A cross-post is the act of sending the same message to two or more newsgroups at the same time by adding more newsgroups to the Newsgroups field of the news reader. A legitimate cross-post differs from a spam in that it is generally on-topic and is limited to just a few newsgroups. While cross-posting is sometimes unnecessary, it is less "resource-intensive" than sending the same message separately to separate newsgroups.

1. v. The act of simultaneously sending identical or almost identical e mail messages to multiple discussion forums.

The practice of sending an single post to more than one newsgroup.

To post a message to several newsgroups simultaneously - an action usually frowned on in Internet culture | français

a post made in more than one forum that says essentially the same thing

Posting a message to several groups or listservs. Originated in Usenet, where the same message is easily sent to a number of newsgroups. Because of redundancy, this is discouraged and, at least, should be identified at the beginning of the article or message as a cross-posting.

To send the same email message to at least two different mailing lists or discussion groups.

To post a message to several newsgroups simultaneously. An action usually frowned on in Internet culture. Cyberspace—A term coined by William Gibson in his fantasy novel "Neuromancer" to describe the computer-world and the society that gathers around it.

To post to multiple Discussion Groups (newsgroups) A reply to a message posted after you created your list of new messages and before your own reply was posted

To copy an article to multiple newsgroups. Cross-posting should be done sparingly, and only when the post is relevant to the affected newsgroups. Excessive cross-posting is a lot like spam, and is nicknamed "velveeta."

To send identical or nearly identical email messages to several discussion groups or forums at the same time.

vi Cross-posting allows you to post a message simultaneously to several forums , as opposed to posting it repeatedly (once to each forum), causing people to see it multiple times (considered to be bad form). Cross-posting should include a "Follow-up To" line that directs responses to a single follow-up forum. Doing so prevents follow-up messages from being directed to the wrong forums when only one part of the original message is being responded to.

To send a single message to a more than one newsgroup at once. Except in rare circumstances, cross-posting is considered in poor taste on the Internet - see a Netiquette page describing Internet etiquette on the web for details. Richard was infuriated when he realized that the spammer had not only polluted his favorite newsgroup with a message on how to "Make $1000 a day licking stamps at home" - but that the sender had cross-posted the same message to 28 other newsgroups at the same time! Louis couldn't understand why the "newbie" cross-posted his simple article "How do I find the FAQ - Please Respond Soon!" to over 12 newsgroups - making 2 serious mistakes in netiquette in one posting.

Cross-posting is the act of submitting an article to more than one newsgroup or mailing list. This is done to get broader coverage of an issue.