基于Postfix电子邮件系统的设计与实现

电子邮件在成为一种信息交流工具的同时,也正在成为一种商业广告手段.用户在收到有用信息的同时,也从因特网上收到各种各样广告邮件,需要花费大量时间和精力来处理这些垃圾邮件.对于垃圾邮件,绝大多数的处理方法是专注于在其特定的邮件系统中进行一些设置和规则的过滤,并未从邮件服务器的结构和邮件本身加以考虑.针对上述问题,设计了一个邮件服务器系统.;As a tool for information exchange,E-mail also serves as a business advertisement means.Users receive all kinds of advertisement mails on the Internet while they receive useful information.As a result,users spend much time on dealing with these so-called SPAM.As means of guarding against SPAM,most products focus on their special configuration and rule filtering instead of taking into consideration of the E-mails themselves and the structure of the server. Aiming at these questions,we design an E-mail system based on Postfix