ISPs could cut spam easily, says expert - try port 25 blocking, says Trend

Posted in: Spam at 19/01/2010 16:09

Two simple techniques could be used to strangle botnets, a security expert has claimed. First, block email port 25 by default. Second, tell users when they are spewing spam from compromised PCs.

According to Trend Micro's CTO, Dave Rand, who is leading a campaign to reform the way ISPs approach the matter of botnets and spam, the two countries that adopted such techniques, The Netherlands and Turkey, have seen a huge reduction in the numbers of botnetted PCs.
http://news.techworld.com/security/3210489/isps-could-cut-spam-easily-says-expert/

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