USENET
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... This document defines the standard format for the interchange of
network News messages among USENET hosts. It describes the format
for messages themselves and gives partial standards for transmission
...
... for many years on the Internet, and this format meets most of the
needs of USENET. Since the Internet format is extensible,
extensions to meet the additional needs of USENET ...
... USENET. Since the Internet format is extensible,
extensions to meet the additional needs of USENET are easily made
within the Internet standard. Therefore, the rule is adopted that
...
... within the Internet standard. Therefore, the rule is adopted that
all USENET news messages must be formatted as valid Internet mail
messages, according to the Internet standard ...
... Internet mail
messages, according to the Internet standard RFC-822std11(-> 2822prop). The USENET
News standard is more restrictive than the Internet standard,
...
...
Here is an example USENET message to illustrate the fields.
...
...
A standard USENET message consists of several header lines, followed
by a blank line, followed by the body of the message. Each header ...
... traveled to reach the local host. There are several uses for this
information. One is to monitor USENET routing for performance
...
... reasons. Another is to establish a path to reach new hosts.
Perhaps the most important use is to cut down on redundant USENET
traffic by failing to forward a message to a host ...
... "Reply-To" lines are in Internet format, and since many USENET hosts
do not yet have mailers capable of understanding Internet ...
...
This line, if present, is in a legal USENET date format. It
specifies a suggested expiration date for the message. If not
present, the local default expiration date is used. This field is
...
... If a message contains a "Control" line, the message is a control
message. Control messages are used for communication among USENET
host machines, not to be read by users. Control messages ...
... considered public information, and it is a requirement of membership
in USENET that this information be provided on request, either
automatically in response to this control message, or manually, by
...
... control message, or manually, by
mailing the requested information to the author of the message.
This information is used to keep the map of USENET up to date, and
to determine where netnews is sent.
...
... network, an NSC Hyperchannel, and a BERKNET.
What is important is that two neighboring systems on USENET have
some method to get a new message, in the format listed here, from
...
...
It is not a requirement that USENET hosts have mail systems capable
of understanding the Internet mail ...
... Approved: mark@cbosgd.ATT.COM
Here is an important message about USENET Etiquette.
#! rnews 234
From: jerry@eagle.ATT.COM (Jerry Schwarz)
...