If the post can be detected as spam on one site, it can prepare the other sites to identify it as such, similar to the hot lists of spam bot registration E-mail and IP addresses described above.

如果在某个站点上可以检测出垃圾帖子，它就能让其他站点也能辨别出该帖子，这类似于上面描述的垃圾信息bot登记电子邮件和IP地址的热门列表。

youdao

The idea of negative CAPTCHAs is not to ask a user to proof that he is human, but reveal that a spam robot is a bot.

这个消极的CAPTCHA的主意，不是去让用户证明他是一个人，而是让一个机器人证明他是个机器人。

youdao

While email clients can filter bot and spam messages, it's more difficult to discern between personal and general messages from real people.

email客户端可以过滤机器人和垃圾邮件，而区分来自真人的私人消息和一般消息则没那么容易。

youdao

The behavior of such a spam bot is easy to identify as it spews millions of spam messages.

FORBES: How reputation services enhance IPS

Unfortunately, our campaign page was hit with obvious spam bot attacks.

FORBES: Move up http://i.forbesimg.com t Move down

"Bot-herders and other 'spam kings' are difficult to track down, especially in so many different jurisdictions and areas around world, with no enforced policies against them, " Manky observes.

CNN: Fighting the agents of organized cybercrime