【摘要】 随着网络应用范围、领域的不断扩大,垃圾邮件也越来越多。为了防止垃圾邮件对网络和用户带来不必要的麻烦,从电子邮件系统的原理、结构出发,在电子邮件的发送、接收过程中研究如何对邮件的发送者进行身份认证。在电子邮件的发送服务器、接收服务器、接收者三个层次上分析垃圾邮件过滤方法。更多还原

【Abstract】 With the expanding of network’s application scope, more and more Email spam appear. The identity of Email sender should be affirmed based on the theory and architecture of Email in order to avoid the damage to the users and internet caused by Email spam.The article discusses the ways to filter email spam on three layers, send server, receive rver,receiver.更多还原