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System and method for secure use of messaging systems

  • US 9,721,119 B2
  • Filed: 09/17/2015
  • Issued: 08/01/2017
  • Est. Priority Date: 05/21/2010
  • Status: Active Grant
First Claim
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1. A system for securing messages comprising one or more computing devices of a restricted access network including:

  • a computing device configured to function as a forward mediator of the restricted access network to;

    receive an original plaintext message comprising an original recipient address having an original recipient domain,process the original message to provide a processed message, wherein the processing includes transforming at least a portion of the original plaintext message and the recipient address and replacing the original recipient domain by appending a different domain of a reverse mediator to cause a server to route the processed message via the reverse mediator, andforward the at least one processed message to the server of a messaging system of a public network; and

    a computing device configured to function as a reverse mediator of the restricted access network to;

    receive a processed message from the server, andprocess the received processed message to provide an unprocessed plaintext message for forwarding to a recipient.

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