How Antispam Software Works

March 31, 2003 | Source: Wired

Smarter filtering techniques — from rules-based analysis to artificial intelligence — promises to eradicate junk mail.

Bayesian filtering, the most promising new technique, learns and relearns how to spot spam by scanning the mail you’ve read and the mail you’ve rejected. It filters out more than 99 percent of unwanted messages.

The Top 25 subject-line words and symbols: Fwd, Free, Get, FREE, $, !, SPAM, You, Your, Norton, Credit, Save, 000, Now, Check, Year, Make, Sale, Money, DVD, just, now, Lose, software, Earn.