[Dovecot] [SOLVED] imap sent-mail folder sometimes dosen't get updated when used by more than a mailer at the same time.

[Timo Sirainen]

On Thu, 2008-03-13 at 11:35 +0100, Diego Liziero wrote:
> Then I decided to use wireshark on the client PC and here is what I found:
> Mail clients are creating new connections to save sent mail to "Sent"
> imap folder.
> At the end of the authentication process the following helpful message
> is sent to client:
> "NO Maximum number of connections from user+IP exceeded"
> 
> Great. That's why. Our imap server is in dmz and all internal users
> are reaching this server natted from the same ip.
> 
> The fact is that error message doesn't appear in dovecot logs, and
> email clients don't say anything useful, either.
> (maybe dovecot should write it to /var/log/dovecot.log)

It is written as a disconnect reason:

dovecot: Mar 13 12:42:41 Info: imap-login: Maximum number of connections
from user+IP exceeded: user=<tss>, method=PLAIN, rip=127.0.0.1,
lip=127.0.0.1, secured

I thought Thunderbird was using max. 5 connections as default though, so
why is this happening? Is it not 5 as default or did your users change
it?
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