Re: backscatter - # of open/free smtp connections

From: (no name) (no email)
Date: Sun Feb 01 2004 - 11:37:10 EST


On Sun, 1 Feb 2004, Austen Constable wrote:

> I've been having a problem with backscatter on my postfix mail server,
> my incoming smtp connections set in master.cf is 500, but this does not
> seem to be enough as i'm still getting time out errors when trying to
> connect to postfix to send mail. I have the cpu/ethernet/memory/open
> file handles all graphed using rrdtool, and so I can see that I have
> some resources to spare.
>

Count the number of established TCP connections with a local endpoint port
of 25. The data would indeed come from netstat.

Make sure it is indeed "smtpd" and not "smtp" whose process limit you set
to 500.

-- 
	Viktor.







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