[Dovecot] Log Message Disconnected: Disconnected

[Timo Sirainen]

On Thu, 2007-08-23 at 14:09 -0600, Jackie Hunt wrote:
> We just started running Dovecot this summer at our campus.
> Overall things have gone very well, and performance have
> improved since moving off of U of Wash.
> 
> We have run into an issue with a user running Thunderbird 
> 2.0.0.6 on Solaris.  He is seeing a very long response time (20mins+)
> on his first mailbox selection each morning when he comes into 
> work. 

You could set auth_verbose=yes to see if the problem is before or after
authentication.

> I looked at the Dovecot log, and the only think I can see that
> might be a bit out of the ordinary is two Disconnected messages
> that happen about 30 minutes apart each morning:
> 
> Aug 17 04:54:08 host dovecot: IMAP(uname): Disconnected: Disconnected
> Aug 17 05:24:09 host dovecot: IMAP(uname): Disconnected: Disconnected
> 
> The disconnected messages for other users say "Disconnected: Logged Out".
> I don't know for sure if these messages are related to his problem.  
> Can anyone can shed some light on why Dovecot might indicate a "double
> disconnect"?  

"Disconnected" means simply that the kernel told Dovecot that the
connection got disconnected. The client didn't log out, and the
connection wasn't idling over 30 minutes.

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