}
--- a/deltachat-ffi/src/lib.rs
+++ b/deltachat-ffi/src/lib.rs
@@ -1727,15 +1727,13 @@ pub unsafe extern "C" fn dc_imex(

    let ctx = &*context;

-    if let Some(param1) = to_opt_string_lossy(param1) {
-        spawn(async move {
-            imex::imex(&ctx, what, &param1)
-                .await
-                .log_err(ctx, "IMEX failed")
-        });
-    } else {
-        eprintln!("dc_imex called without a valid directory");
-    }
+    let param1 = to_opt_string_lossy(param1);
+
+    spawn(async move {
+        imex::imex(&ctx, what, param1)
+            .await
+            .log_err(ctx, "IMEX failed")
+    });
 }

 #[no_mangle]
@@ -3008,11 +3006,6 @@ pub unsafe extern "C" fn dc_msg_set_quote(msg: *mut dc_msg_t, quote: *const dc_m
    let ffi_msg = &mut *msg;
    let ffi_quote = &*quote;

-    if ffi_msg.context != ffi_quote.context {
-        eprintln!("ignoring attempt to quote message from a different context");
-        return;
-    }
-
    block_on(async move {
        ffi_msg
            .message
--- a/examples/repl/cmdline.rs
+++ b/examples/repl/cmdline.rs
@@ -443,20 +443,20 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
        }
        "export-backup" => {
            let dir = dirs::home_dir().unwrap_or_default();
-            imex(&context, ImexMode::ExportBackup, &dir).await?;
+            imex(&context, ImexMode::ExportBackup, Some(&dir)).await?;
            println!("Exported to {}.", dir.to_string_lossy());
        }
        "import-backup" => {
            ensure!(!arg1.is_empty(), "Argument <backup-file> missing.");
-            imex(&context, ImexMode::ImportBackup, arg1).await?;
+            imex(&context, ImexMode::ImportBackup, Some(arg1)).await?;
        }
        "export-keys" => {
            let dir = dirs::home_dir().unwrap_or_default();
-            imex(&context, ImexMode::ExportSelfKeys, &dir).await?;
+            imex(&context, ImexMode::ExportSelfKeys, Some(&dir)).await?;
            println!("Exported to {}.", dir.to_string_lossy());
        }
        "import-keys" => {
-            imex(&context, ImexMode::ImportSelfKeys, arg1).await?;
+            imex(&context, ImexMode::ImportSelfKeys, Some(arg1)).await?;
        }
        "export-setup" => {
            let setup_code = create_setup_code(&context);
--- a/examples/repl/main.rs
+++ b/examples/repl/main.rs
@@ -197,12 +197,14 @@ const CHAT_COMMANDS: [&str; 27] = [
    "unpin",
    "delchat",
 ];
-const MESSAGE_COMMANDS: [&str; 6] = [
+const MESSAGE_COMMANDS: [&str; 8] = [
    "listmsgs",
    "msginfo",
    "listfresh",
    "forward",
    "markseen",
+    "star",
+    "unstar",
    "delmsg",
 ];
 const CONTACT_COMMANDS: [&str; 6] = [
--- a/python/src/deltachat/account.py
+++ b/python/src/deltachat/account.py
@@ -214,19 +214,6 @@ class Account(object):
        :param name: (optional) display name for this contact
        :returns: :class:`deltachat.contact.Contact` instance.
        """
-        (name, addr) = self.get_contact_addr_and_name(obj, name)
-        name = as_dc_charpointer(name)
-        addr = as_dc_charpointer(addr)
-        contact_id = lib.dc_create_contact(self._dc_context, name, addr)
-        return Contact(self, contact_id)
-
-    def get_contact(self, obj):
-        if isinstance(obj, Contact):
-            return obj
-        (_, addr) = self.get_contact_addr_and_name(obj)
-        return self.get_contact_by_addr(addr)
-
-    def get_contact_addr_and_name(self, obj, name=None):
        if isinstance(obj, Account):
            if not obj.is_configured():
                raise ValueError("can only add addresses from configured accounts")
@@ -242,7 +229,13 @@ class Account(object):

        if name is None and displayname:
            name = displayname
-        return (name, addr)
+        return self._create_contact(addr, name)
+
+    def _create_contact(self, addr, name):
+        addr = as_dc_charpointer(addr)
+        name = as_dc_charpointer(name)
+        contact_id = lib.dc_create_contact(self._dc_context, name, addr)
+        return Contact(self, contact_id)

    def delete_contact(self, contact):
        """ delete a Contact.
--- a/python/src/deltachat/chat.py
+++ b/python/src/deltachat/chat.py
@@ -371,7 +371,7 @@ class Chat(object):
        :raises ValueError: if contact could not be removed
        :returns: None
        """
-        contact = self.account.get_contact(obj)
+        contact = self.account.create_contact(obj)
        ret = lib.dc_remove_contact_from_chat(self.account._dc_context, self.id, contact.id)
        if ret != 1:
            raise ValueError("could not remove contact {!r} from chat".format(contact))
--- a/python/src/deltachat/events.py
+++ b/python/src/deltachat/events.py
@@ -103,14 +103,6 @@ class FFIEventTracker:
            if rex.search(ev.data2):
                return ev

-    def get_info_regex_groups(self, regex, check_error=True):
-        rex = re.compile(regex)
-        while 1:
-            ev = self.get_matching("DC_EVENT_INFO", check_error=check_error)
-            m = rex.match(ev.data2)
-            if m is not None:
-                return m.groups()
-
    def ensure_event_not_queued(self, event_name_regex):
        __tracebackhide__ = True
        rex = re.compile("(?:{}).*".format(event_name_regex))
--- a/python/src/deltachat/testplugin.py
+++ b/python/src/deltachat/testplugin.py
@@ -330,13 +330,6 @@ def acfactory(pytestconfig, tmpdir, request, session_liveconfig, data):
            return accounts

        def clone_online_account(self, account, pre_generated_key=True):
-            """ Clones addr, mail_pw, mvbox_watch, mvbox_move, sentbox_watch and the
-            direct_imap object of an online account. This simulates the user setting
-            up a new device without importing a backup.
-
-            `pre_generated_key` only means that a key from python/tests/data/key is
-            used in order to speed things up.
-            """
            self.live_count += 1
            tmpdb = tmpdir.join("livedb%d" % self.live_count)
            ac = self.make_account(tmpdb.strpath, logid="ac{}".format(self.live_count))
@@ -510,9 +503,6 @@ def lp():
        def step(self, msg):
            print("-" * 5, "step " + msg, "-" * 5)

-        def indent(self, msg):
-            print("  " + msg)
-
    return Printer()


--- a/python/tests/test_account.py
+++ b/python/tests/test_account.py
@@ -288,28 +288,6 @@ class TestOfflineChat:
        qr = chat.get_join_qr()
        assert ac2.check_qr(qr).is_ask_verifygroup

