News Infrastructure
RFC850 (June 1983, Standard for Interchange of USENET Messages),
superseded by RFC1036 (December 1987, same title) specifies that
USENET (news) messages must be formatted as valid Internet mail
messages (RFC822) and must also include—in addition to
RFC822’s required Date:
and
From:
—the extension fields
Newsgroups:
, Subject:
,
Message-ID:
, and Path:
.
RFC977 (February 1986, Network News Transfer Protocol) spells out the commands sent by NNTP clients to inquire about and fetch articles (news messages), the replication protocol between NNTP servers, and the response codes sent by NNTP servers.
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