[Dovecot] Dovecot extremely slow!

[Steffen Kaiser]

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On Wed, 25 Sep 2013, Patricio Rojo wrote:

> I can click on an email and wait for a minute or more before receiving a 
> connection dropped or no error at all.  I use many clients (thunderbird, 
> windows 8 mail, maildroid for android, squirrelmail) and they all have 
> similar behavior.  It happens both in the inbox and on imap subfolders. 
> Sometimes it helps changing subfolders back and forth.
>
> I have many imap folders organized in up to 3 levels of subfolders and use 
> postfix for delivery.

What about I/O load on the server? Something in kernel log? Do you use 
FTS? Do you get many messages at once?

Then, as Lukreme and Bob already said, provide doveconf -n and check out 
Dovecot logs, for "Error" and "Warning".

- -- 
Steffen Kaiser
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