垃圾链接（Link Spam）：在其它任何可能留言的网站留下自已的链接； A、同一时间在一个或多个网站出现多次同一个网站的链接；
基于149个网页-相关网页
Link-spam 链接垃圾
link-deception Spam 链接型欺骗数据
Once the new friend clicks on a bad link, the spam begins propagating as his other friends do the same.
WSJ: Spam Finds a New Target
For instance, said Mr Hogan, filtering out e-mail messages that contain a web link can stop about 75% of spam.
BBC: PC hard drive, Eyewire
The weak link that has allowed robots to turn Webmail into a spam hose?
FORBES: Magazine Article
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