Spam slayer: spotting the good guys

Wednesday, 24 September 2003, 9:46 AM EST

A spam filter is like a doorman at an exclusive nightclub; its job is to turn away unwelcome visitors while letting invited guests inside. But because filters can give the boot to legit e-mail along with spam, e-mail service providers are desperate to get on the guest list.

Their solution? Reputation rating systems that separate the party crashers from the VIPs.

[ Read more ]

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