Virus Bulletin have done a test of spam blocking applications.
Kaspersky and Message Architect came tops....................
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The second edition of the test pitted anti-spam filters against an archived collection of spam messages, and a live stream of email from addresses set up by testers. Products were scored for the percentage of spam messages detected and the number of false positives returned.
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The top performers were Kaspersky's Anti-Spam 3.0 and Message Architects' M+ Guardian spam blocker.
Giacom's MessageStream service earned a 'gold' certification, while WebRoot's E-Mail Security, FortiMail and BitDefender Security for Mail Servers all earned 'silver' certifications.
Unfortunately you need to be a Virus Bulletin subscriber to see the full article :(Quote:
Among the worst performers in the test were ClamAV and Spam Assassin. ModusGate also missed out on earning a certification due to a high rate of false positives.

