Spam

Spam are disruptive messages, especially commercial messages posted on a computer network or sent as e-mail. This is not to be confused with the spiced beef of the same name, which is not related to IPT.

Word Spam
The same word over and over again. Usually used to fill up a large amount of space on a forum so people are forced to scroll down for a very long time.

Chain Mail
This usually comprises of a frightening story followed by a threat to spread the mail to other people or something bad will happen.