Patent ID: 7580982

Claim:
A method, comprising the steps of: a) building a general mail corpus, a general spam corpus, a user mail corpus and a user spam corpus, b) building a general probability table based on said general mail corpus and said general spam corpus, wherein said general probability table comprises a list of tokens and corresponding probabilities of a token being a part of a spam email message, c) building a user probability table based on said user mail corpus and said user spam corpus, wherein said user probability table comprises a list of tokens and corresponding probabilities of a token being a part of a spam email message, d) receiving an email message, e) extracting a link from said email message, f) downloading a content of a resource referred by said link, g) parsing said content into a plurality of tokens, h) finding a token score for each token in said plurality of tokens, comprising the steps of: h1) searching said user probability table for each token, h2) if said token is not listed in said user probability table, searching said general probability table for said token, and h3) if said token is not listed in said general probability table, ignoring said token or setting said token to a nominal value, i) determining a desirability value for said link, and j) routing said email message based on said desirability value.