scanning the logs for occurrences of "error," I find: # grep error dovecot* dovecot-info.log:Apr 15 17:01:09 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=, size=5887 dovecot-info.log:Apr 16 03:06:48 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<[email protected]>, size=13237 dovecot-info.log:Apr 16 17:01:18 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=, size=5887 dovecot-info.log.0:Apr 14 13:24:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<cafoe2y4awkm_bnkgnsslkkxrfjrk1goao7y6t7igtwtfmqk...@mail.gmail.tld>, size=3033 dovecot-info.log.0:Apr 14 13:24:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<cf8d60100fb6d439c559221f00df2f37f80.20150414175...@mail100.atl31.mcdlv.net>, size=32589 dovecot-info.log.0:Apr 14 13:24:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<[email protected]>, size=6951 dovecot-info.log.0:Apr 14 13:24:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<93B38E8FD4B2741936862E3F@[10.0.248.3]>, size=2197 dovecot-info.log.0:Apr 14 13:24:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<4A13BE2E2FC7C49B7112BEE5@[10.0.248.3]>, size=4700 dovecot-info.log.0:Apr 14 13:29:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=952044, msgid=<[email protected]>, size=6891 dovecot-info.log.0:Apr 14 13:34:07 lda([email protected]): Info: copy from stdin: box=Bulkmail, uid=error, msgid=<1120736677264.1115884694416.1417834012.0.291256JL.1002@scheduler.constantcon..., size=44835 dovecot-info.log.0:Apr 14 13:34:07 lda([email protected]): Info: copy from stdin: box=Bulkmail, uid=error, msgid=<[email protected]>, size=42787 dovecot-info.log.0:Apr 14 13:34:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<63b529fb59de3613763afced1552234b_4334516_4774565@sbe213.proslimfitbody.ninja>, size=4407 dovecot-info.log.0:Apr 14 13:39:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<[email protected]>, size=2941 dovecot-info.log.0:Apr 14 13:59:07 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<22304076-63b529fb59de3613763afced1552234b.63b529fb59de3613763afced1552234b@s..., size=4492 dovecot-info.log.0:Apr 14 17:01:08 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=, size=5887 dovecot-info.log.0:Apr 15 17:00:09 lda([email protected]): Info: copy from stdin: box=INBOX, uid=error, msgid=<[email protected]>, size=1762 dovecot.log.9:Apr 15 11:02:42 imap([email protected]): Error: Log synchronization error at seq=3274,offset=152 for /mail/domain1.tld/user1//dovecot.index: Append with UID 302382, but next_uid = 2419524
Not a lot of errors, but not zero either. -------- Original Message -------- Subject: Re: Dovecot 2.2.16: disappearing messages, mismatched summaries, duplicated messages, excessive full re-downloads From: Timo Sirainen <[email protected]> To: David Gessel <[email protected]> Date: Thu Apr 16 2015 21:31:30 GMT+0300 (Arabic Standard Time) > On 16 Apr 2015, at 04:45, David Gessel <[email protected]> wrote: >> >> My Dovecot 2.2.16 server is interacting poorly with a variety of mail >> clients. The symptoms include disappearing messages, mismatched summaries, >> duplicated messages, and excessive full re-downloads. > > What were you running before Dovecot v2.2.16? An earlier Dovecot? A whole > different system? > >> dovecot.log shows runs of this error: >> Apr 15 09:02:37 imap([email protected]): Warning: Maildir >> /mail/domain.com/user//.Sent: Expunged message reappeared, giving a new UID >> (old uid=306286, file=1429102024.M826331P1156.host,S=1678,W=1724:2,S) >> >> or this error: >> Apr 15 10:04:00 indexer-worker([email protected]): Warning: Maildir >> /mail/domain.com/user//.Sent: Expunged message reappeared, giving a new UID >> (old uid=306803, file=1428785463.M645546P27215.host,S=5389,W=5442:2,S) > .. >> The first entry in dovecot.log.0 is at Apr 15 10:00:12, and the last entry >> at Apr 15 12:00:13; Dovecot is logging 4,490 expunged message reappeared >> messages per hour. Note the server has 4 accounts set up and very limited >> traffic, so 4,490 per hour would seem like a lot of anything to be logged. > > These really shouldn't be happening.. >
