As a round-the-clock working telecom product, it is more important to filter spams and discover the denial of service by recerving a mass of junk mails than common mail system.
相比较一般的邮件系统而言，作为一个需要全天候稳定运行的电信产品，对垃圾邮件过滤以及如何发现和预防由于垃圾邮件造成系统拒绝服务的要求显得更为迫切。
The article introduces the spams definition, harm and sources, explains the solutions to deal with spam, especially the theory of mail filter.
介绍了垃圾邮件的定义、危害和来源，阐述了防范垃圾邮件的几种技术与措施，着重研究探讨了邮件过滤技术的原理及应用。
The article introduces the spams definition, harm and sources, explains the solutions to deal with spam, especially the theory of mail filter.
介绍了垃圾邮件的定义、危害和来源，阐述了防范垃圾邮件的几种技术与措施，着重研究探讨了邮件过滤技术的原理及应用。
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