Preventing delivery of unwanted bulk e-mail

  • US 6,330,590 B1
  • Filed: 01/05/1999
  • Issued: 12/11/2001
  • Est. Priority Date: 01/05/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. The method of eliminating unwanted bulk e-mail comprising in combination the steps of:

  • processing e-mail messages in transit, and deriving significant identical message patterns in a set of at least two individual e-mail messages sent to different e-mail addresses to identify the presence of bulk mailings.

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