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E-mail Stamping with accredited entity name

  • US 7,917,943 B1
  • Filed: 12/01/2006
  • Issued: 03/29/2011
  • Est. Priority Date: 12/01/2006
  • Status: Active Grant
First Claim
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1. A method for validating a sender of an e-mail message, the method comprising:

  • receiving an e-mail from the sender, the e-mail including a header, the header having a first field, the contents of the first field indicating the sender'"'"'s identity;

    determining, by an authority, that the sender is authorized to use the identity indicated by the contents of the first field;

    inserting, by the authority, a second field in the header, the contents of the second field indicating that the sender is authorized to use the identity indicated by the contents of the first field;

    determining an entity name associated with the sender;

    inserting, by the authority, a third field in the header, the contents of the third field indicating the entity name associated with the sender; and

    inserting a token in the header, the token including a digital signature associated with the authority.

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