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Identification and filtration of digital communications

  • US 7,406,506 B1
  • Filed: 05/18/2007
  • Issued: 07/29/2008
  • Est. Priority Date: 07/15/2002
  • Status: Expired due to Term
First Claim
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1. A method to handle digital communications, the method comprising:

  • receiving a complaint communication from a receiving system, the complaint communication being generated in response to a first digital communication received by the receiving system;

    accessing a first digital signature for at least a portion of the first digital communication in response to the complaint communication;

    selecting a second digital signature from among multiple stored digital signatures;

    comparing the first digital signature with the second digital signature;

    determining that the first digital signature matches the second digital signature based on the comparison of the first digital signature with the second digital signature;

    in response to determining that the first digital signature matches the second digital signature, incrementing a counter associated with the second digital signature; and

    modifying the handling of digital communications that include at least a portion having a digital signature that matches the second digital signature based on the counter associated with the second digital signature.

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