A mail transfer agent such as Sendmail 8.7 or later.

一个邮件传输代理，比如Sendmail 8.7或者更高的版本。

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The mail transfer agent receives the messages from another mail transfer agent, a mail user agent, or a mail submission agent.

邮件传输代理从另一个邮件传输代理、邮件用户代理或邮件提交代理处接收消息。

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The mail transfer agent is also known as the mail server and is simply software that sends E-mail from one computer to another.

邮件传输代理也叫邮件服务器，是用来把邮件从一台计算机发送到另一台计算机的软件。

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Ozancin wagged his finger at the sendmail mail transfer agent (MTA) as the cause of many past security exploits, including but not limited to buffer overflows.

CNN: Analysis: Linux security