Spam comprises approximately 90 to 95 percent of all e-mail traffic on the Internet nowadays, and it is a problem far from being solved. The losses caused by spam are estimated to reach up to $87 billion yearly. When fighting spam, most of the proposals focus on the receiver-side and are usually resource-intensive in terms of processing requirements. In this paper we present an approach to address these shortcomings: we propose to i) filter outgoing e-mail on the sender side and (ii) use lightweight techniques to check whether a message is spam or not. Moreover, we have evaluated the accuracy of these techniques in detecting spam on the sender side with two different data sets, obtained at a Dutch hosting provider. The results obtained with this approach suggest we can significantly reduce the amount of spam on the Internet by performing simple checks at the sender-side. © 2010 Springer-Verlag.
CITATION STYLE
De Vries, W. W., Moura, G. C. M., & Pras, A. (2010). Fighting spam on the sender side: A lightweight approach. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6164 LNCS, pp. 188–197). https://doi.org/10.1007/978-3-642-13971-0_18
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