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IDENTIFYING IP ADDRESSES FOR SPAMMERS

  • US 20090216841A1
  • Filed: 02/21/2008
  • Published: 08/27/2009
  • Est. Priority Date: 02/21/2008
  • Status: Active Grant
First Claim
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1. A method for use in managing delivery of content over a network, comprising:

  • determining, based on message size, a distribution of messages for a plurality of messages received from an IP address;

    determining from the distribution of messages a message entropy for the IP address;

    if the message entropy is determined to be statistically significant from message entropies of at least one known non-spammer IP address, then classifying the IP address as a potential spammer; and

    selectively inhibit sending of messages from the IP address to message recipients.

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