基于Postfix的垃圾邮件过滤技术的实现

Implementation of anti-spam technology based on postfix

随着电子邮件的广泛应用,邮件系统的安全性对整个系统的安全起到了很重要的作用。配置不安全的邮件服务器,可能会受到从拒绝服务、入侵到邮件中继、垃圾邮件之类的攻击。针对垃圾邮件问题,介绍了在Linux平台下Postfix中实现SMTP阶段的垃圾邮件的过滤和通过SMTP的认证来防止垃圾邮件的方法。

With widely using E-mail, the security of E-mail system is important to the security of the whole system. Building insecure E-mail server will be probably attacked by DOS, intrusion, E-mail relay freely, spam and so on. Aiming at spam the method of implementation of filtering spams in SMTP and SMTP AUTH with Postfix under Linux is introduced.