System and method for securely performing multiple stage email processing with embedded codes
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United States of America Patent
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Apr 26, 2016
Grant Date -
Sep 24, 2009
app pub date -
Mar 20, 2008
filing date -
Mar 20, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for performing email processing at multiple stages along an email delivery chain. A first embodiment uses an email filter to receive information about an email message from a message transfer agent and then perform limited email pre-processing on the email message. The email filter then stores instructions and data such as the results from the email pre-processing into an internet email header added to the email message. The instructions and data placed into the email header may be encrypted for privacy and security. A later email program may extract the instructions and data from the internet email header and continue the email processing. One disclosed application of the multi-stage email processing system is email authentication.
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