Qmail is often referred to as merely a mail server software package.

Qmail经常被仅仅归类为一个 邮件服务器 软件包。

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The first is that you should apply this patch to your qmail 1.03 sources.

首先，您应该使用qmail 1.03源码的补丁。

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Once messages have been delivered, it commands qmail-clean to remove the message from the queue.

一旦邮件被发送，它就会运行qmail-clean来清除队列中的消息。

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However, his point about the program's slightly risky, monolithic design is well taken, and cautious sites may wish to adopt Postfix (which is open source licensed) or Qmail (which has an almost open source license) (see Resources).

CNN: Analysis: Linux security