We provide a model to study the effects of three methods of fighting spam mail, namely (1) increasing the cost of mailing messages, (2) filters, and (3) a do-not-spam registry, on...
Electronic mail services have become an important source of communication for millions of people all over the world. Due to this tremendous growth, there has been a significant in...
Spammers use questionable search engine optimization (SEO) techniques to promote their spam links into top search results. In this paper, we focus on one prevalent type of spam ? ...
By analyzing a two-month trace of more than 25 million emails received at a large US university campus network, of which more than 18 million are spam messages, we characterize th...
Understanding the spammer behavior is a critical step in the long-lasting battle against email spams. Previous studies have focused on setting up honeypots or email sinkholes cont...
Abhinav Pathak, Y. Charlie Hu, Zhuoqing Morley Mao