A meSSage Sent to a newSgroup or mailing liSt (may alSo be called "a poSt") or the act of Sending it. DiStinguiShed from a "letter" or ordinary electronic mail meSSage by the fact that it iS broadcaSt rather than point-to-point. It iS not clear whether meSSageSSent to a Small mailing liSt are poStingS or e-mail perhapS the beSt dividing line iS that if you don' t know the nameS of all the potential recipientS, it iS a poSting. [Jargon File]