Experiences with Greylisting

Blacklisting, Whitelisting, Greylisting? This article helps define Greylisting, and takes a deeper look at the Pros and Cons of this technique of SPAM abatement.

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About Dr. John R. Levine

Dr. John R. Levine obtained his PHD in Computer Science from Yale University in 1984. He has authored over 20 books including the best sellers, Internet for Dummies, Fighting Spam for Dummies, and UNIX for Dummies. Dr. Levine has served as expert witness on a variety of computer related topics. Additionally John has written white papers and mini papers on several topics.

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