-    def test_removing_blocked_user_from_group(self, ac1, lp):
-        """
-        Test that blocked contact is not unblocked when removed from a group.
-        See https://github.com/deltachat/deltachat-core-rust/issues/2030
-        """
-        lp.sec("Create a group chat with a contact")
-        contact = ac1.create_contact("some1@example.org")
-        group = ac1.create_group_chat("title", contacts=[contact])
-        group.send_text("First group message")
-
-        lp.sec("ac1 blocks contact")
-        contact.block()
-        assert contact.is_blocked()
-
-        lp.sec("ac1 removes contact from their group")
-        group.remove_contact(contact)
-        assert contact.is_blocked()
-
-        lp.sec("ac1 adding blocked contact unblocks it")
-        group.add_contact(contact)
-        assert not contact.is_blocked()
-
    def test_get_set_profile_image_simple(self, ac1, data):
        chat = ac1.create_group_chat(name="title1")
        p = data.get_path("d.png")
@@ -668,7 +646,7 @@ class TestOnlineAccount:
        except Exception:
            pass

-    def test_export_import_self_keys(self, acfactory, tmpdir, lp):
+    def test_export_import_self_keys(self, acfactory, tmpdir):
        ac1, ac2 = acfactory.get_two_online_accounts()

        dir = tmpdir.mkdir("exportdir")
@@ -676,17 +654,8 @@ class TestOnlineAccount:
        assert len(export_files) == 2
        for x in export_files:
            assert x.startswith(dir.strpath)
-        key_id, = ac1._evtracker.get_info_regex_groups(r".*xporting.*KeyId\((.*)\).*")
        ac1._evtracker.consume_events()
-
-        lp.sec("exported keys (private and public)")
-        for name in os.listdir(dir.strpath):
-            lp.indent(dir.strpath + os.sep + name)
-        lp.sec("importing into existing account")
        ac2.import_self_keys(dir.strpath)
-        key_id2, = ac2._evtracker.get_info_regex_groups(
-            r".*stored.*KeyId\((.*)\).*", check_error=False)
-        assert key_id2 == key_id

    def test_one_account_send_bcc_setting(self, acfactory, lp):
        ac1 = acfactory.get_online_configuring_account()
@@ -969,30 +938,6 @@ class TestOnlineAccount:
        except queue.Empty:
            pass  # mark_seen_messages() has generated events before it returns

-    def test_reply_privately(self, acfactory):
-        ac1, ac2 = acfactory.get_two_online_accounts()
-
-        group1 = ac1.create_group_chat("group")
-        group1.add_contact(ac2)
-        group1.send_text("hello")
-
-        msg2 = ac2._evtracker.wait_next_messages_changed()
-        group2 = msg2.create_chat()
-        assert group2.get_name() == group1.get_name()
-
-        msg_reply = Message.new_empty(ac2, "text")
-        msg_reply.set_text("message reply")
-        msg_reply.quote = msg2
-
-        private_chat1 = ac1.create_chat(ac2)
-        private_chat2 = ac2.create_chat(ac1)
-        private_chat2.send_msg(msg_reply)
-
-        msg_reply1 = ac1._evtracker.wait_next_incoming_message()
-        assert msg_reply1.quoted_text == "hello"
-        assert not msg_reply1.chat.is_group()
-        assert msg_reply1.chat.id == private_chat1.id
-
    def test_mdn_asymetric(self, acfactory, lp):
        ac1, ac2 = acfactory.get_two_online_accounts(move=True)

@@ -1161,8 +1106,8 @@ class TestOnlineAccount:
        # Majority prefers encryption now
        assert msg5.is_encrypted()

-    def test_quote_encrypted(self, acfactory, lp):
-        """Test that replies to encrypted messages with quotes are encrypted."""
+    def test_reply_encrypted(self, acfactory, lp):
+        """Test that replies to encrypted messages are encrypted."""
        ac1, ac2 = acfactory.get_two_online_accounts()

        lp.sec("ac1: create chat with ac2")
@@ -1211,39 +1156,6 @@ class TestOnlineAccount:
            assert msg_in.quoted_text == quoted_msg.text
            assert msg_in.is_encrypted() == quoted_msg.is_encrypted()

-    def test_quote_attachment(self, tmpdir, acfactory, lp):
-        """Test that replies with an attachment and a quote are received correctly."""
-        ac1, ac2 = acfactory.get_two_online_accounts()
-
-        lp.sec("ac1 creates chat with ac2")
-        chat1 = ac1.create_chat(ac2)
-
-        lp.sec("ac1 sends text message to ac2")
-        chat1.send_text("hi")
-
-        lp.sec("ac2 receives contact request from ac1")
-        received_message = ac2._evtracker.wait_next_messages_changed()
-        assert received_message.text == "hi"
-
-        basename = "attachment.txt"
-        p = os.path.join(tmpdir.strpath, basename)
-        with open(p, "w") as f:
-            f.write("data to send")
-
-        lp.sec("ac2 sends a reply to ac1")
-        chat2 = received_message.create_chat()
-        reply = Message.new_empty(ac2, "file")
-        reply.set_text("message reply")
-        reply.set_file(p)
-        reply.quote = received_message
-        chat2.send_msg(reply)
-
-        lp.sec("ac1 receives a reply from ac2")
-        received_reply = ac1._evtracker.wait_next_incoming_message()
-        assert received_reply.text == "message reply"
-        assert received_reply.quoted_text == received_message.text
-        assert open(received_reply.filename).read() == "data to send"
-
    def test_saved_mime_on_received_message(self, acfactory, lp):
        ac1, ac2 = acfactory.get_two_online_accounts()

@@ -1609,7 +1521,7 @@ class TestOnlineAccount:

        lp.sec("ac1 blocks ac2")
        contact = ac1.create_contact(ac2)
-        contact.block()
+        contact.set_blocked()
        assert contact.is_blocked()
        ev = ac1._evtracker.get_matching("DC_EVENT_CONTACTS_CHANGED")
        assert ev.data1 == contact.id
@@ -2063,7 +1975,6 @@ class TestOnlineAccount:
        assert ac1.direct_imap.idle_wait_for_seen()

        ac1_clone = acfactory.clone_online_account(ac1)
-        ac1_clone.set_config("fetch_existing_msgs", "1")
        ac1_clone._configtracker.wait_finish()
        ac1_clone.start_io()

--- a/src/accounts.rs
+++ b/src/accounts.rs
@@ -188,7 +188,7 @@ impl Accounts {
        let id = self.add_account().await?;
        let ctx = self.get_account(id).await.expect("just added");

