I have about 22 clients. I had these settings before I set the TIMEOUT higher.

NCHILDREN=60
MAXCONNECTS=20
TIMEOUT=1000

These are very similar to yours but I tried your setings. It did not help. I still have the problem...

Aron


Paul J Stevens wrote:

Try these:

Set NCHILDREN higher.
Set MAXCONNECTS and TIMEOUT *much* lower.

example: If you run a 1.2.11 machine with 10 clients:

NCHILDREN=50
MAXCONNECTS=10
TIMEOUT=600

This will eat connections with the database for lunch though. So experiment. Especially NCHILDREN is critical. dbmail-1.2 doesn't have dynamic preforking so if your process pool is drained you're in trouble.

It may also be a dbmail issue.

Thunderbird will drop TCP sessions dead on the floor if it doesn't like the server response. Earlier dbmail versions had a hard time dealing with those situations. It took me a couple of hours tracing with ethereal to realize what was going on. It's still something I do when I run into unresponsive thunderbird clients.




Preisinger Aron wrote:

Sorry, I was wrong. The problem still exists, but not so frequently... It can be reproduced with any kind of mailclients...
It is a very big problem.
Please help me!

Aron


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