“伊妹儿”保卫战:随着网络的发展,电子邮件已经成为信息传递的重要载体之一。然而,随之而来的邮件泄密等问题,不仅使个人用户感到烦恼,更让企业用户蒙受重大的经济损失……如何确保邮件系统的安全性已经成为不容忽视的问题。 “Yi Meier” defend the war: With the development of the network, e-mail has become one of the important carriers of information transmission. However, the ensuing problems such as mail leakage have not only annoyed individual users, but also caused significant economic losses to enterprise users. How to ensure the security of mail systems has become an issue that can not be ignored.