对电子邮件加密技术的分析与研究

随着互联网的发展，电子邮件以其低廉的价格和快捷的速度，越来越受到人们的青睐。然而，与此同时，电子邮件能否安全抵达对方成为人们关心的问题，电子邮件泄密所造成的后果也困扰着人们，因此对电子邮件进行加密处理就尤为重要。文中主要针对电子邮件泄密的问题，详细阐述了对电子邮件加密的四种方法，并分析比较了这些方法的优缺点，对其中存在的问题和挑战进行了研究。

Analysis and Research of Electronic Mail Encryption Technology

With the development of the Internet, E-mail with its low price and fast speed, get the favor of people. However, at the same time, whether the E-mail can arrive safely becomes a matter of concern to people, consequences of E-mail leaks also bother people, so for E-mail encryption is particularly important. It mainly aims at the problem of E-mail leaks, elaborates the four methods of E-mail en- cryption in detail, and compares the advantages and disadvantages of these methods, analyzes and studies the problems and challenges.