Awfully slow dovecot

[Marc Stürmer]

Am 25.12.2014 um 21:07 schrieb Benny Pedersen:
 >> We’re using dovecot 1.0.7, which seems to be the latest version
>> available on CentOS 5.
>
> update to centos 7
>
> if dovecot still not working, report again

And if it is then still slow because some people have folders with 
shitloads of emails, you may consider switching your mail storage over 
to mdbox with enabled compression.