July 11, 2006
MS RBL Strategy Swaps Accuracy For Convenience
zanek writes "The admins at Microsoft IT make their anti-spam strategy brutally clear: They depend, first and foremost, on the anti-spam technique most riddled with inaccuracies, failures and outright corruption: blocklisting. Email Battles compares Microsoft's first-contact blocklisting technique with first-contact deferral. While both methods get you to the same net delivery rate, one is far more likely to deliver the mail you want."