Study of Secure E-mail System Realizing Two way Authentication
实现双向认证的安全电子邮件系统的研究

This paper analyzes the disadvantages, especially the disadvantages in communication mechanism about some secure E-mail protocols, and puts forward an on line authentication secure E-mail system framework based on certificate authority, and expatiates the realization of the two-way not denying or disavowing authentication mechanism while sending or receiving E-mail.