Read the paragraphs below to learn how the mail is delivered.

信 件 的 流 程读下列段落了解信的流程。

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To help describe how you can improve the process, Figure 1 shows a typical spam filtering solution where the e-mail is filtered as it comes in, and the e-mail is delivered into individual mailboxes.

为了帮助描述如何改进这个过程， 图 1 显示了一个典型的垃圾邮件过滤解决方案，在该方案中，在电子邮件进入时对其进行过滤，然后将电子邮件发送到不同的邮箱中。

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