[Dovecot] dovecot temporary suspension all of pop3 login about 5 minutes

[Steffen Kaiser]

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On Fri, 25 Apr 2014, Jason wrote:

> When the user login P0P3 more than 10 times in 1 minute that the dovecot temporary suspension all of pop3 login about 5 minutes.
>
> How to disable the setting for dovecot.

> Apr 24 16:11:14 mww dovecot: pop3-login: Login: user=<scan>, method=PLAIN, rip=192.168.16.84, lip=192.168.16.159, mpid=8767, session=<5USPZMX3/QDAqBBU>
> Apr 24 16:11:14 mww dovecot: pop3(scan): Disconnected: Logged out top=0/0, retr=0/0, del=0/0, size=0
> Apr 24 16:11:15 mww dovecot: auth-worker: Error: no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory

> # 2.2.9: /etc/dovecot/dovecot.conf

> doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:99:
> ssl_disable has been renamed to ssl
...
> ssl = no

Check out last log line, it's a bug. First try update your config, then 
upgrade to v2.2.13, then let us know if your bug is fixed.

BTW: I do not find no loadparm.c in v2.2.12.

http://ubuntuforums.org/showthread.php?t=2214042
http://osdir.com/ml/ubuntu-bugs/2014-04/msg16458.html
http://ubuntuforums.org/showthread.php?t=2218612

Looks like an Ubuntu bug with authentifications.

- -- 
Steffen Kaiser
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