-        match crate::imex::imex(&ctx, crate::imex::ImexMode::ImportBackup, &file).await {
+        match crate::imex::imex(&ctx, crate::imex::ImexMode::ImportBackup, Some(file)).await {
            Ok(_) => Ok(id),
            Err(err) => {
                // remove temp account
--- a/src/blob.rs
+++ b/src/blob.rs
@@ -63,12 +63,6 @@ impl<'a> BlobObject<'a> {
                blobname: name.clone(),
                cause: err.into(),
            })?;
-
-        // workaround a bug in async-std
-        // (the executor does not handle blocking operation in Drop correctly,
-        // see https://github.com/async-rs/async-std/issues/900 )
-        let _ = file.flush().await;
-
        let blob = BlobObject {
            blobdir,
            name: format!("$BLOBDIR/{}", name),
@@ -157,10 +151,6 @@ impl<'a> BlobObject<'a> {
                cause: err,
            });
        }
-
-        // workaround, see create() for details
-        let _ = dst_file.flush().await;
-
        let blob = BlobObject {
            blobdir: context.get_blobdir(),
            name: format!("$BLOBDIR/{}", name),
--- a/src/chat.rs
+++ b/src/chat.rs
@@ -337,7 +337,7 @@ impl ChatId {
        );
        /* Up to 2017-11-02 deleting a group also implied leaving it, see above why we have changed this. */

-        let chat = Chat::load_from_db(context, self).await?;
+        let _chat = Chat::load_from_db(context, self).await?;
        context
            .sql
            .execute(
@@ -373,17 +373,6 @@ impl ChatId {
        let j = job::Job::new(Action::Housekeeping, 0, Params::new(), 10);
        job::add(context, j).await;

-        if chat.is_self_talk() {
-            let mut msg = Message::new(Viewtype::Text);
-            msg.text = Some(
-                context
-                    .stock_str(StockMessage::SelfDeletedMsgBody)
-                    .await
-                    .into(),
-            );
-            add_device_msg(&context, None, Some(&mut msg)).await?;
-        }
-
        Ok(())
    }

--- a/src/config.rs
+++ b/src/config.rs
@@ -69,12 +69,8 @@ pub enum Config {
    #[strum(props(default = "0"))] // also change MediaQuality.default() on changes
    MediaQuality,

-    /// If set to "1", on the first time `start_io()` is called after configuring,
-    /// the newest existing messages are fetched.
-    /// Existing recipients are added to the contact database regardless of this setting.
-    #[strum(props(default = "0"))]
-    // disabled for now, we'll set this back to "1" at some point
-    FetchExistingMsgs,
+    #[strum(props(default = "1"))]
+    FetchExisting,

    #[strum(props(default = "0"))]
    KeyGenType,
--- a/src/configure/mod.rs
+++ b/src/configure/mod.rs
@@ -163,8 +163,8 @@ async fn configure(ctx: &Context, param: &mut LoginParam) -> Result<()> {
        DC_LP_AUTH_NORMAL as i32
    };

-    let ctx2 = ctx.clone();
-    let update_device_chats_handle = task::spawn(async move { ctx2.update_device_chats().await });
+    //let ctx2 = ctx.clone();
+    //let update_device_chats_handle = task::spawn(async move { ctx2.update_device_chats().await });

    // Step 1: Load the parameters and check email-address and password

@@ -364,7 +364,7 @@ async fn configure(ctx: &Context, param: &mut LoginParam) -> Result<()> {
    .await;

    progress!(ctx, 940);
-    update_device_chats_handle.await?;
+    //update_device_chats_handle.await?;

    Ok(())
 }
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -205,11 +205,6 @@ pub const WORSE_IMAGE_SIZE: u32 = 640;
 // this value can be increased if the folder configuration is changed and must be redone on next program start
 pub const DC_FOLDERS_CONFIGURED_VERSION: i32 = 3;

-// if more recipients are needed in SMTP's `RCPT TO:` header, recipient-list is splitted to chunks.
-// this does not affect MIME'e `To:` header.
-// can be overwritten by the setting `max_smtp_rcpt_to` in provider-db.
-pub const DEFAULT_MAX_SMTP_RCPT_TO: usize = 50;
-
 #[derive(
    Debug,
    Display,
--- a/src/context.rs
+++ b/src/context.rs
@@ -163,6 +163,10 @@ impl Context {
    /// Stops the IO scheduler.
    pub async fn stop_io(&self) {
        info!(self, "stopping IO");
+        if !self.is_io_running().await {
+            info!(self, "IO is not running");
+            return;
+        }

        self.inner.stop_io().await;
    }
@@ -479,19 +483,14 @@ impl InnerContext {
    }

    async fn stop_io(&self) {
-        if self.is_io_running().await {
-            let token = {
-                let lock = &*self.scheduler.read().await;
-                lock.pre_stop().await
-            };
-            {
-                let lock = &mut *self.scheduler.write().await;
-                lock.stop(token).await;
-            }
-        }
-
-        if let Some(ephemeral_task) = self.ephemeral_task.write().await.take() {
-            ephemeral_task.cancel().await;
+        assert!(self.is_io_running().await, "context is already stopped");
+        let token = {
+            let lock = &*self.scheduler.read().await;
+            lock.pre_stop().await
+        };
+        {
+            let lock = &mut *self.scheduler.write().await;
+            lock.stop(token).await;
        }
    }
 }
--- a/src/dc_receive_imf.rs
+++ b/src/dc_receive_imf.rs
@@ -387,7 +387,6 @@ async fn add_parts(
        // this message is a classic email not a chat-message nor a reply to one
        match show_emails {
            ShowEmails::Off => {
-                info!(context, "Classical email not shown (TRASH)");
                *chat_id = ChatId::new(DC_CHAT_ID_TRASH);
                allow_creation = false;
            }
@@ -446,7 +445,10 @@ async fn add_parts(
        // it might also be blocked and displayed in the deaddrop as a result
        if chat_id.is_unset() && mime_parser.failure_report.is_some() {
            *chat_id = ChatId::new(DC_CHAT_ID_TRASH);
-            info!(context, "Message belongs to an NDN (TRASH)",);
+            info!(
+                context,
+                "Message belongs to an NDN and is not shown in a chat.",
+            );
        }

        if chat_id.is_unset() {
@@ -487,7 +489,7 @@ async fn add_parts(
            // check if the message belongs to a mailing list
            if mime_parser.is_mailinglist_message() {
                *chat_id = ChatId::new(DC_CHAT_ID_TRASH);
-                info!(context, "Message belongs to a mailing list (TRASH)");
+                info!(context, "Message belongs to a mailing list and is ignored.",);
            }
        }

@@ -531,7 +533,6 @@ async fn add_parts(
        if chat_id.is_unset() {
            // maybe from_id is null or sth. else is suspicious, move message to trash
            *chat_id = ChatId::new(DC_CHAT_ID_TRASH);
-            info!(context, "No chat id for incoming msg (TRASH)")
        }

