Spam’s New Nemesis: ‘Trust-Based’ Messages

A peek at most office e-mail systems will tell you that we’re losing the war against spam .Spammers sent nearly 11 trillion spam e-mails in 2007, edging out legitimate messages. And more of those unwanted pitches are getting through even the most elaborate corporate filtering systems.But help is on the way, says David Crocker, who has been contributing to e-mail standards since the 1970s.A new Internet standard called Domain Keys Identified Mail, or DKIM, uses software and special codes to discern messages from companies and people we know, or who are already vetted by a third party screener.

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