关键词: 垃圾邮件, 黑白名单, 规则过滤, 贝叶斯过滤

Abstract: Along with wide application of e-mail nowadays, a large number of spam flood into people’s life and bring catastrophe to their work and study. Now new spam is changeable which makes traditional and single method for anti-spam powerless. In response to this problem, three popular spam filtering technologies were introduced, which have been implemented on spam filtering field. After analyzing their advantages and disadvantages, The white and black lists technology, Rule-based filtering technology and Bayesian filtering technology to make the best use of the advantage of these algorithms were integrated. Consequently a layered spam filtering system model was set up, and the performance analysis of the system was made.

Key words: Spam, White and black lists, Rule-based filtering, Bayesian filtering