One approach towards reducing electronic junk, including spam in e-mail and on the Web, is to assign a small cost to the act of sending mail, or posting information on a Web site.

减少电子垃圾（包括电子邮件和 Web 上的垃圾信息）的一种方式是给发送邮件或在 Web 站点发布信息的行为加上一些成本。

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In current E-mail system, there are some problem which must be solved, such as the safety of E-mail, junk E-mail, classification of E-mail, name resource and so on.

该文对现有电子邮件系统中存在的安全性、垃圾邮件、邮件分类、信箱命名资源等问题进行了分析。

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Low: Move the most obvious junk email to the junk E-mail folder.

低：将最明显的垃圾邮件移动到“垃圾邮件”文件夹。

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At this point, I recalled a long-ago futile effort to unclog my junk e-mail account.

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But Clarke says users will simply ignore junk documents, much as they ignore junk e-mail.

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The law, which was overwhelmingly passed by Congress last year, makes it a crime to send junk e-mail using misleading subject lines or false return addresses.

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