System and method for detecting sources of abnormal computer network message
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United States of America Patent
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Jun 16, 2020
Grant Date -
Feb 9, 2006
app pub date -
May 26, 2004
filing date -
May 7, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates generally to a system and method for the monitoring of email and other message traffic on a network. The intent of the monitoring to determine if message traffic is abnormal, thus indicating unwanted messages such as spam. A number of methods may be utilized by the invention to recognize unwanted messages, including the calculation of fanout, the number of messages sent by a unique host, unique email address or domain. Also included is fanin, the number of messages received from unique hosts, unique domains or unique email addresses. Further components consider the number of error messages received from a host, variations in bandwidth from a host, and variations in message content from a host.
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