MIME is an extension of the E-mail protocol, to allow other types of data to be exchanged over the Internet, such as video, images, and applications.

MIME是电子邮件协议的一个扩展，它允许其他类型的数据在互联网上传送，就像视频、音频以及图片和应用程序。

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IMAP is a mailbox protocol for reading and managing E-mail.

imap是用于读取和管理电子邮件的邮箱协议。

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The core of the protocol, used for sending, receiving and handling E-mail, are fine.

用于收发和处理电子邮件的协议核心没有问题。

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"Even with the new normal of being informal, the proper way to start an e-mail is with 'Dear, '" said Cynthia Lett, director of the Lett Group, a protocol training company in Silver Spring, Maryland.

CNN: Is 'Dear' dead?