        // if the chat_id is blocked,
@@ -641,14 +642,13 @@ async fn add_parts(
        }
        if chat_id.is_unset() {
            *chat_id = ChatId::new(DC_CHAT_ID_TRASH);
-            info!(context, "No chat id for outgoing message (TRASH)")
        }
    }

    if fetching_existing_messages && mime_parser.decrypting_failed {
        *chat_id = ChatId::new(DC_CHAT_ID_TRASH);
        // We are only gathering old messages on first start. We do not want to add loads of non-decryptable messages to the chats.
-        info!(context, "Existing non-decipherable message. (TRASH)");
+        info!(context, "Dropping existing non-decipherable message.");
    }

    // Extract ephemeral timer from the message.
@@ -772,6 +772,9 @@ async fn add_parts(

    *sent_timestamp = std::cmp::min(*sent_timestamp, rcvd_timestamp);

+    // unarchive chat
+    chat_id.unarchive(context).await?;
+
    // if the mime-headers should be saved, find out its size
    // (the mime-header ends with an empty line)
    let save_mime_headers = context.get_config_bool(Config::SaveMimeHeaders).await;
@@ -893,10 +896,6 @@ async fn add_parts(
        *insert_msg_id = *id;
    }

-    if !is_hidden {
-        chat_id.unarchive(context).await?;
-    }
-
    *hidden = is_hidden;
    created_db_entries.extend(ids.iter().map(|id| (chat_id, *id)));
    mime_parser.parts = new_parts;
@@ -1080,24 +1079,37 @@ async fn create_or_lookup_group(
        set_better_msg(mime_parser, &better_msg);
    }

-    let grpid = try_getting_grpid(mime_parser);
-
-    if grpid.is_empty() {
-        return create_or_lookup_adhoc_group(
-            context,
-            mime_parser,
-            allow_creation,
-            create_blocked,
-            from_id,
-            to_ids,
-        )
-        .await
-        .map_err(|err| {
-            info!(context, "could not create adhoc-group: {:?}", err);
-            err
-        });
+    let mut grpid = "".to_string();
+    if let Some(optional_field) = mime_parser.get(HeaderDef::ChatGroupId) {
+        grpid = optional_field.clone();
    }

+    if grpid.is_empty() {
+        if let Some(extracted_grpid) = mime_parser
+            .get(HeaderDef::MessageId)
+            .and_then(|value| dc_extract_grpid_from_rfc724_mid(&value))
+        {
+            grpid = extracted_grpid.to_string();
+        } else if let Some(extracted_grpid) = extract_grpid(mime_parser, HeaderDef::InReplyTo) {
+            grpid = extracted_grpid.to_string();
+        } else if let Some(extracted_grpid) = extract_grpid(mime_parser, HeaderDef::References) {
+            grpid = extracted_grpid.to_string();
+        } else {
+            return create_or_lookup_adhoc_group(
+                context,
+                mime_parser,
+                allow_creation,
+                create_blocked,
+                from_id,
+                to_ids,
+            )
+            .await
+            .map_err(|err| {
+                info!(context, "could not create adhoc-group: {:?}", err);
+                err
+            });
+        }
+    }
    // now we have a grpid that is non-empty
    // but we might not know about this group

@@ -1267,7 +1279,6 @@ async fn create_or_lookup_group(
        } else {
            // The message was decrypted successfully, but contains a late "quit" or otherwise
            // unwanted message.
-            info!(context, "message belongs to unwanted group (TRASH)");
            return Ok((ChatId::new(DC_CHAT_ID_TRASH), chat_id_blocked));
        }
    }
@@ -1367,27 +1378,6 @@ async fn create_or_lookup_group(
    Ok((chat_id, chat_id_blocked))
 }

-fn try_getting_grpid(mime_parser: &MimeMessage) -> String {
-    if let Some(optional_field) = mime_parser.get(HeaderDef::ChatGroupId) {
-        return optional_field.clone();
-    }
-
-    if let Some(extracted_grpid) = mime_parser
-        .get(HeaderDef::MessageId)
-        .and_then(|value| dc_extract_grpid_from_rfc724_mid(&value))
-    {
-        return extracted_grpid.to_string();
-    }
-    if !mime_parser.has_chat_version() {
-        if let Some(extracted_grpid) = extract_grpid(mime_parser, HeaderDef::InReplyTo) {
-            return extracted_grpid.to_string();
-        } else if let Some(extracted_grpid) = extract_grpid(mime_parser, HeaderDef::References) {
-            return extracted_grpid.to_string();
-        }
-    }
-    "".to_string()
-}
-
 /// try extract a grpid from a message-id list header value
 fn extract_grpid(mime_parser: &MimeMessage, headerdef: HeaderDef) -> Option<&str> {
    let header = mime_parser.get(headerdef)?;
@@ -2228,7 +2218,7 @@ mod tests {
        let t = TestContext::new_alice().await;

        // create one-to-one with bob, archive one-to-one
-        let bob_id = Contact::create(&t.ctx, "bob", "bob@example.com")
+        let bob_id = Contact::create(&t.ctx, "bob", "bob@exampel.org")
            .await
            .unwrap();
        let one2one_id = chat::create_by_contact_id(&t.ctx, bob_id).await.unwrap();
--- a/src/dc_tools.rs
+++ b/src/dc_tools.rs
@@ -1174,31 +1174,22 @@ mod tests {
        assert_eq!(msgs.len(), 1);

        // do not repeat the warning every day ...
-        // (we test that for the 2 subsequent days, this may be the next month, so the result should be 1 or 2 device message)
        maybe_warn_on_outdated(
            &t.ctx,
            timestamp_now + (365 + 1) * 24 * 60 * 60,
            get_provider_update_timestamp(),
        )
        .await;
-        maybe_warn_on_outdated(
-            &t.ctx,
-            timestamp_now + (365 + 2) * 24 * 60 * 60,
-            get_provider_update_timestamp(),
-        )
-        .await;
        let chats = Chatlist::try_load(&t.ctx, 0, None, None).await.unwrap();
        assert_eq!(chats.len(), 1);
        let device_chat_id = chats.get_chat_id(0);
        let msgs = chat::get_chat_msgs(&t.ctx, device_chat_id, 0, None).await;
-        let test_len = msgs.len();
-        assert!(test_len == 1 || test_len == 2);
+        assert_eq!(msgs.len(), 1);

