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Using distinguishing properties to classify messages

  • US 9,189,516 B2
  • Filed: 06/06/2013
  • Issued: 11/17/2015
  • Est. Priority Date: 02/20/2003
  • Status: Expired due to Fees
First Claim
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1. A method for classifying messages, the method comprising:

  • receiving an indication sent by a user over a communication network that an electronic message is spam;

    executing instructions stored in memory, wherein execution of the instructions by a processor;

    identifies one or more distinguishing features, wherein the identified distinguishing features include numerical URLs where domain names are hidden,generates a plurality of signatures, each signature based on one or more distinguishing features of the electronic message,compares the signatures to a list of known domains, wherein matching signatures are excluded, andcompares the remaining signatures for forbidden characters, wherein signature with forbidden characters are excluded; and

    storing the remaining signatures in memory for comparison to subsequent electronic messages.

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