Identification of content by metadata
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United States of America Patent
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Oct 10, 2017
Issued Date -
N/A
app pub date -
Nov 22, 2016
filing date -
Dec 31, 2008
priority date (Note) -
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Abstract
Systems and methods for identifying content in electronic messages are provided. An electronic message may include certain content. The content is detected and analyzed to identify any metadata. The metadata may include a numerical signature characterizing the content. A thumbprint is generated based on the numerical signature. The thumbprint may then be compared to thumbprints of previously received messages. The comparison allows for classification of the electronic message as spam or not spam.
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