[windows2000] Re: Glenn's Software Pick of the Week: ASSP (Anti-Spam SMTP Proxy)

  • From: "Puetz, Christoph" <christoph.puetz@xxxxxxxxxxx>
  • To: "'windows2000@xxxxxxxxxxxxx'" <windows2000@xxxxxxxxxxxxx>
  • Date: Thu, 19 Feb 2004 08:07:57 -0700

Are you running it on the SMTP Gateway or Exchange itself?

Christoph 

-----Original Message-----
From: Sullivan, Glenn [mailto:GSullivan@xxxxxxxxxxxxxx] 
Sent: Thursday, February 19, 2004 5:38 AM
To: 'Windows2000@xxxxxxxxxxxxx'
Subject: [windows2000] Glenn's Software Pick of the Week: ASSP (Anti-Spam
SMTP Proxy)

I guess the subject is misleading... I'm not picking something every week.
Buy hey, I got your attention, didn't I?

I have recently been turned onto a piece of open source software called the
"Anti-Spam SMTP Proxy" by NTSysAdmin list member Martin Blackstone.  I can't
believe what a phenomenal job it does at catching Spam, and the best part
about it is its price...

$0

Here it is:
http://assp.sourceforge.net

It is a Spam killer that functions at the SMTP level.  It has
Auto-whitelisting (anyone you mail is automatically whitelisted), Bayesian
scanning, and built in attachment blocking, and more other options than you
can shake a stick at.

I am still running in test mode, which delivers everything, but tags the
subject with text to identify spam, and I have been amazed at the accuracy.

More info upon request, but here's some rough stats for our company:

Messages Processed: 300,067
Spam Marked: 154,876
Local Mail: 125,770
Viruses Blocked: 4,971
Mail from Whitelisted Senders: 6,241
Percentage of Non-local mail that is spam: 88.9%

I can't wait to see how much lower my Exchange Server's "baseline" is when I
switch off test mode, and it no longer has to process all those spam
messages...

The "Exchange Install" directions are not as good as I'd like, and I'm
re-writing them, so they will get better eventually.  But if you'd like help
setting it up, feel free to ask.


Glenn Sullivan, MCSE+I  MCDBA
David Clark Company Inc. 
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