Hi, please post your doveconf -n
Sami > On 16 Apr 2018, at 20.17, [email protected] wrote: > > Hi, > > today we have exceprienced really major difficulties with our proxy backend > servers. Everything started after enabling auth cache: > auth_cache_size = 100M > auth_cache_verify_password_with_worker = yes > auth_cache_ttl = 1 hour > auth_cache_negative_ttl = 1 hour > > Soon after we start receiving lots of calls from our customers about 'missing > all e-mail messages'. This was in errors logs on master server: > > Apr 16 14:37:10 server00 dovecot: imap(<censored_email_address>): Error: > autoexpunge: Couldn't create dovecot.autoexpunge.lock lock: > file_create_locked(/var/mail/vhosts/<censored_domain>/<censored_name>/home/dovecot.autoexpunge.lock) > failed: > safe_mkstemp(/var/mail/vhosts/<censored_domain>/<censored_name>/home/dovecot.autoexpunge.lock) > failed: No such file or directory > > Looks like that all users, who are placed on proxy backends, were logged > correctly BUT not proxied to the right server so they saw empty mailboxes > (Dovecot also created some directories on master server). What is worse, > their email software deleted all local emails so they are now downloading > everything from scratch (100Gs of mails so it will take some time). > > After auth cache was disabled, things started to go to normal EXCEPT users > were reporting they don't see all folders - which was true, only few on them > were visible (INBOX, trash, sent etc.). We tried everything to make them > visible again, for example deleting indexes, but nothing helped. Finally, > removing option ITERINDEX from mail_location helped. > > Can anyone explain what happened? Thank you > > azurIt > >
