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E-mail filtering services using Internet protocol routing information

  • US 20060155808A1
  • Filed: 03/08/2006
  • Published: 07/13/2006
  • Est. Priority Date: 09/29/2000
  • Status: Active Grant
First Claim
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1. A method of managing the delivery of electronic messages from sending e-mail servers to destination e-mail servers, the method comprising:

  • receiving an electronic message sent from a sending e-mail server;

    examining IP routing information associated with the electronic message; and

    deciding whether to block delivery of the electronic message at least in part based on the examination of the IP routing information and message content.

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