This days business depends on E-mail , but E-mail systems can t depend on any protection. Wrong eyes got look at sensitive information , virus and sp am flooding in Internet are capital problems of unguarded E-mail. How can we do ? This paper bring forward corresponding solution—encryption and digital s ignature, virus scanning and E-mail content filtering—discussing related method and technology, pointing out their shortcoming and growing trend. Finally, anal yze why secure E-mail systems aren’t popularization , what is information units should do.
1 http://www.g5forum.org
2 Lee Bruno“How Safe Are Your Business Secrets?”Data Communication/February 1999
3 Kelly Jackson Higgings“Secure Messaging Moves Forward”Data Communication/March1999
4 卢昱 李勇奇.“基于数字签名及智能卡的Intranet认证模型”.计算机研究与发展,1999,3
5 http://www.teda.com.cn/study/anqiuan.html