Commands for posting a news article:
Prepare for posting an article (gnus-summary-post-news). By
default, post to the current group. If given a prefix, disable that.
If the prefix is 1, prompt for another group instead.
Post a followup to the current article (gnus-summary-followup).
Post a followup to the current article and include the original message
(gnus-summary-followup-with-original). This command uses the
process/prefix convention.
Post a followup to the current article via news, even if you got the
message through mail (gnus-summary-followup-to-mail).
Post a followup to the current article via news, even if you got the
message through mail and include the original message
(gnus-summary-followup-to-mail-with-original). This command uses
the process/prefix convention.
Forward the current article to a newsgroup
(gnus-summary-post-forward).
If no prefix is given, the message is forwarded according to the value
of (message-forward-as-mime) and
(message-forward-show-mml); if the prefix is 1, decode the
message and forward directly inline; if the prefix is 2, forward message
as an rfc822 MIME section; if the prefix is 3, decode message and
forward as an rfc822 MIME section; if the prefix is 4, forward message
directly inline; otherwise, the message is forwarded as no prefix given
but use the flipped value of (message-forward-as-mime). By
default, the message is decoded and forwarded as an rfc822 MIME section.
Digest the current series and forward the result to a newsgroup
(gnus-uu-digest-post-forward). This command uses the
process/prefix convention.
Uuencode a file, split it into parts, and post it as a series
(gnus-uu-post-news). (see Uuencoding and Posting).
Also See Header Commands in The Message Manual, for more information.