基于POSTFIX的安全电子邮件系统设计与实现

摘要

The paper reviews on the fundamental email security technology and email management technology including the separation of administrators,intensive signing and control of flow,based on which,the paper puts forward an email security system based on POSTFIX.%分析了基本的邮件安全技术,以及包括三员分离、密级标示和流向控制在内的安全电子邮件管理技术,最后基于Postfix邮件系统开发一套安全电子邮件系统。