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System and method for controlling the downstream preservation and destruction of electronic mail

  • US 20050204008A1
  • Filed: 03/09/2005
  • Published: 09/15/2005
  • Est. Priority Date: 03/09/2004
  • Status: Abandoned Application
First Claim
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1. A system for controlling the downstream preservation and destruction of electronic mail, comprising:

  • means for encrypting a message, the message consisting of an electronic mail message, an access control list containing an electronic mail address of a recipient, and a policy limiting use of said electronic mail message by said recipient; and

    means for authenticating a reader for said recipient'"'"'s electronic mail address, said authenticated reader being adapted to decrypt said message and apply said policy, wherein said authenticated reader extracts said access control list from said encrypted message and determines whether said recipient'"'"'s electronic mail address is on said access control list.

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