On Wed, Jul 20, 2005 at 08:27:01PM -0400, Matt Juszczak wrote:
> Hi all,
>
> We're running postfix right now on our mail server. Mail server always
> has 97% CPU idle and we have 4 gb of RAM, to which most is usually free.
>
> We deliver mail for about 5000 accounts, but our spam filtering is
> currently outsourced to Postini. I don't know off the top of my head how
> hammered postini gets for messages addressed to our domain names, but I'm
> sure its a lot (we've been an ISP for 10 years).
>
> I have amavisd-new running on this mail server with anti virus and spam
> assassin. I'm afraid that when we turn postini off and switch our MX
> records over, the machine will just get overloaded, even though its dual
> xeon 3.4 ghz/4 GB RAM, etc....
I have tested an estimated 400K messages per day throughput on a dual
3.0GHz Xeon with 2GB RAM, running Postfix + amavisd + clamAV + some
extra (proprietary) software, but not doing final delivery to mailboxes.
I think you're probably OK. In your shoes, I would sure want to have
a duplicate machine configured to test on though. I understand that's
a bit expensive but it sure makes life simpler when upgrading software,
trying out new configurations, etc.
-- Clifton
--
Clifton Royston -- [EMAIL PROTECTED]
Tiki Technologies Lead Programmer/Software Architect
"My own personal theory is that this is the very dawn of the world.
We're hardly more than an eyeblink away from the fall of Troy, and
scarcely an interglaciation removed from the Altamira cave painters. We
live in extremely interesting ancient times.
I like this idea. It encourages us to be earnest and ingenious and
brave, as befits ancestral peoples; but keeps us from deciding that
because we don't know all the answers, they must be unknowable and thus
unprofitable to pursue." -- Teresa Nielsen Hayden, 1995
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