一个典型的新闻文章结构:头部信息、一个空行、正文部分。头部信息的每一行又是由关键字、冒号、空格和内容构成。
头信息中必须包含的有:"From", "Date", "Newsgroups", "Subject", "Message-ID", 和 "Path"。可选的关键字有:"Followup-To", "Expires", "Reply-To", "Sender", "References", "Control", "Distribution", "Keywords", "Summary", "Approved", "Lines", "Xref", 和 "Organization"。
From: jerry@eagle.ATT.COM (Jerry Schwarz) Path: cbosgd!mhuxj!mhuxt!eagle!jerry Newsgroups: news.announce Distribution: nj,ny Subject: Usenet Etiquette -- Please Read Message-ID: <642@eagle.ATT.COM> Date: Fri, 19 Nov 82 16:14:55 GMT Followup-To: news.misc Expires: Sat, 1 Jan 83 00:00:00 -0500 Organization: AT&T Bell Laboratories, Murray Hill The body of the message comes here, after a blank line.
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