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Processing electronic messages

  • US 7,958,213 B1
  • Filed: 09/21/2000
  • Issued: 06/07/2011
  • Est. Priority Date: 09/21/2000
  • Status: Expired due to Fees
First Claim
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1. An electronic messaging system for filtering electronic messages, comprisinga message server operable to receive and transmit electronic messages including electronic mail messages, the message server comprising an access restriction filter comprising a character recognizer configured to translate characters in image components of respective ones of electronic messages into computer-readable character representations,wherein the access restriction filter is configured to detect an access restriction notice in the respective ones of the electronic messages by comparing the one or more translated computer-readable character representations respectively produced by the character recognizer to respective representations of one or more access restriction notices stored in memory, the access restriction filter being additionally configured to respond to the detection of the access restriction notice in accordance with a prescribed transmission policy for handling electronic messages containing the detected access restriction notice.

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