System and method for verifying delivery and integrity of electronic messages

DC CAFC
  • US 8,468,199 B2
  • Filed: 06/25/2012
  • Issued: 06/18/2013
  • Est. Priority Date: 07/28/1999
  • Status: Expired due to Term
First Claim
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1. A method of transmitting a message from a sender to a recipient through a server displaced from the recipient, the steps at the server comprising:

  • receiving the message at the server from the sender;

    transmitting the message to the recipient;

    receiving at the server at least a portion of a data transport protocol dialog generated during transmission of the message from the server to the recipient; and

    receiving at the server from the recipient an indication of the failure to deliver the message to the recipient;

    forming at the server a first information from the at least a portion of the data transport protocol dialog and the indication of the failure to deliver the message by the recipient; and

    transmitting, before any authentication of the message, a copy of the first information to the sender from the server.

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