        // ... but every month
-        // (forward generous 33 days to avoid being in the same month as in the previous check)
        maybe_warn_on_outdated(
            &t.ctx,
-            timestamp_now + (365 + 33) * 24 * 60 * 60,
+            timestamp_now + (365 + 31) * 24 * 60 * 60,
            get_provider_update_timestamp(),
        )
        .await;
@@ -1206,6 +1197,6 @@ mod tests {
        assert_eq!(chats.len(), 1);
        let device_chat_id = chats.get_chat_id(0);
        let msgs = chat::get_chat_msgs(&t.ctx, device_chat_id, 0, None).await;
-        assert_eq!(msgs.len(), test_len + 1);
+        assert_eq!(msgs.len(), 2);
    }
 }
--- a/src/imex.rs
+++ b/src/imex.rs
@@ -31,7 +31,6 @@ use crate::param::*;
 use crate::pgp;
 use crate::sql::{self, Sql};
 use crate::stock::StockMessage;
-use ::pgp::types::KeyTrait;
 use async_tar::Archive;

 // Name of the database file in the backup.
@@ -79,7 +78,11 @@ pub enum ImexMode {
 ///
 /// Only one import-/export-progress can run at the same time.
 /// To cancel an import-/export-progress, drop the future returned by this function.
-pub async fn imex(context: &Context, what: ImexMode, param1: impl AsRef<Path>) -> Result<()> {
+pub async fn imex(
+    context: &Context,
+    what: ImexMode,
+    param1: Option<impl AsRef<Path>>,
+) -> Result<()> {
    let cancel = context.alloc_ongoing().await?;

    let res = async {
@@ -410,8 +413,6 @@ async fn set_self_key(
        },
    )
    .await?;
-
-    info!(context, "stored self key: {:?}", keypair.secret.key_id());
    Ok(())
 }

@@ -438,11 +439,19 @@ pub fn normalize_setup_code(s: &str) -> String {
    out
 }

-async fn imex_inner(context: &Context, what: ImexMode, path: impl AsRef<Path>) -> Result<()> {
-    info!(context, "Import/export dir: {}", path.as_ref().display());
-    ensure!(context.sql.is_open().await, "Database not opened.");
+async fn imex_inner(
+    context: &Context,
+    what: ImexMode,
+    param: Option<impl AsRef<Path>>,
+) -> Result<()> {
+    ensure!(param.is_some(), "No Import/export dir/file given.");
+
+    info!(context, "Import/export process started.");
    context.emit_event(EventType::ImexProgress(10));

+    ensure!(context.sql.is_open().await, "Database not opened.");
+
+    let path = param.ok_or_else(|| format_err!("Imex: Param was None"))?;
    if what == ImexMode::ExportBackup || what == ImexMode::ExportSelfKeys {
        // before we export anything, make sure the private key exists
        if e2ee::ensure_secret_key_exists(context).await.is_err() {
@@ -866,12 +875,6 @@ async fn import_self_keys(context: &Context, dir: impl AsRef<Path>) -> Result<()
                continue;
            }
        }
-        info!(
-            context,
-            "considering key file: {}",
-            path_plus_name.display()
-        );
-
        match dc_read_file(context, &path_plus_name).await {
            Ok(buf) => {
                let armored = std::string::String::from_utf8_lossy(&buf);
@@ -961,7 +964,7 @@ where
        let any_key = key as &dyn Any;
        let kind = if any_key.downcast_ref::<SignedPublicKey>().is_some() {
            "public"
-        } else if any_key.downcast_ref::<SignedSecretKey>().is_some() {
+        } else if any_key.downcast_ref::<SignedPublicKey>().is_some() {
            "private"
        } else {
            "unknown"
@@ -969,12 +972,7 @@ where
        let id = id.map_or("default".into(), |i| i.to_string());
        dir.as_ref().join(format!("{}-key-{}.asc", kind, &id))
    };
-    info!(
-        context,
-        "Exporting key {:?} to {}",
-        key.key_id(),
-        file_name.display()
-    );
+    info!(context, "Exporting key {}", file_name.display());
    dc_delete_file(context, &file_name).await;

    let content = key.to_asc(None).into_bytes();
@@ -1042,7 +1040,7 @@ mod tests {
    }

    #[async_std::test]
-    async fn test_export_public_key_to_asc_file() {
+    async fn test_export_key_to_asc_file() {
        let context = TestContext::new().await;
        let key = alice_keypair().public;
        let blobdir = "$BLOBDIR";
@@ -1056,35 +1054,19 @@ mod tests {
        assert_eq!(bytes, key.to_asc(None).into_bytes());
    }

-    #[async_std::test]
-    async fn test_export_private_key_to_asc_file() {
-        let context = TestContext::new().await;
-        let key = alice_keypair().secret;
-        let blobdir = "$BLOBDIR";
-        assert!(export_key_to_asc_file(&context.ctx, blobdir, None, &key)
-            .await
-            .is_ok());
-        let blobdir = context.ctx.get_blobdir().to_str().unwrap();
-        let filename = format!("{}/private-key-default.asc", blobdir);
-        let bytes = async_std::fs::read(&filename).await.unwrap();
-
-        assert_eq!(bytes, key.to_asc(None).into_bytes());
-    }
-
    #[async_std::test]
    async fn test_export_and_import_key() {
        let context = TestContext::new().await;
        context.configure_alice().await;
-        let blobdir = context.ctx.get_blobdir().to_str().unwrap();
-        if let Err(err) = imex(&context.ctx, ImexMode::ExportSelfKeys, blobdir).await {
-            panic!("got error on export: {:?}", err);
-        }
+        let blobdir = "$BLOBDIR";
+        assert!(imex(&context.ctx, ImexMode::ExportSelfKeys, Some(blobdir))
+            .await
+            .is_ok());

-        let context2 = TestContext::new().await;
-        context2.configure_alice().await;
-        if let Err(err) = imex(&context2.ctx, ImexMode::ImportSelfKeys, blobdir).await {
-            panic!("got error on import: {:?}", err);
-        }
+        let blobdir = context.ctx.get_blobdir().to_str().unwrap();
+        assert!(imex(&context.ctx, ImexMode::ImportSelfKeys, Some(blobdir))
+            .await
+            .is_ok());
    }

    #[test]
--- a/src/job.rs
+++ b/src/job.rs
@@ -639,7 +639,7 @@ impl Job {
        add_all_recipients_as_contacts(context, imap, Config::ConfiguredMvboxFolder).await;
        add_all_recipients_as_contacts(context, imap, Config::ConfiguredInboxFolder).await;

