A guide to centralized spam and virus filtering

Monday, 10 May 2004, 12:41 PM EST

Spam and viruses constitute an enormous amount of mail on the Internet, wasting bandwidth and clogging the queues on defenseless mail servers. If delivered, the viruses also waste company resources as they spread. Mail administrators have taken a variety of approaches to defending their users from these two culprits, but it's difficult to keep up with new techniques and viruses and worms.

This article explores the integration of Sendmail, MIMEDefang, ClamAV, SpamAssassin, and Vipul's Razor as a partial measure against spam and viruses.

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