Using message features and sender identity for email spam filtering
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United States of America Patent
Stats
-
Mar 1, 2011
Grant Date -
N/A
app pub date -
Dec 31, 2004
filing date -
Dec 31, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Email spam filtering is performed based on a sender reputation and message features. When an email message is received, a preliminary spam determination is made based, at least in part, on a combination of a reputation associated with the sender of the email message and one or more features of the email message. If the preliminary spam determination indicates that the message is spam, then a secondary spam determination is made based on one or more features of the received email message. If both the preliminary and secondary spam determinations indicate that the received email message is likely spam, then the message is treated as spam.
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