Email Virus and Spam

Microsoft Anti-Spyware Beta
http://www.microsoft.com/athome/security/spyware/software/default.mspx

Symantec Online Virus Scan
http://security.symantec.com/sscv6/default.asp?productid=symhome&langid=ie&venid=sym

Norton Security Products

ZoneAlarm Pro

McAfee Security Products