Method and system for filtering communication
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United States of America Patent
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N/A
Issued Date -
Sep 30, 2004
app pub date -
Oct 2, 2003
filing date -
Jul 24, 1997
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A e-mail relay provides message filtering services to an e-mail network. The e-mail relay monitors incoming communication and intercepts messages. The e-mail relay extracts signature data from messages that include signature data. The e-mail relay restricts the delivery of message based on the presence and validity of signature data. The e-mail relay optionally classifies a sender in accordance with a level associated with validated signature data.
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