Analysis of the Spamcop Blocking List

Jeremy Howard – 25 February 2003

Our users have reported many problems with the SpamCop Blocking List (SpamCop BL) over the last year. I decided to analyse this system, and discovered many flaws. I have released a paper, Why the SpamCop Blocking List is harmful, which has also been posted at Declan McCullagh's Politech.