Older versions of dovecot (all of v1) can under some circumstances screwup and leave hung login processes, this more often than not occurs if you have network issues, requiring a restart of dovecot to clear them. Timo has apparently, IIRC, worked around this for v2.x and it should not happen.
On Tue, 2012-04-17 at 16:21 +0200, Götz Reinicke wrote: > Hi, > > recently I checked our mailserver for some more tuning and optimizing > and noticed, that currently I do have 487 imap-login processes and I'm > asking myself if that's o.k. > > We do have about 1.000 user in total and not everybody is currently > logged in. > > May be this is o.k. but if not, what might I check? > > We run the dovecot package provided by redhat EL 5.8 dovecot-1.0.7-7.el5_7.1 > > Thanks for any comment or suggestion. > > Regards . Götz
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