该协议可以防止邮件接收方的抵赖并且能够确保电子邮件的可靠传输。

This protocol can resist E-Mail receiver deny and insure E-Mail transferred reliably.

youdao

该协议可以防止邮件接收方的抵赖并且能够确保电子邮件的可靠传输。

This protocol can resist E-Mail receiver deny and insure E-Mail transferred reliably.

youdao