Email Mining: Tasks, Common Techniques, and Tools Guanting Tang, Jian Pei, and Wo-Shun Luk School of Computing Science, Simon Fraser University, Burnaby BC, CANADA Abstract. Email is one of the most popular forms of communication nowadays, mainly due to its efficiency, low cost, and compatibility of diversified types of information. In order to facilitate better usage of emails and explore business potentials in emailing, various data mining techniques have been applied on email data. In this paper, we present a brief survey of the major research efforts on email mining. To emphasize the differences between email mining and general text mining, we organize our survey on five major email mining tasks, namely, spam detection, email categorization, contact analysis, email network property analysis and email visualization. Those tasks are inherently incorporated into various usages of emails. We systematically...