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Path: utzoo!watmath!clyde!bonnie!akgua!gatech!seismo!brl-tgr!tgr!GRZ027%DBNGMD21.BITNET@wiscvm.ARPA
From: GRZ027%DBNGMD21.BITNET@wiscvm.AR (Peter Sylvester +49 228 303245)
Newsgroups: net.mail.headers
Subject: (Copy) Re: A suggestion for preventing machine mail loops
Message-ID: <603@brl-tgr.ARPA>
Date: Wed, 11-Dec-85 17:14:10 EST
Article-I.D.: brl-tgr.603
Posted: Wed Dec 11 17:14:10 1985
Date-Received: Sat, 14-Dec-85 00:38:58 EST
Sender: news@brl-tgr.ARPA
Lines: 22


Where is the return-path: header field in the following message?
 ---------------------------- Text of forwarded message -----------------------
Received: (from SMTPUSER@WISCVM for GRZ027@DBNGMD21 via NJE)
         (RSCS6516-6516;      35 LINES); Wed, 11 Dec 85 18:12:35 CET
Received: from MIT-MC.ARPA by wiscvm.wisc.edu on 12/11/85 at 02:32:58 CST
Received: from SRI-IU.ARPA by MIT-MC.ARPA 11 Dec 85 03:07:24 EST
Date: Wed 11 Dec 85 00:05:58-PST
From: Peter Karp <PKARP@SRI-IU.ARPA>
Subject: Re: A suggestion for preventing machine mail loops
To: JCURRAN%UMASS.BITNET@WISCVM.WISC.EDU
Cc: HEADER-PEOPLE@MIT-MC.ARPA
Message-ID: <VAX-MM(164)+TOPSLIB(114)+PONY(0) 11-Dec-85 00:05:58.SRI-IU.ARPA>
In-Reply-To: Message from " JCURRAN%UMASS.BITNET@WISCVM.ARPA" of
         Tue, 10 Dec 85  09:59:36 EST

....
In fact mailers are supposed to return undeliverable messages to the
address specified in the SMTP "MAIL FROM" command.  This address is
normally written to a "Return-Path:" field in the header upon actual
delivery in a person's mailbox.
....