在大中型企业中构建安全可靠的Internet电子邮件系统

Construction of Safe and Reliable Internet E-Mail System in Large and Middle-sized Enterprises

在信息化高速发展的现代社会，为教众多的大中型企业急需建设一个统一，先进，安全和可扩展的基础信息平台，构建安全可靠的Internet电子邮件系统可以更好地实现对内，对外的信息交流服务，同时提高了开展对外业务的效率。为提高电子邮件系统的安全可靠性，本文从系统设计与实现，邮件系统设计，安全性设计三个方面的设计入手来构建Internet电子邮件系统。

In the highly information -based modern society, numerous large and medium -sized enterprises are in urgent need of unified, advanced, safe and expansible basis information platforms. A safe and reliable Email system ensures better internal and external information exchange and improves the efficiency of external services. This paper discusses how to improve the safety and reliability of Email systems from three aspects ： system design and realiza- tion, mail system design and security design.