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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