[qmailtoaster] courier imapd can not handle many connections

2011-01-12 Thread Richard Chen
We have noticed that when the number of imapd processes reaches
about 120, no further connections are possible. We have already
changed the connection limits in /etc/courier/imapd:

MAXDAEMONS=640
MAXPERIP=500

The server load is very load and there are no disk i/o issue when
this happens.

The problem is that the connections do not seem to exit so
those clients who can not connect will not be able to fetch mails.

We end up periodically killing the imapd daemon to reset the connections.

Perhaps there are other parameters that need to be changed in
the qmailtoaster package that need to be changed as well?

Thanks for any info

Richard

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Re: [qmailtoaster] courier imapd can not handle many connections

2011-01-12 Thread Maxwell Smart

 Courier has limitations.  You might consider Doevcot.

On 01/12/2011 06:52 AM, Richard Chen wrote:

We have noticed that when the number of imapd processes reaches
about 120, no further connections are possible. We have already
changed the connection limits in /etc/courier/imapd:

MAXDAEMONS=640
MAXPERIP=500

The server load is very load and there are no disk i/o issue when
this happens.

The problem is that the connections do not seem to exit so
those clients who can not connect will not be able to fetch mails.

We end up periodically killing the imapd daemon to reset the connections.

Perhaps there are other parameters that need to be changed in
the qmailtoaster package that need to be changed as well?

Thanks for any info

Richard

-
Qmailtoaster is sponsored by Vickers Consulting Group 
(www.vickersconsulting.com)
 Vickers Consulting Group offers Qmailtoaster support and installations.
   If you need professional help with your setup, contact them today!
-
  Please visit qmailtoaster.com for the latest news, updates, and packages.

   To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com
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-
Qmailtoaster is sponsored by Vickers Consulting Group 
(www.vickersconsulting.com)
   Vickers Consulting Group offers Qmailtoaster support and installations.
 If you need professional help with your setup, contact them today!
-
Please visit qmailtoaster.com for the latest news, updates, and packages.

 To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com

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