System and method for message filtering by a trusted third party
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United States of America Patent
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Mar 3, 2009
Grant Date -
Jul 1, 2004
app pub date -
Dec 31, 2002
filing date -
Dec 31, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for providing message filtering is described. In one configuration, a trusted third party system affixes an evisa to an electronic message thereby providing an indication relating to a filtering/prioritization procedure. The evisa may utilize cryptographic methods to authenticate a message and provide non-repudiation from the trusted third party.
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