by George Ou

Fix SMTP and leave port 25 alone for the sake of spam by ZDNet’s George Ou — Larry Seltzer of eWeek, whom I have great respect for and usually agree with, wrote this article on dealing with spam using the controversial tactic of blocking all outbound port 25 access.? The logic behind this is that the vast majority of spam in the world comes from “zombies” (millions of computers that have been hijacked by professional hackers and spammers?and are used as?attack or spam platforms) that spew out tons of spam directly over TCP port 25 (a standard communication channel used specifically for e-mail).? I think this is a bad idea. Here’s why […]

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