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ABSTRACT
A new method lets you trace the origins of spam, virus attacks, or illegally copyrighted materials by locating Internet messages? regions of origin.
INDEX TERMS
trace, spam, border router packet marking, virus attacks
CITATION

T. Costlow, "Digital Postmark Helps Fight Spam, Virus Attacks," in IEEE Distributed Systems Online, vol. 5, no. , pp. 4, 2004.
doi:10.1109/MDSO.2004.3
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