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Secure e-mail services system and methods implementing inversion of security control

  • US 20080098237A1
  • Filed: 10/20/2006
  • Published: 04/24/2008
  • Est. Priority Date: 10/20/2006
  • Status: Abandoned Application
First Claim
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1. A secure e-mail service, executable on a designated computer system having a defined association with a recipient e-mail server, implementing inverted security control over recipient content as persistently stored within a repository maintained on behalf of a recipient by said recipient e-mail server, said recipient content being provided in association with a message transmitted over a communications network from a sender computer system unassociated with said designated computer system directed to said recipient, said recipient content being accessible by said recipient from said repository, said secure e-mail service comprising:

  • a) a policy engine responsive to an e-mail message received from a communications network, said policy engine being operative to evaluate said e-mail message and provide for selection of a corresponding encryption key;

    b) a content processing engine, coupled to said policy engine, operative to encrypt a portion of said e-mail message, the encryption of said portion of said e-mail message performed to permit subsequent decryption of said portion using said corresponding encryption key; and

    c) an interface, coupled to said content processing engine, operative to provide said e-mail message, including said portion as encrypted, to said repository.

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