[Dovecot] Timeouts connecting via POP3
Don O'Neil
lists at lizardhill.com
Thu Mar 22 05:08:19 EET 2007
Ok... It got stuck... Here is what was in the log:
Mar 21 20:00:28 kermit dovecot[25235]: pop3-login: Disconnected: Inactivity:
rip=72.193.85.114, lip=64.69.41.217
When it works right, this is what is there:
Mar 21 20:04:42 kermit dovecot[34276]: pop3-login: Login:
user=<don at lizardhill.com>, method=PLAIN, rip=72.193.85.114, lip=64.69.41.217
Mar 21 20:04:42 kermit dovecot[34276]: POP3(don at lizardhill.com):
Disconnected: Logged out top=0/0, retr=0/0, del=0/175, size=4992146
Any clues from this? Could it be related to the DirectAdmin pop-before-smtp
code? Or maybe stunnel? I haven't updated to the latest RC yet, so this may
go away, but it's quite bothersome at the moment.
-----Original Message-----
From: dovecot-bounces at dovecot.org [mailto:dovecot-bounces at dovecot.org] On
Behalf Of Timo Sirainen
Sent: Wednesday, March 21, 2007 6:38 PM
To: Don O'Neil
Cc: 'Dovecot Mailing List'
Subject: Re: [Dovecot] Timeouts connecting via POP3
On Wed, 2007-03-21 at 18:00 -0700, Don O'Neil wrote:
> auth default:
> username_chars:
> abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@&
> count: 5
> passdb:
> driver: passwd
> passdb:
> driver: passwd-file
> args: /etc/virtual/%d/passwd
> userdb:
> driver: passwd
> userdb:
> driver: passwd-file
> args: /etc/virtual/%d/passwd
Where does passwd find the users? Are you using nss_ldap or something?
Maybe the hangs are related to it? With newer Dovecot versions you can use
blocking=yes setting, which does the passwd lookups in separate dovecot-auth
worker processes, and if they use up all the processes it logs an error and
returns "Internal error" to client instead of hanging.
Also if you have more virtual users than NSS users, it's faster to put the
passwd-file passdb/userdb before the passwd, so that that the passwd-file
lookups are done first.
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