It encodes the data in such a way that the mail transport agent is unlikely to modify the resulting octets.

这种对数据的编码方式使邮件传输代理不可能修改结果八位元。

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The mail exchanger records are used by mail transport agents like sendmail and postfix when looking up where to send E-mail.

邮件交换器记录由诸如sendmail和postfix等邮件传输代理在查找电子邮件发送目的地时使用。

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For example, if you're packaging a mail user agent or mail transport agent, there are some specific considerations that apply.

例如，如果您正在对一个邮件用户代理程序或邮件传输代理程序进行打包，那么有些特定的考虑事项适用于这种情形。

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Although Stephen Byers, the former transport minister, is more obviously in the shareholders' sights, e-mail exchanges within government show that the Treasury, represented by one of Mr Brown's closest advisers, Shriti Vadera, was in the driving seat.

ECONOMIST: Bagehot

The app Image It lets you quickly look up travel-relevant pictographs, such as a drawing of a stamp to indicate you want to buy one to mail a postcard, from an array of travel-related topics, from food to transport and medical emergency to shopping.

BBC: Google��s lesser-known travel apps