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April 18, 2005
Suresh on Port 25 Blocking
Suresh Ramasubramanian, the force of nature antispam guy from Outblaze, does a number on the myth of SPF as the end of spam and discusses port 25 blocks as an antispam tactic in a recent article for circleid. Also of relevance is this eweek article by Larry Seltzer urging ISPs to block port 25 now.
Posted by schampeo at April 18, 2005 11:35 AM