Variable: message-required-news-headers

message-required-news-headers is a customizable variable defined in message.el.gz.

Value

(From Newsgroups Subject Date Message-ID (optional . Organization)
      (optional . User-Agent))

Documentation

Headers to be generated or prompted for when posting an article.

RFC977 and RFC1036 require From, Date, Newsgroups, Subject, Message-ID. Organization, Lines, In-Reply-To, Expires, and User-Agent are optional. If you don't want message to insert some header, remove it from this list.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defcustom message-required-news-headers
  '(From Newsgroups Subject Date Message-ID
	 (optional . Organization)
	 (optional . User-Agent))
  "Headers to be generated or prompted for when posting an article.
RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
Message-ID.  Organization, Lines, In-Reply-To, Expires, and
User-Agent are optional.  If you don't want message to insert some
header, remove it from this list."
  :group 'message-news
  :group 'message-headers
  :link '(custom-manual "(message)Message Headers")
  :type '(repeat sexp))