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Time and threshold based whitelisting

  • US 8,112,485 B1
  • Filed: 11/22/2006
  • Issued: 02/07/2012
  • Est. Priority Date: 11/22/2006
  • Status: Active Grant
First Claim
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1. A computer implemented method for managing electronic mail message whitelists, the method comprising the steps of:

  • monitoring incoming and outgoing electronic messages, by a computer;

    responsive to detecting an outgoing electronic message from a user to a recipient, adding a temporary whitelist entry for the recipient to a whitelist of the user by a computer, the temporary whitelist entry being set to automatically expire after a set period of time;

    delivering electronic messages from the recipient to the user without any security screening during the set period of time prior to the automatic expiration of the temporary whitelist entry, by a computer;

    analyzing electronic mail message traffic between the user and the recipient during the set period of time prior to the automatic expiration of the temporary whitelist entry, by a computer;

    responsive to results of analyzing the electronic mail message traffic between the user and the recipient during the set period of time prior to the expiration of the temporary whitelist entry, determining whether to transform the temporary whitelist entry into a permanent whitelist entry and continue to deliver electronic messages from the recipient to the user without any security screening, by a computer; and

    performing an additional step transforming the status of the temporary whitelist entry, by a computer.

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