It resolves the repudiation problem both in sender side and in receiver side.

效率高、实用性强是其特点，它高效解决了收发双方拒认问题。

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This paper proposes a fair non-repudiation protocol to solve repudiation problem both in sender side and in receiver side, which is based on trusted third party.

文章提出了一种公平的依赖可信第三方的反拒认协议，同时解决了收方和发方的拒认问题。

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As described in Sender ID, the Sender ID evaluation process generates a Sender ID status when the agent detects messages that are spoofed or have a transient error.

按照发件人ID中的说明，发件人ID评估过程会在代理检测到欺骗性邮件或暂时性错误邮件时生成发件人ID状态。

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Messages that appear in the priority box will initially be determined by an algorithm based on such as factors as the identity of the sender, key phrases in the message and whether the mail was sent to an individual or a large group.

CNN: Gmail looks to clear clutter with Priority Inbox

In the future, a sender could assign rights that limit or prohibit printing and forwarding.

FORBES: Showdown In The Digital Rights Corral

The results were shown in a list format, and e-mails could be sorted by sender, subject and date, just as in Outlook.

FORBES: Better Desktop Search Arrives