SpamBands: a Methodology to Identify Sources of Spam Acting in Concert

In 2012, estimates indicated that 68.8% of all e-mail traffic was spam, what suggests this is still a relevant problem. Recently, some works have focused on the analysis of spam's traffic inside the network, analyzing the protocols used and the AS which originate the traffic. However, those works usually do not consider the relationships between the machines used to send spam. Such an analysis cou...