对于正确识别垃圾邮件和合法消息这方面，我想了解这些不同的方法做得如何。

I want to know how well different approaches work in correctly identifying spam as spam and desirable messages as legitimate.

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Weinman 介绍了国内的垃圾邮件现状，演示如何识别各种类别，解释它们目前的危险性。

Weinman describes the state of spam today, shows how to recognize the various types, and explains the dangers they present.

youdao