System and method for verifying delivery and integrity of electronic messages

DC CAFC
  • US 8,224,913 B2
  • Filed: 11/22/2010
  • Issued: 07/17/2012
  • 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 acting as a Mail Transport Agent, including the steps at the server of:

  • transmitting the message to the recipient'"'"'s Mail Transport Agent in a protocol dialog selected from a group consisting of the selected one of the SMTP and ESMTP protocols; and

    recording at the server some portion of the selected one of the SMTP and ESMTP protocol dialog between the server and the recipient through the server including those portions of the selected one of the SMTP and ESMTP protocol dialog between the server and the recipient in which the receiving Mail Transport Agent accepts or declines delivery of the transmitted message.

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