How Antispam Software Works

Thursday, 27 March 2003, 12:27 PM EST

If it seems like you're getting more spam than ever, take comfort - the junk email tide may be about to turn. Until recently, antispam forces thought there was no way to catch enough unwanted mail to make a difference. As quickly as programmers added filters, spammers came up with new ways to spell v!agra, $ex, and f*ck. But now a raft of smarter filtering techniques - from rules-based analysis to artificial intelligence - promises to better shield your inbox. Here's how the most effective software works.

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