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Also known as: cross-post, crossposting
Posting a single article to several groups at once by naming them all in the Newsgroups header. The server stores one copy and references it from each group, so a crosspost costs far less disk and bandwidth than separate posts, and readers who follow more than one of the groups see it only once. Naming more than a handful of groups is treated as abuse and is a common spam signature.
Browse all terms in Core Usenet Concepts, or see the full Usenet glossary.