多重安全机制在电子邮件系统中的应用

摘要

The hazards in current enterprise e-mail system including spanm open relay and unauthorized accessing was analyzed. Some key techniques-limit forwarding, host filtering and identity authentication-were pertinently introduced. Finally, a multi-domain solution of an e-mail system supporting multi-security-mechanism was formulated on Linux.%分析当前企业电子邮件系统运作中面临的垃圾邮件、开放性中继和流动办公带来的非法使用等安全隐患。有针对性地介绍若干关键技术——限制转发、主机过滤和SMTP身份认证。最终在Linux平台下制定一套支持多重安全机制的跨域邮件系统的解决方案。