[Dovecot] Dovecot (IMAP) Hangs sometimes

[Steffen Kaiser]

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On Thu, 7 Jan 2010, Mario Gomide wrote:

> I'm using Dovecot 1.0.7 in RHEL 5.4 64bits as a IMAP/POP3 server.

> and stuff. After a while it times out and doesn't connect. Then the clients
> (e.g. outlook, thunderbird) start taking long to connect and then they
> timeout. Important: Only IMAP connections timeout! POP3 continues ok. This
> latency keeps on going until dovecot finally hangs (after about 10 to 15
> minutes). The problem is solved when I restart/reload dovecot.

I had similiar problems once. The problem went away after I increased the 
maximum number of open file descriptors (ulimit -n).

Maybe, you should upgrade, v1.0 is pretty old.

Regards,

- -- 
Steffen Kaiser
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