Crossposting's the act of posting the same message to multiple forums, mailing lists, or newsgroups. This's distinct from multiposting, which involves posting multiple identical messages, each to a single forum, newsgroup, or topic area. Crossposting can be helpful if the message's of interest to a larger audience. However, crossposting to groups that're irrelevant to the message posted could be considered spamming. Moreover, excessive crossposting's generally considered bad form because it mult… (More on Crossposting)