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Hello, We have a dovecot servers farm with storage in NFS and indexes in local files. Under heavy load conditions we a log of messages in the form: Sep 3 12:35:49 myotis32 dovecot: imap(<imapuser>): Warning: Maildir: Scanning <maildir cur directory> took 62 seconds (9516 readdir()s, 0 rename()s to cur/, why=0x80) We have check that messages are directed with lmtp to the same server the user (scenario 3 at http://wiki2.dovecot.org/NFS with director in...

...yuser> shared.t.cron # sudo doveadm mailbox list -u <myuser> -s INBOX ... ... shared.t.cron but when I try to access to this folder through thunderbird (what I really do in TB is subscribe/unsubscribe to it, because it is not actually listed in the folder list), I get: Feb 26 13:35:03 myotis32 dovecot: imap(<myuser>): Error: Couldn't create namespace 'shared.' for user shared: userdb didn't return a home directory, but plugin setting quota used it (%h): dict:User quota::file:%h/Maildir/dovecot.quota With doveadm commands I can access to the shared folder from m...

...riggered a problem in director servers where almost nobody could open a new session. In our director's logs I could see errors like this: Mar 20 20:52:47 myotis41 dovecot: imap-login: proxy(<user>): Login failed to 155.54.211.162:143: [UNAVAILABLE] Temporary authentication failure. [myotis32:2013-03-20 19:52:47] So, it seems it was trying to authenticate for 1 hour, after that it timed out the login. But this timeout is too long. Is this a director timeout? Or a backend timeout? How can I reduce it? -- Angel L. Mateo Mart?nez Secci?n de Telem?tica ?rea de Tecnolog?as de la In...