UnixReview.com: Tool of the Month: Vipul's Razor

"There are few things in life that annoy me as much as spam -- and I'm not talking about the canned meat by-product variety. Unsolicited ads are annoying in any form, but the nature of spam is parasitic as well: it steals time and bandwidth. So, for my money, anything that helps defeat spam is a Good Thing.

Because spam is sent out in massive batches, many people receive the same spam at about the same time. Wouldn't it be a great thing if the first person to receive a particular piece of spam could send out a warning for the rest of us? That's the concept behind Vipul's Razor, a distributed network for reporting and filtering spam.

Vipul's Razor is written in Perl and -- as long as you've got a working Perl install -- is very easy to set up. It took me less than five minutes to download and install Vipul's Razor on a Slackware 8.0 machine, and a few minutes more to configure a .procmail script to mark spam with a distinguishing subject line. It's also possible to leave the subject alone but add a "Warning" header, or to simply file the offending email in a special mailbox."

Complete Story

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• DevX: Procmail 'Passthrough' Partners for Powerful E-mail Filtering(Dec 20, 2001)
• Community: SOSDG Looking For Assistance With The SBL (new spam blocking list)(Aug 05, 2001)
• Pierre Abbat: Procmail recipe for getting rid of the Sircam worm(Jul 24, 2001)