The log file gives me this (a problem which happens frequenty): 12:59:50.8765 <<< y62 OK UID FETCH completed 12:59:50.8765 [task] Imap::Mailbox::FetchMsgMetadataTask All Mail: UIDs 284:361 Completed 12:59:57.1935 >>> y63 IDLE 12:59:57.1945 <<< + idling 13:00:00.0005 <<< * 22326 FETCH (FLAGS (\Seen nonjunk) UID 22329) 13:00:00.0015 [task] Imap::Mailbox::KeepMailboxOpenTask attached to All Mail Failed: The connection is being killed for unspecified reason 13:00:00.0015 >>> *** Connection killed. 13:00:00.0015 [err] UnknownMessageIndex Got FETCH that is out of bounds -- got 22325 messages␍␊FETCH 22326 ( FLAGS "\Seen nonjunk" UID "22329")
Trojitá is no longer maintained, please switch to a maintained alternative like https://apps.kde.org/kmail2/ Sorry for the inconveniences.