In the direction for the future, the excellent E-mail system should be of high-capacity, high-efficiency, high-security and should support WebMail, distributed operating, cross-platform.

• 从电子邮件的发展趋势来看，一个优良的电子邮件系统必须具备大容量、高效率、分布式、跨平台、支持WebMail和良好的安全性能。