近年来,电子邮件方便人们的生活,同时,也有大量的垃圾邮件不断涌现,随之也出现了各种垃圾邮件过滤技术.文中主要介绍基于信件源垃圾邮件过滤技术和基于内容的垃圾邮件过滤技术,通过对这两种技术的介绍,分析了垃圾邮件过滤技术的优缺点,并对垃圾邮件过滤技术中存在的问题进行了讨论.垃圾邮件发送者不断改变发送策略以逃避过滤技术的过滤,垃圾邮件发送策略也不断的更新.文中对近年来垃圾邮件发送的新策略进行了详细的阐述,讨论目前垃圾邮件过滤技术研究中遇到的问题和挑战.%In recent yean, E-mail facilitates people's lives,at the same time,there ate a lot of spam continues to emerge,subsequently there have been various spam filtering techniques. In this paper, based on letters source spam filtering and content-based spam filtering is introduced. Through the introduction of the two technologies,analyze the advantages and disadvantages of spam filtering technology, and the spam filtering technology problems are discussed Junk mail senders constantly change their sending strategies to escape to be filtered, the strategy has constantly update and discuss the current spam filtering technology issues and challenges encountered.
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