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“Spam-Guessing” Resulting In Growing False Positives Problem
NetZero 27%
Yahoo 22%
AOL 18%
Compuserve 14%
Hotmail 8%
Mall.com
MSN
USA.net
Earthlink
BellSouth
Average Non-Delivery for Top ISPs: 15%
Assurance Systems, Feb. 2003
PPT Version