We're using a linux box in front of our exchange server to handle spam (spamassassin) and antivirus filtering(clam av). Works very well! Have a look here on getting started: http://www.geocities.com/scottlhenderson/spamfilter.html Regards, -- Shawn Beairsto Network Administrator Data Kinetics Ltd. -----Original Message----- From: Freitas, Eduardo [mailto:Eduardo.Freitas@xxxxxxxxxxxxx] Sent: Monday, April 26, 2004 1:59 PM To: 'windows2000@xxxxxxxxxxxxx' Subject: [windows2000] SPAM SPAM AND SPAM Hello all you exchange guys!!! I was wondering if anyone has any recommendation on a spam filtering system or something like that. I have used a couple of different things on Linux, but for exchange, I am pretty lost. Any suggestions would be greatly appreciated! : ) Regards, Eduardo