客户机利用POP（邮局协议）从因特网服务器上检索邮件。

POP (Post Office Protocol) is used by the client to retrieve mail from an Internet server.

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STMP（简单邮件传输协议）是用于将将邮件发送到服务器的因特网协议。

STMP (Simple Mail Transfer Protocol) is the Internet protocol used to send mail to a server.

youdao

STMP（简单邮件传输协议）是用于将将邮件发送到服务器的因特网协议。

STMP (Simple Mail Transfer Protocol) is the Internet protocol used to send mail to a server.

youdao