On 11.8.2013, at 22.56, Timo Sirainen <[email protected]> wrote: > On Fri, 2013-08-09 at 15:45 +0200, Ralf Hildebrandt wrote: >> QUERY: THREAD REFERENCES ISO-8859-1 ALL >> RESPONSE: [SERVERBUG] Internal error occurred. Refer to server log for more >> information. [2013-08-09 15:42:34] >> >> Aug 9 15:41:48 postamt dovecot: imap(username) tTbs7oPjfACNKs4m: Error: >> Threading lost Message ID >> Aug 9 15:42:34 postamt dovecot: imap(username) tTbs7oPjfACNKs4m: Error: >> Threading lost Message ID > > Can you reproduce it? I'm guessing dovecot.index.thread file was > corrupted and caused this. It should probably rebuild the thread if this > error happens.
Now it rebuilds the thread index: http://hg.dovecot.org/dovecot-2.2/rev/e6c2a1344f86
