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

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。

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Simple mail Transfer protocol. A standard communication protocol for sending email messages between computers.

简单邮件传输协议。在计算机间发送电子邮件的标准通讯协议。

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In this case, I have created a Custom Activity that can be used to send email messages from a workflow through Simple mail Transfer Protocol.

在这种情况下，我创建了一个自定义活动，可以用来发送一个简单的工作流程，通过电子邮件，邮件传输协议。

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