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Best Spam Filtering Software

I'm looking for a good spam filtering solution for Exchange Server 2003.

Anyone have any suggestions? Preferably free, but OK if it's not.
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hattmardy
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hattmardy
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3 Solutions
 
ColinRoydsCommented:
Very open question and I guess you are gonne get a lot of answers -

1. MS have there own one
http://www.microsoft.com/downloads/details.aspx?familyid=C1B08F7B-8CAF-4147-B074-8C9C8F277071&displaylang=en
2 ORF  works really well and is cheap also has good support behind it
http://www.vamsoft.com/orf/orfintro.asp
http://www.msexchange.org/software/Anti-Spam/ORF-Enterprise-Edition/Comments/
3 Mail Marshall for Exchange - Do not like very much
4 Mail Marshall for SMTP - Really like alot but expensive to implement, doe support mail filtering in a dmz, very secure
http://www.netiq.com/products/mma/default.asp
5 GFI  - Not tried personally but had had good feed back
http://www.gfi.com/mes/
6 Barracuda , easy to set up
http://www.barracudanetworks.com/

and the list can carry on and on and on and on and on

but I hope this helps
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ColinRoydsCommented:
oh and symantec and McAffee not to found of at all, don't work as well as the others
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zolcerCommented:
"preferably free"? - Well, then I probably shouldn't recommend SurfControl (expensive!), but it's the best I've ever seen. I've worked with it for years. Beats all other products in performance, accuracy, and manageability. Can be configured to the bit, still easy and intuitive to use. Free trial version available.

http://www.surfcontrol.com/default.aspx?id=800&mnuid=1.2

My personal advice: get "SurfControl for SMTP", not "SurfControl for Exchange".
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etracsupportCommented:
I use barracuda and i love it, if exchange goes down it stores the mail, very good scoring i cut down spam from 77% with software on exchange to 3% using the barracuda. one of the top products I have in my environment.


http://www.barracudanetworks.com/
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