[BlueOnyx:08298] Re: pop password problems

[Roy Urick]

That's an odd one.  Restarting dovecot fixed it.  Bouncing the box prior to
that did not fix it. 

-----Original Message-----
From: blueonyx-bounces at mail.blueonyx.it
[mailto:blueonyx-bounces at mail.blueonyx.it] On Behalf Of Michael Stauber
Sent: Monday, August 29, 2011 11:54 AM
To: BlueOnyx General Mailing List
Subject: [BlueOnyx:08296] Re: pop password problems

Hi Roy,

> I have a handful of users that suddenly cannot pop email. If I enable 
> shell access I can login under the account, but when I pop using the 
> same password I get the wrong password error.
> Any ideas?

There can be a couple of causes for this. Newer Dovecot versions refuse the
authentication of affected accounts if they received a certain amount of
failed logins on them. In that case /var/log/maillog should report that.

The PAM_ABL support built into BlueOnyx also denies logins if a certain
amount of failed logins were registered. But if PAM_ABL was doing the
blocking, then it would also refuse login for all other services and not
just POP3 or IMAP. 
In that case events will be logged into /var/log/messages.

To get a better grasp on why the blocks happen, you may want to check the
above mentioned logfiles. 

Once you have determined the cause (or if you're in a hurry) you can try
this to see if it fixes the issue:

/etc/init.d/dovecot restart

That should flush the temporary blocks that Dovecot may impose.

/etc/init.d/pam_abl stop

That flushes the blocks that PAM_ABL imposed.

--
With best regards

Michael Stauber
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