-        if context.get_config_bool(Config::FetchExistingMsgs).await {
+        if context.get_config_bool(Config::FetchExisting).await {
            for config in &[
                Config::ConfiguredMvboxFolder,
                Config::ConfiguredInboxFolder,
--- a/src/mimefactory.rs
+++ b/src/mimefactory.rs
@@ -1141,23 +1141,13 @@ async fn build_body_file(
        Viewtype::Image | Viewtype::Gif => format!(
            "{}.{}",
            if base_name.is_empty() {
-                chrono::Utc
-                    .timestamp(msg.timestamp_sort as i64, 0)
-                    .format("image_%Y-%m-%d_%H-%M-%S")
-                    .to_string()
+                "image"
            } else {
-                base_name.to_string()
+                base_name
            },
            &suffix,
        ),
-        Viewtype::Video => format!(
-            "video_{}.{}",
-            chrono::Utc
-                .timestamp(msg.timestamp_sort as i64, 0)
-                .format("%Y-%m-%d_%H-%M-%S")
-                .to_string(),
-            &suffix
-        ),
+        Viewtype::Video => format!("video.{}", &suffix),
        _ => blob.as_file_name().to_string(),
    };

--- a/src/mimeparser.rs
+++ b/src/mimeparser.rs
@@ -295,8 +295,7 @@ impl MimeMessage {
    /// Squashes mutlipart chat messages with attachment into single-part messages.
    ///
    /// Delta Chat sends attachments, such as images, in two-part messages, with the first message
-    /// containing a description. If such a message is detected, text from the first part can be
-    /// moved to the second part, and the first part dropped.
+    /// containing an explanation. If such a message is detected, first part can be safely dropped.
    #[allow(clippy::indexing_slicing)]
    fn squash_attachment_parts(&mut self) {
        if let [textpart, filepart] = &self.parts[..] {
@@ -316,9 +315,6 @@ impl MimeMessage {

                // insert new one
                filepart.msg = self.parts[0].msg.clone();
-                if let Some(quote) = self.parts[0].param.get(Param::Quote) {
-                    filepart.param.set(Param::Quote, quote);
-                }

                // forget the one we use now
                self.parts[0].msg = "".to_string();
@@ -2272,53 +2268,4 @@ From: alice <alice@example.org>
        );
        assert_eq!(message.parts[0].msg, "");
    }
-
-    #[async_std::test]
-    async fn parse_quote_top_posting() {
-        let context = TestContext::new().await;
-        let raw = br##"Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no
-Subject: Re: top posting
-MIME-Version: 1.0
-In-Reply-To: <bar@example.org>
-Message-ID: <foo@example.org>
-To: bob <bob@example.org>
-From: alice <alice@example.org>
-
-A reply.
-
-On 2020-10-25, Bob wrote:
-> A quote.
-"##;
-
-        let message = MimeMessage::from_bytes(&context.ctx, &raw[..])
-            .await
-            .unwrap();
-        assert_eq!(message.get_subject(), Some("Re: top posting".to_string()));
-
-        assert_eq!(message.parts.len(), 1);
-        assert_eq!(message.parts[0].typ, Viewtype::Text);
-        assert_eq!(
-            message.parts[0].param.get(Param::Quote).unwrap(),
-            "A quote."
-        );
-        assert_eq!(message.parts[0].msg, "A reply.");
-    }
-
-    #[async_std::test]
-    async fn test_attachment_quote() {
-        let context = TestContext::new().await;
-        let raw = include_bytes!("../test-data/message/quote_attach.eml");
-        let mimeparser = MimeMessage::from_bytes(&context.ctx, &raw[..])
-            .await
-            .unwrap();
-
-        assert_eq!(mimeparser.get_subject().unwrap(), "Message from Alice");
-        assert_eq!(mimeparser.parts.len(), 1);
-        assert_eq!(mimeparser.parts[0].msg, "Reply");
-        assert_eq!(
-            mimeparser.parts[0].param.get(Param::Quote).unwrap(),
-            "Quote"
-        );
-        assert_eq!(mimeparser.parts[0].typ, Viewtype::File);
-    }
 }
--- a/src/provider/data.rs
+++ b/src/provider/data.rs
@@ -32,7 +32,6 @@ static P_AKTIVIX_ORG: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -47,7 +46,6 @@ static P_AOL: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -76,7 +74,6 @@ static P_ARCOR_DE: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -104,7 +101,6 @@ static P_AUTISTICI_ORG: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -132,7 +128,6 @@ static P_BLUEWIN_CH: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -146,21 +141,20 @@ static P_BUZON_UY: Lazy<Provider> = Lazy::new(|| Provider {
        Server {
            protocol: IMAP,
            socket: STARTTLS,
-            hostname: "mail.buzon.uy",
+            hostname: "buzon.uy",
            port: 143,
            username_pattern: EMAIL,
        },
        Server {
            protocol: SMTP,
            socket: STARTTLS,
-            hostname: "mail.buzon.uy",
+            hostname: "buzon.uy",
            port: 587,
            username_pattern: EMAIL,
        },
    ],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -188,7 +182,6 @@ static P_CHELLO_AT: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -201,7 +194,6 @@ static P_COMCAST: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -214,7 +206,6 @@ static P_DISMAIL_DE: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -227,7 +218,6 @@ static P_DISROOT: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -279,7 +269,6 @@ static P_DUBBY_ORG: Lazy<Provider> = Lazy::new(|| Provider {
        },
    ]),
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -296,7 +285,6 @@ static P_EXAMPLE_COM: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -311,7 +299,6 @@ static P_FASTMAIL: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -326,7 +313,6 @@ static P_FIREMAIL_DE: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -357,7 +343,6 @@ static P_FIVE_CHAT: Lazy<Provider> = Lazy::new(|| Provider {
        },
    ]),
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -385,7 +370,6 @@ static P_FREENET_DE: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -402,7 +386,6 @@ static P_GMAIL: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: Some(Oauth2Authorizer::Gmail),
 }
 });
@@ -438,7 +421,6 @@ static P_GMX_NET: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -468,7 +450,6 @@ static P_HERMES_RADIO: Lazy<Provider> = Lazy::new(|| Provider {
        },
    ]),
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -483,7 +464,6 @@ static P_HEY_COM: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -497,7 +477,6 @@ static P_I_UA: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -526,7 +505,6 @@ static P_ICLOUD: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -539,7 +517,6 @@ static P_KOLST_COM: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -552,7 +529,6 @@ static P_KONTENT_COM: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -565,7 +541,6 @@ static P_MAIL_RU: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -578,7 +553,6 @@ static P_MAILBOX_ORG: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -601,10 +575,9 @@ static P_NAUTA_CU: Lazy<Provider> = Lazy::new(|| {
        ConfigDefault { key: Config::MvboxMove, value: "0" },
        ConfigDefault { key: Config::E2eeEnabled, value: "0" },
        ConfigDefault { key: Config::MediaQuality, value: "1" },
-        ConfigDefault { key: Config::FetchExistingMsgs, value: "0" },
+        ConfigDefault { key: Config::FetchExisting, value: "0" },
    ]),
    strict_tls: false,
-    max_smtp_rcpt_to: Some(20),
    oauth2_authorizer: None,
 }
 });
@@ -622,7 +595,6 @@ static P_OUTLOOK_COM: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -651,7 +623,6 @@ static P_POSTEO: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -666,7 +637,6 @@ static P_PROTONMAIL: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -680,7 +650,6 @@ static P_RISEUP_NET: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -693,7 +662,6 @@ static P_ROGERS_COM: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -706,7 +674,6 @@ static P_SYSTEMLI_ORG: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -721,7 +688,6 @@ static P_T_ONLINE: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -774,7 +740,6 @@ static P_TESTRUN: Lazy<Provider> = Lazy::new(|| Provider {
        },
    ]),
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -802,7 +767,6 @@ static P_TISCALI_IT: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -815,7 +779,6 @@ static P_UKR_NET: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -843,7 +806,6 @@ static P_UNDERNET_UY: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -856,7 +818,6 @@ static P_VFEMAIL: Lazy<Provider> = Lazy::new(|| Provider {
    server: vec![],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -884,7 +845,6 @@ static P_VODAFONE_DE: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -902,7 +862,6 @@ static P_WEB_DE: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -920,7 +879,6 @@ static P_YAHOO: Lazy<Provider> = Lazy::new(|| {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 }
 });
@@ -949,7 +907,6 @@ static P_YANDEX_RU: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: true,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: Some(Oauth2Authorizer::Yandex),
 });

