lst_ho...@kwsoft.de wrote:
Zitat von Nataraj <incoming-post...@rjl.com>:
Hi,

I would appreciate any suggestions anyone can offer on the following problem that I'm having with postfix...
I'm running postfix+pgsql-2.3.3-2.1.el5_2 on a CentOS 5.4 server.  I 
see what looks likes a server in stress mode as described in 
http://www.postfix.org/STRESS_README.html except the odd think about 
it is that the server is not heavily loaded and I sure can't see 
where it's exceeding any process limits.  What's even odder is it 
doesn't appear that the stress code is implemented in this version.
If I telnet to port 25 I get an immediate SMTP greeting followed in 
10 seconds by
421 4.4.2 mymail.com Error: timeout exceeded
and the connection being closed.
The following maillog entry is logged:
May 3 16:44:06 mymail postfix/smtpd[22573]: timeout after CONNECT from 173-12-149-200.client.myisp.com[173.12.149.200]
Why do you think your Postfix server is "stressed"?? The automatic 
stress-dependant features are introduced in version 2.5 as far as i 
know so your Postfix does not support -o stress at all. If you only 
have 4 smtpd running and your server show greeting immediately when 
telneting to port 25 all should be fine.
I don't think it is a stress condition.  The problem is that it is 
timing everything out.  Further checking shows, it times out inbound 
SMTP connections in like 3-4 seconds and fails outbound deliveries to 
slow servers.  The transports also timeout and bounce messages.
Regards

Andreas



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