> > See http://www.sortmonster.com/
>Until last week, I have never heard of Message Sniffer.

I believe it was just announced last week.

>How many here are using it and what are the results?

We're using it -- you can see how well it (and other tests) fare against 
our spamtrap at http://www.declude.com/spamtrap.htm .  When I check it, it 
seems usually be catching about 80% of the spam.  That page shows the most 
recent 20 spams received by some of our spamtraps, and which test(s) they 
failed.  SPAMCOP caught 16 of them, and SNIFFER caught 17 of them.  Between 
the two tests, they caught 19 of the 20 spams (the one they didn't catch 
actually appears to be a legitimate mail that was misaddressed).

>We have an IMGate box in place and use the more aggressive Spamcop, but
>still stuff gets by. A second line of defense would be good.

That's where this works well -- since it works by scanning the message 
contents, rather than the IP address, it complements other spam tests quite 
well.  Where you might have an aggressive spammer (such as the "DVD 
Copier") that keeps finding fresh IPs that bypass the IP-based spam tests 
for a while, Message Sniffer can catch it.

                                                    -Scott
---
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for 
IMail.  http://www.declude.com

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