Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site wnuxb.UUCP
Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!ihnp4!mgnetp!hw3b!wnuxb!netnews
From: netnews@wnuxb.UUCP (Heiby)
Newsgroups: net.test
Subject: cmsg rmgroup net.forsale
Message-ID: <596@wnuxb.UUCP>
Date: Tue, 11-Jun-85 13:37:31 EDT
Article-I.D.: wnuxb.596
Posted: Tue Jun 11 13:37:31 1985
Date-Received: Wed, 12-Jun-85 07:39:05 EDT
Control: rmgroup net.forsale
Distribution: net
Organization: AT&T - Warrenville Data Center, IL
Lines: 1

It was long ago decided not to have net.forsale.  Use na.forsale, instead.