Hash-based systems and methods for detecting and preventing transmission of unwanted e-mail

A system detects transmission of potentially unwanted e-mail messages. The system may receive e-mail messages and generate hash values based on one or more portions of the e-mail messages. The system may then determine whether the generated hash values match hash values associated with prior e-mail...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Milliken, Walter Clark, Strayer, William Timothy, Milligan, Stephen Douglas
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A system detects transmission of potentially unwanted e-mail messages. The system may receive e-mail messages and generate hash values based on one or more portions of the e-mail messages. The system may then determine whether the generated hash values match hash values associated with prior e-mail messages. The system may determine that one of the e-mail messages is a potentially unwanted e-mail message when one or more of the generated hash values associated with the e-mail message match one or more of the hash values associated with the prior e-mail messages.