@@ -977,7 +934,6 @@ static P_ZIGGO_NL: Lazy<Provider> = Lazy::new(|| Provider {
    ],
    config_defaults: None,
    strict_tls: false,
-    max_smtp_rcpt_to: None,
    oauth2_authorizer: None,
 });

@@ -1153,4 +1109,4 @@ pub static PROVIDER_DATA: Lazy<HashMap<&'static str, &'static Provider>> = Lazy:
 });

 pub static PROVIDER_UPDATED: Lazy<chrono::NaiveDate> =
-    Lazy::new(|| chrono::NaiveDate::from_ymd(2020, 10, 30));
+    Lazy::new(|| chrono::NaiveDate::from_ymd(2020, 10, 17));
--- a/src/provider/mod.rs
+++ b/src/provider/mod.rs
@@ -75,7 +75,6 @@ pub struct Provider {
    pub server: Vec<Server>,
    pub config_defaults: Option<Vec<ConfigDefault>>,
    pub strict_tls: bool,
-    pub max_smtp_rcpt_to: Option<u16>,
    pub oauth2_authorizer: Option<Oauth2Authorizer>,
 }

--- a/src/provider/update.py
+++ b/src/provider/update.py
@@ -104,9 +104,6 @@ def process_data(data, file):
    strict_tls = data.get("strict_tls", False)
    strict_tls = "true" if strict_tls else "false"

-    max_smtp_rcpt_to = data.get("max_smtp_rcpt_to", 0)
-    max_smtp_rcpt_to = "Some(" + str(max_smtp_rcpt_to) + ")" if max_smtp_rcpt_to != 0 else "None"
-
    oauth2 = data.get("oauth2", "")
    oauth2 = "Some(Oauth2Authorizer::" + camel(oauth2) + ")" if oauth2 != "" else "None"

@@ -122,7 +119,6 @@ def process_data(data, file):
        provider += "    server: vec![\n" + server + "    ],\n"
        provider += "    config_defaults: " + config_defaults + ",\n"
        provider += "    strict_tls: " + strict_tls + ",\n"
-        provider += "    max_smtp_rcpt_to: " + max_smtp_rcpt_to + ",\n"
        provider += "    oauth2_authorizer: " + oauth2 + ",\n"
        provider += "});\n\n"
    else:
--- a/src/simplify.rs
+++ b/src/simplify.rs
@@ -71,7 +71,7 @@ pub fn simplify(mut input: String, is_chat_message: bool) -> (String, bool, Opti
    let lines = split_lines(&input);
    let (lines, is_forwarded) = skip_forward_header(&lines);

-    let (lines, mut top_quote) = remove_top_quote(lines);
+    let (lines, top_quote) = remove_top_quote(lines);
    let original_lines = &lines;
    let lines = remove_message_footer(lines);

@@ -79,16 +79,12 @@ pub fn simplify(mut input: String, is_chat_message: bool) -> (String, bool, Opti
        render_message(lines, false)
    } else {
        let (lines, has_nonstandard_footer) = remove_nonstandard_footer(lines);
-        let (lines, mut bottom_quote) = remove_bottom_quote(lines);
-
-        if top_quote.is_none() && bottom_quote.is_some() {
-            std::mem::swap(&mut top_quote, &mut bottom_quote);
-        }
+        let (lines, has_bottom_quote) = remove_bottom_quote(lines);

        if lines.iter().all(|it| it.trim().is_empty()) {
            render_message(original_lines, false)
        } else {
-            render_message(lines, has_nonstandard_footer || bottom_quote.is_some())
+            render_message(lines, has_nonstandard_footer || has_bottom_quote)
        }
    };
    (text, is_forwarded, top_quote)
@@ -109,27 +105,16 @@ fn skip_forward_header<'a>(lines: &'a [&str]) -> (&'a [&'a str], bool) {
 }

 #[allow(clippy::indexing_slicing)]
-fn remove_bottom_quote<'a>(lines: &'a [&str]) -> (&'a [&'a str], Option<String>) {
-    let mut first_quoted_line = lines.len();
+fn remove_bottom_quote<'a>(lines: &'a [&str]) -> (&'a [&'a str], bool) {
    let mut last_quoted_line = None;
    for (l, line) in lines.iter().enumerate().rev() {
        if is_plain_quote(line) {
-            if last_quoted_line.is_none() {
-                first_quoted_line = l + 1;
-            }
            last_quoted_line = Some(l)
        } else if !is_empty_line(line) {
            break;
        }
    }
    if let Some(mut l_last) = last_quoted_line {
-        let quoted_text = lines[l_last..first_quoted_line]
-            .iter()
-            .map(|s| {
-                s.strip_prefix(">")
-                    .map_or(*s, |u| u.strip_prefix(" ").unwrap_or(u))
-            })
-            .join("\n");
        if l_last > 1 && is_empty_line(lines[l_last - 1]) {
            l_last -= 1
        }
@@ -139,9 +124,9 @@ fn remove_bottom_quote<'a>(lines: &'a [&str]) -> (&'a [&'a str], Option<String>)
                l_last -= 1
            }
        }
-        (&lines[..l_last], Some(quoted_text))
+        (&lines[..l_last], true)
    } else {
-        (lines, None)
+        (lines, false)
    }
 }

--- a/src/smtp/send.rs
+++ b/src/smtp/send.rs
@@ -3,11 +3,8 @@
 use super::Smtp;
 use async_smtp::*;

