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MailBlocks sues Earthlink over Anti-Spam Tech

Posted by CmdrTaco on from the eggs-bacon-sausage-and dept.

goombah99 writes "Mailblocks is suing Earthlink , claiming patents on Challenge-Response as a means of blocking spam. Slashdot recently discussed Earthlink's plans to implement a challenge-response email system. The next day mailblocks filed suit to defend their turf in the $118 million dollar anti-spam solutions market. MSNBC has a complete discussion."

1 of 336 comments (clear)

  1. I did this with sendmail in 1996. by Dark+Coder · · Score: 0, Redundant

    I'm sorry. This is a definite prior-art by truly me.

    We all gain, and MailBlock loses.