System and method for verifying delivery and integrity of electronic messages

  • US 7,865,557 B2
  • Filed: 03/16/2007
  • Issued: 01/04/2011
  • 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 through a server to a destination address for submission to a recipient displaced from the destination address including the steps by the server ofreceiving a message at a server displaced from a destination address of the recipient of the message;

  • transmitting the message to the destination address;

    storing at least a portion of a mail transport protocol dialog generated during the transmission of the message between the server and the destination address for subsequent proof of the message and the delivery of the message by the server to the destination server, whereinthe mail transport protocol dialog between the server and the destination address includes matters relating to the identities of the server and the destination address and relating to the message;

    generating an attachment to the message including the mail transport protocol dialog; and

    whereina first verification is provided by the server of the message and a second verification is provided by the server of the attachment and whereinthe message is authenticated by processing the message and the first verification by the server and the attachment is authenticated by processing the attachment and the second verification by the server.

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