【摘要】 RFC 1521中提出了多用途电子邮件(MIME),使原来只能传送文本信息的电子邮件还可以传送声音、图像、二进制数据等各种非标准ASCⅡ码信息,大大提高了电子邮件的功能.随着Internet的迅速发展,电子邮件的安全性已越来越引起人们的重视.文中着重讨论了MIME的特点和针对MIME的安全机制.更多还原

【Abstract】 RFC 1521 proposes Multipurpose Internet Mail Extensions (MIME) which provides facilities to transfer audio, image, binary file and other non - us - ascII data by email. Thus, MIME enhances the capability of email greatly. Moreover, the security of email attracts people’s attention more and more. The paper discusses MIME’s characteristics and its security mechanisms.更多还原