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E-mail usage pattern detection

  • US 6,507,866 B1
  • Filed: 07/19/1999
  • Issued: 01/14/2003
  • Est. Priority Date: 07/19/1999
  • Status: Expired due to Term
First Claim
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1. A method for detecting undesired e-mail usage, the method comprising:

  • receiving a plurality of e-mail messages;

    storing a plurality of fields, the fields including at least one field from the header of each e-mail message from a subset of the plurality of e-mail messages; and

    analyzing the stored plurality of fields for at least one pattern, the at least one pattern indicating undesired e-mail usage, wherein said analyzing includes counting the number of fields in a subset of the stored plurality of fields, each field in the subset either being correlated with any other field in the subset, containing an identical entry, or containing at least one identical string.

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