On 04/14/2011 10:23 AM, Timo Sirainen wrote: > On Thu, 2011-04-14 at 10:18 +0200, Frank Bonnet wrote: >>>>> mail_location = >>>>> mbox:%h/:INDEX=/var/cache/dovecot/index/%u:INBOX=/var/mail/%u >>> >>> That's the way mbox format works. One IMAP or POP3 client can lock the >>> mailbox for a long time. LDA can either wait longer of fail and let MTA >>> retry the delivery later. The default is: >>> >>> mbox_lock_timeout = 5 mins >>> >>> So apparently the LDA already waited for 5 minutes for the lock. >>> >>> (There is also actually mail_max_lock_timeout setting, but the default is 0 >>> = disabled.) >>> >> >> Should I do something to correct ? > > I don't really know if there is anything except switching away from > mbox.
I plan to ... but I am hesitating on future format ... Maildir or MDBOX ? Your advice would be precious Timo :-) > >> When the problem occured some users were unable to access their mailboxes > > How long does it occur? You'd need to find out what exactly is locking > those mailboxes for that long. It could simply be the user's client. Or > I guess it could be LDA itself, or anything really.. Difficult to say. > Difficult also to tell easy way to debug this.. > > Or when this happens does it happen to many people at the same time? Is > the system load really high at that time then? > > I checked much better .... this happened to ONE (1) user ... maybe HE is the problem ... I'm gonna check which MUA/protocol he's using. Thanks
