docs: Remove outdated comment about "quota warning" device message

The device message was removed in 7de58f5329.

deltachat-rpc-client/tests/test_folders.py

@@ -68,11 +68,12 @@ def test_markseen_message_and_mdn(acfactory, direct_imap):
     msg.mark_seen()
 
     rex = re.compile("Marked messages [0-9]+ in folder INBOX as seen.")
-    while True:
-        event = ac2.wait_for_event()
-        if event.kind == EventType.INFO and rex.search(event.msg):
-            break
-    ac1.wait_for_msg(EventType.MSGS_CHANGED)
+
+    for ac in ac1, ac2:
+        while True:
+            event = ac.wait_for_event()
+            if event.kind == EventType.INFO and rex.search(event.msg):
+                break
 
     ac1_direct_imap = direct_imap(ac1)
     ac2_direct_imap = direct_imap(ac2)
@@ -80,8 +81,8 @@ def test_markseen_message_and_mdn(acfactory, direct_imap):
     ac1_direct_imap.select_folder("INBOX")
     ac2_direct_imap.select_folder("INBOX")
 
-    # Check that the MDN isn't marked as seen.
-    assert len(list(ac1_direct_imap.conn.fetch(AND(seen=True), mark_seen=False))) == 0
+    # Check that the mdn is marked as seen
+    assert len(list(ac1_direct_imap.conn.fetch(AND(seen=True), mark_seen=False))) == 1
     # Check original message is marked as seen
     assert len(list(ac2_direct_imap.conn.fetch(AND(seen=True), mark_seen=False))) == 1
 

python/tests/test_1_online.py

@@ -419,6 +419,9 @@ def test_send_and_receive_message_markseen(acfactory, lp):
         assert ev.data2 > dc.const.DC_MSG_ID_LAST_SPECIAL
     lp.step("2")
 
+    # Check that ac1 marks the read receipt as read.
+    ac1._evtracker.get_info_contains("Marked messages .* in folder INBOX as seen.")
+
     assert msg1.is_out_mdn_received()
     assert msg3.is_out_mdn_received()
 
@@ -503,16 +506,11 @@ def test_mdn_asymmetric(acfactory, lp):
     ac1.set_config("mdns_enabled", "1")
     ac2.set_config("mdns_enabled", "1")
 
-    ac1.set_config("bcc_self", "1")
-
     lp.sec("sending text message from ac1 to ac2")
     msg_out = chat.send_text("message1")
 
     assert len(chat.get_messages()) == 1 + E2EE_INFO_MSGS
 
-    # Wait for the message to be marked as seen on IMAP.
-    ac1._evtracker.get_info_contains("Marked messages [0-9]+ in folder INBOX as seen.")
-
     lp.sec("disable ac1 MDNs")
     ac1.set_config("mdns_enabled", "0")
 
@@ -524,14 +522,13 @@ def test_mdn_asymmetric(acfactory, lp):
     lp.sec("ac2: mark incoming message as seen")
     ac2.mark_seen_messages([msg])
 
-    # Wait for the message to be marked as seen on IMAP.
-    ac2._evtracker.get_info_contains("Marked messages [0-9]+ in folder INBOX as seen.")
-
     lp.sec("ac1: waiting for incoming activity")
     assert len(chat.get_messages()) == 1 + E2EE_INFO_MSGS
 
+    # Wait for the message to be marked as seen on IMAP.
+    ac1._evtracker.get_info_contains("Marked messages [0-9]+ in folder INBOX as seen.")
+
     # MDN is received even though MDNs are already disabled
-    ac1._evtracker.get_matching("DC_EVENT_MSG_READ")
     assert msg_out.is_out_mdn_received()
 
 

src/quota.rs

@@ -66,12 +66,6 @@ impl Context {
 
     /// Updates `quota.recent`, sets `quota.modified` to the current time
     /// and emits an event to let the UIs update connectivity view.
-    ///
-    /// Moreover, once each time quota gets larger than `QUOTA_WARN_THRESHOLD_PERCENTAGE`,
-    /// a device message is added.
-    /// As the message is added only once, the user is not spammed
-    /// in case for some providers the quota is always at ~100%
-    /// and new space is allocated as needed.
     pub(crate) async fn update_recent_quota(
         &self,
         session: &mut ImapSession,

src/receive_imf.rs

@@ -930,6 +930,11 @@ UPDATE config SET value=? WHERE keyname='configured_addr' AND value!=?1
                 .await?;
             context.scheduler.interrupt_inbox().await;
         }
+        if target.is_none() && !mime_parser.mdn_reports.is_empty() && mime_parser.has_chat_version()
+        {
+            // This is a Delta Chat MDN. Mark as read.
+            markseen_on_imap_table(context, rfc724_mid_orig).await?;
+        }
         if !mime_parser.incoming && !context.get_config_bool(Config::TeamProfile).await? {
             let mut updated_chats = BTreeMap::new();
             let mut archived_chats_maybe_noticed = false;
@@ -1157,9 +1162,8 @@ async fn decide_chat_assignment(
         info!(context, "Message is an MDN (TRASH).");
         true
     } else if mime_parser.delivery_report.is_some() {
-        // Auto-marking DSNs as IMAP-seen should be avoided because the user may want to see them in
-        // another MUA.
         info!(context, "Message is a DSN (TRASH).");
+        markseen_on_imap_table(context, rfc724_mid).await.ok();
         true
     } else if mime_parser.get_header(HeaderDef::ChatEdit).is_some()
         || mime_parser.get_header(HeaderDef::ChatDelete).is_some()