Its main current use is to help hashcash users avoid losing email due to content-based and blacklist-based anti-spam systems.

当前它的主要作用是帮助hashcash用户避免因为使用了基于内容和基于黑名单的(blacklist - based)反垃圾邮件系统而丢失邮件。

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While purchasing and using an anti-spam program may sound tedious, it's far worse to have to pick out a few desirable email messages from a pile of junk email.

听起来，购买和使用一个反垃圾邮件程序可能是鼓噪无味的，但更糟糕的是，你不得不从大量的垃圾邮件中挑选一些有用的电子邮件信息。

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Use anti-spam software, like Norton Internet Security, on your own PC to filter spam as it comes into your email system.

使用反垃圾邮件软件，如诺顿网络安全自己电脑邮件过滤系统，因为它出现在您的电子邮件。

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On the network side IPS is analogous to anti-virus for email and DDoS defense is analogous to anti-spam.

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Some free email services like Gmail already come equipped with powerful anti-spam and virus filters.

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