SMTP mail relay server for SPAM filtering

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Author: Craig White
Date:  
Subject: SMTP mail relay server for SPAM filtering
On Thu, 2002-06-20 at 01:03, Scott Henderson wrote:
> My company, like many, I'm sure, is wrestling with spam email.
> Currently we're handling it manually, creating blocks on our
> Exchange server based on IP addresses. We are not being given
> any budget to solve this problem, but we do have a few spare
> servers sitting around. I'm thinking this may be an opportunity
> to show the MS-based IT Dept what can be done with some Open
> Source software. I'd like suggestions on how to set up an SMTP
> mail relay box and anti-spam software. I have a year or so
> experience with a few Linux distros on my desktop and laptop at
> home, so I'm no wizard, but I can usually find my way around.
> Is this doable? We average around 6-700 SMTP emails per hour
> during the day, and spike to maybe 1500 on occasion. I want to
> set the box up inside the DMZ, in front of the Exchange server,
> and just have it relay to and from that box. What distro? What
> software? How to config? Any HOWTOs on this or other resources?
> Thanks much!

----
spam assassin

<http://spamassassin.org/>

use whatever distro.

I would have this box the primary mx for incoming mail. Check it with
spam assassin and then forward it to the exchange server.

Craig