[Dovecot] Dovecot IMAP is broken after upgrade from 2.1.2 to 2.1.3

[Michael Neubert]

>> I just upgraded my servers from Dovecot 2.1.2 to Dovecot 2.1.3-0~auto+5 by using
>> Debian binaries from "http://xi.rename-it.nl/debian/ stable-auto/dovecot-2.1 main".
> So what exactly is this version? dovecot --version?

At the moment the version is "2.1.3-0~auto+6" from rename-it.nl.

dovecot -n:
# 2.1.3 (4ae85f573c93): /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.4 ocfs2