-use crate::config::Config;
-use crate::constants::DEFAULT_MAX_SMTP_RCPT_TO;
 use crate::context::Context;
 use crate::events::EventType;
-use crate::provider::get_provider_info;
 use itertools::Itertools;
 use std::time::Duration;

@@ -37,51 +34,37 @@ impl Smtp {
    ) -> Result<()> {
        let message_len_bytes = message.len();

-        let mut chunk_size = DEFAULT_MAX_SMTP_RCPT_TO;
-        if let Some(provider) = get_provider_info(
-            &context
-                .get_config(Config::ConfiguredAddr)
+        let recipients_display = recipients.iter().map(|x| x.to_string()).join(",");
+
+        let envelope =
+            Envelope::new(self.from.clone(), recipients).map_err(Error::EnvelopeError)?;
+        let mail = SendableEmail::new(
+            envelope,
+            format!("{}", job_id), // only used for internal logging
+            message,
+        );
+
+        if let Some(ref mut transport) = self.transport {
+            // The timeout is 1min + 3min per MB.
+            let timeout = 60 + (180 * message_len_bytes / 1_000_000) as u64;
+            transport
+                .send_with_timeout(mail, Some(&Duration::from_secs(timeout)))
                .await
-                .unwrap_or_default(),
-        ) {
-            if let Some(max_smtp_rcpt_to) = provider.max_smtp_rcpt_to {
-                chunk_size = max_smtp_rcpt_to as usize;
-            }
-        }
+                .map_err(Error::SendError)?;

-        for recipients_chunk in recipients.chunks(chunk_size).into_iter() {
-            let recipients = recipients_chunk.to_vec();
-            let recipients_display = recipients.iter().map(|x| x.to_string()).join(",");
+            context.emit_event(EventType::SmtpMessageSent(format!(
+                "Message len={} was smtp-sent to {}",
+                message_len_bytes, recipients_display
+            )));
+            self.last_success = Some(std::time::SystemTime::now());

-            let envelope =
-                Envelope::new(self.from.clone(), recipients).map_err(Error::EnvelopeError)?;
-            let mail = SendableEmail::new(
-                envelope,
-                format!("{}", job_id), // only used for internal logging
-                &message,
+            Ok(())
+        } else {
+            warn!(
+                context,
+                "uh? SMTP has no transport, failed to send to {}", recipients_display
            );
-
-            if let Some(ref mut transport) = self.transport {
-                // The timeout is 1min + 3min per MB.
-                let timeout = 60 + (180 * message_len_bytes / 1_000_000) as u64;
-                transport
-                    .send_with_timeout(mail, Some(&Duration::from_secs(timeout)))
-                    .await
-                    .map_err(Error::SendError)?;
-
-                context.emit_event(EventType::SmtpMessageSent(format!(
-                    "Message len={} was smtp-sent to {}",
-                    message_len_bytes, recipients_display
-                )));
-                self.last_success = Some(std::time::SystemTime::now());
-            } else {
-                warn!(
-                    context,
-                    "uh? SMTP has no transport, failed to send to {}", recipients_display
-                );
-                return Err(Error::NoTransport);
-            }
+            Err(Error::NoTransport)
        }
-        Ok(())
    }
 }
--- a/src/stock.rs
+++ b/src/stock.rs
@@ -244,10 +244,6 @@ pub enum StockMessage {
    // used in summaries, a noun, not a verb (not: "to reply")
    #[strum(props(fallback = "Reply"))]
    ReplyNoun = 90,
-
-    #[strum(props(fallback = "You deleted the \"Saved messages\" chat.\n\n\
-                    To use the \"Saved messages\" feature again, create a new chat with yourself."))]
-    SelfDeletedMsgBody = 91,
 }

 /*
@@ -467,7 +463,6 @@ mod tests {

    use crate::constants::DC_CONTACT_ID_SELF;

-    use crate::chat::Chat;
    use crate::chatlist::Chatlist;
    use num_traits::ToPrimitive;

@@ -659,31 +654,8 @@ mod tests {
        let chats = Chatlist::try_load(&t.ctx, 0, None, None).await.unwrap();
        assert_eq!(chats.len(), 2);

-        let chat0 = Chat::load_from_db(&t.ctx, chats.get_chat_id(0))
-            .await
-            .unwrap();
-        let (self_talk_id, device_chat_id) = if chat0.is_self_talk() {
-            (chats.get_chat_id(0), chats.get_chat_id(1))
-        } else {
-            (chats.get_chat_id(1), chats.get_chat_id(0))
-        };
-
-        // delete self-talk first; this adds a message to device-chat about how self-talk can be restored
-        let device_chat_msgs_before = chat::get_chat_msgs(&t.ctx, device_chat_id, 0, None)
-            .await
-            .len();
-        self_talk_id.delete(&t.ctx).await.ok();
-        assert_eq!(
-            chat::get_chat_msgs(&t.ctx, device_chat_id, 0, None)
-                .await
-                .len(),
-            device_chat_msgs_before + 1
-        );
-
-        // delete device chat
-        device_chat_id.delete(&t.ctx).await.ok();
-
-        // check, that the chatlist is empty
+        chats.get_chat_id(0).delete(&t.ctx).await.ok();
+        chats.get_chat_id(1).delete(&t.ctx).await.ok();
        let chats = Chatlist::try_load(&t.ctx, 0, None, None).await.unwrap();
        assert_eq!(chats.len(), 0);

--- a/test-data/message/quote_attach.eml
+++ b/test-data/message/quote_attach.eml
@@ -1,27 +0,0 @@
-Subject: Message from Alice
-MIME-Version: 1.0
-In-Reply-To: <Mr.7h_HyOuM3Dz.xcp4v8QiQua@testrun.org>
-Date: Sun, 08 Nov 2020 01:16:26 +0000
-Chat-Version: 1.0
-Message-ID: <Mr.126R7OsBKvk.dGGBC5WcsLF@testrun.org>
-To: Bob <bob@example.org>
-From: Alice <alice@testrun.org>
-Content-Type: multipart/mixed; boundary="uWbWY2IyEtJ8wZmp282Na11hxBBXlV"
-
-
--uWbWY2IyEtJ8wZmp282Na11hxBBXlV
-Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no
-
-> Quote
-
-Reply
-
--uWbWY2IyEtJ8wZmp282Na11hxBBXlV
-Content-Type: text/plain
-Content-Disposition: attachment; filename="attachment.txt"
-Content-Transfer-Encoding: base64
-
-ZGF0YSB0byBzZW5k
-
--uWbWY2IyEtJ8wZmp282Na11hxBBXlV--
-
Author	SHA1	Message	Date
B. Petersen	ea9252925c	re-enabling smtp_config_task - still fine	2020-10-22 00:03:28 +02:00
B. Petersen	7e3029aa9c	this works with https://github.com/deltachat/deltachat-android/issues/1676	2020-10-21 23:38:33 +02:00