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Systems methods to selectively control forwarding of electronic mail

  • US 7,228,334 B1
  • Filed: 12/28/2001
  • Issued: 06/05/2007
  • Est. Priority Date: 12/28/2001
  • Status: Expired due to Term
First Claim
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1. A method for detecting and selectively preventing the forwarding of an electronic message after receipt by the recipient, wherein the electronic message has a unique message identifier, the method comprising:

  • coding the body of the electronic message in response to a user request while the electronic message is being composed in a messaging application, before the user clicks the send command and before being sent from the messaging application to indicate a request to prevent forwarding;

    scanning the electronic message by a gateway for the request to prevent forwarding;

    storing the message identifier in a blacklist database by the gateway whenever the request is found;

    blocking, by the gateway, the forwarding of the electronic message after the electronic message has been received by the recipient when the message identifier of the electronic message being forwarded by the recipient matches an entry in the blacklist database; and

    notifying the user, by the gateway, of an attempt to forward.

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