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Old 04-07-2008, 01:13 AM   #1
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connection dropped by imap sever

I am using postfix+courier-imap-3.0.8+courier-imap-ldap-3.0.8 in linux RHEL AS R4 , every thing is configured and working fine but often i am getting "error:connection dropped by imap server " in webmail & also in outlookexpress , when i restart the server it will work for 1 or 2 Hrs properly again it stating the same error & if again i restart it will work fine.I have increased the MaxDaemons & MaxPerIP but problem didnt get solved.
Help Me to sort out this issue....

Old 04-08-2008, 01:43 PM   #2
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mail server

Restarting the entire server seems like overkill to me: restarting the mailserver by itself should be enough already. Something like: /etc/init.d/dovecot restart (this is for Fedora and Dovecot, may be different for other distros or mail server applications).

As a matter of fact, IMAP connections are usually dropped after a certain amount of time. Reconnecting will establish the connection again.

In your case I'm not even sure that the mail server causes the problem. Coul also be something on the Windows box (assuming that you don't run Outlook Express on Linux with some emulation).

Check the mail server log files for anomalies. Until that install a cron job to restart the mail server hourly.


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Last edited by marquardl; 05-01-2008 at 01:42 AM.
Old 04-10-2008, 08:38 AM   #3
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first i tried /etc/init.d/courier-imap ,/etc/init.d/postfix
but the problem didnt get solved then only i restarted the server.
is RHEL R4 kernel 2.6.9-5 is stable



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