A few questions I can't find in archive...

Nick Nelson nnelson at 1SEO.NET
Fri Feb 27 21:19:35 GMT 2004

Raymond Dijkxhoorn wrote:

>>Secondly, the purpose of this machine will be hopefully to scan all
>>incoming and outgoing mail for about 30 mailservers. I have also
>>reviewed a commercial device (BarracudaNetworks.com) which doesn't seem
>>to offer that many advantages, the one advantage it offers, which I'm
>>guessing MS does too is the ability to specify:
>>domain1.com -> mail1.host.com
>>domain2.com -> mail3.host.com
>>domain3.com -> mail32.host.com
>This you do in your mailer, if you configure MS with sendmail for example
>you can do this easilly with the mailertable.
We use exim right now. I'll research that further on Exim. I understand
MS tends to perform better on exim as well? However if it's easier (or
better) on sendmail to forward the mail along. Might end up doing that
anyhow. What about as far as SMTP goes? Do the clients just set the SMTP
server in their MUA to the IP of the MS server?

>>Any input on the use of MS over say BarracudaNetworks produt which will
>>run at minimum for a dual xeon/opteron configuration in the $7000 range?
>You can buy two or three dual xeons for that ammount of cash, whats the
>ammount of mail you need to scan ?
Well, it'll start out for very little, and move up, however, with the
cost difference I'm apt to just getting more dual xeons. Basically the
$7000 machine at barracudanetworks claimed to do 25million emails a day,
handling 25,000 active users.

I don't foresee ever doing nearly that. Is there a general rule on how
much mail a Dual Xeon (with SCSI or SATA) and 1-2Gig of RAM can handle
per minute/per day? Or better yet in my situation, how many different
domains? We have roughly 400-500 different domains on each dual xeon we
use for hosting right now. 35-40 machines. We will slowly be moving them
over. Most of the domain are pretty inactive users, not that many pieces
of mail per day.

Thanks for the quick reply :)


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