Spamcraft: an inside look at spam campaign orchestration
Christian Kreibich, Chris Kanich, Kirill Levchenko, Brandon Enright, Geoffrey M. Voelker, Vern Paxson, Stefan Savage · 2009
Over the last decade, unsolicited bulk email—spam— has evolved dramatically in its volume, its delivery infrastructure and its content. Multiple reports indicate that more than 90 % of all email traversing the Internet