一个支持多域的安全邮件系统设计与实现  

Design and Implementation of a Safe E-mail System Supporting Multi-Domains

作　　者：张迎春[1] 

机构地区：[1]上海电子信息职业技术学院计算机应用系

出　　处：《微型电脑应用》2011年第7期19-20,31,70,共4页Microcomputer Applications

摘　　要：依据某科研机构多子网、跨域且人员流动性强的特点设计邮件传输服务。为免受垃圾邮件困扰和骇客攻击,邮件服务器需要针对客户机做访问控制,限制自身的中继功能,并且对用户的合法性进行SMTP认证。最终在Linux平台下利用Sendmail+Dovecot+SASL技术实现了一个安全邮件系统,并通过了应用测试。A mail transport service is designed on the basis of characteristics such as cross-network, cross-domain and strong mobility. To Prevent theharass of spam and the attack of hackers, it's necesssary that the mail server make an access control for all clients, limit its own relay function, and verifythe validity of SMTP users. Finally, a safe e-mail system is implemented with Sendmail+Dovecot+SASL technology on Linux, and all passed the test.

关 键 词：多域 垃圾邮件 中继 主机过滤 认证 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]