Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site brl-tgr.ARPA Path: utzoo!linus!philabs!cmcl2!seismo!brl-tgr!wmartin From: wmartin@brl-tgr.ARPA (Will Martin ) Newsgroups: net.mail Subject: Path problem -- From: vs. Return-Path: data Message-ID: <4512@brl-tgr.ARPA> Date: Mon, 10-Sep-84 16:06:00 EDT Article-I.D.: brl-tgr.4512 Posted: Mon Sep 10 16:06:00 1984 Date-Received: Sun, 16-Sep-84 12:00:47 EDT Organization: Ballistics Research Lab Lines: 145 I recently ran into a strange situation with a batch of messages I received in response to a netnews posting. I had been trying to reply to each message, thanking the sender for his/her time and info. I then began receiving MAILER-DAEMON messages from the "hplabs" machine, telling me that it did not recognize host "uw-beaver". I am NOT complaining about hplabs' mailer here -- it was perfectly correct. For some reason, the "From:" field in the messages I was replying to had a slight (!) difference compared to the "Return-Path:" field -- host "tektronix", which should have been between "hplabs" and "uw-beaver", was in the Return-Path: field, but was NOT in the "From:" field. So, my host, when generating the reply, created an address based on the "From:" field, sent it out, and, when it reached hplabs, instead of "tektronix", that host found the unrecognized "uw-beaver". For what it is worth, I am on a 4.2 BSD machine on the MILNET, running mmdf. Mail from the ARPA/MILNET to USENET, and vice-versa, normally goes through host seismo in my case. Here are two examples of the situation, with the message text edited out. The first message is the one I received, the second my rejected reply: EXAMPLE # 1: Received: From Brl-Tgr.ARPA by ALMSA-1 via smtp; 8 Sep 84 16:08 CDT Received: from css-ring-gw by BRL-TGR.ARPA id a005341; 8 Sep 84 16:59 EDT Return-Path: Received: from hao.UUCP by seismo.ARPA with UUCP; Sat, 8 Sep 84 16:58:50 EDT Received: by hao (4.12/4.7) id AA24664; Sat, 8 Sep 84 14:13:41 mdt Received: by HP-VENUS id AA05553; Sat, 1 Sep 84 23:38:11 pdt From: hao!hplabs!uw-beaver!cornell!vax135!houxm!mhuxh!smitty@SEISMO.ARPA To: wmartin <@SEISMO.ARPA:wmartin@BRL-TGR.ARPA> Received: from uw-beaver.uucp by tektronix ; 1 Sep 84 18:58:09 PDT Received: by uw-beaver.arpa (3.346/1.9), id AA02693; 1 Sep 84 07:16:35 PDT (Sat) Received: by CORNELL-GVAX.ARPA (4.30/4.30), id AA12851; Fri, 31 Aug 84 11:34:15 edt Date: Fri, 31 Aug 84 10:25:06 edt Message-Id: <8408311425.AA13667@vax135.UUCP> Subject: Re: Electrical Service Query In-Reply-To: your article <4318@brl-tgr.ARPA> ****** Text removed here ****** Answer rejected and returned by HPLABS mailer: Received: From css-ring-gw.ARPA by ALMSA-1 via smtp; 10 Sep 84 14:03 CDT Return-Path: Received: from hao.UUCP by seismo.ARPA with UUCP; Mon, 10 Sep 84 15:03:26 EDT Received: by hao (4.12/4.7) id AA10659; Mon, 10 Sep 84 11:55:22 mdt Date: Mon, 10 Sep 84 9:03:40 CDT From: Mail Delivery Subsystem Received: by HP-VENUS id AA03018; Mon, 10 Sep 84 07:28:41 pdt Subject: Returned mail: unknown mailer error 101 Message-Id: <8409101428.AA03018@HP-VENUS> To: hao!seismo!wmartin@ALMSA-1.ARPA ----- Transcript of session follows ----- bad system name: uw-beav 554 uw-beaver!cornell!vax135!houxm!mhuxh!smitty... unknown mailer error 101 ----- Unsent message follows ----- Received: by HP-VENUS id AA03010; Mon, 10 Sep 84 07:28:41 pdt Received: by hao (4.12/4.7) id AA08404; Mon, 10 Sep 84 08:21:01 mdt Received: from ALMSA-1 (almsa-1.ARPA) by seismo.ARPA with SMTP; Mon, 10 Sep 84 10:09:09 EDT Message-Id: <8409101409.AA01355@seismo.ARPA> Date: Mon, 10 Sep 84 9:03:40 CDT From: Will Martin -- DRXAL-RI To: hao!hplabs!uw-beaver!cornell!vax135!houxm!mhuxh!smitty@seismo Subject: Re: Electrical Service Query ****** Text removed here ****** EXAMPLE # 2: Received: From Brl-Tgr.ARPA by ALMSA-1 via smtp; 8 Sep 84 19:38 CDT Received: from css-ring-gw by BRL-TGR.ARPA id a007336; 8 Sep 84 20:34 EDT Return-Path: Received: from hao.UUCP by seismo.ARPA with UUCP; Sat, 8 Sep 84 20:33:47 EDT Received: by hao (4.12/4.7) id AA27048; Sat, 8 Sep 84 17:39:54 mdt Received: by HP-VENUS id AA05683; Sat, 1 Sep 84 23:40:03 pdt From: hao!hplabs!uw-beaver!cornell!vax135!houxm!hou2e!mike@SEISMO.ARPA To: wmartin <@SEISMO.ARPA:wmartin@BRL-TGR.ARPA> Received: from uw-beaver.uucp by tektronix ; 1 Sep 84 19:00:52 PDT Received: by uw-beaver.arpa (3.346/1.9), id AA02719; 1 Sep 84 07:17:33 PDT (Sat) Received: by CORNELL-GVAX.ARPA (4.30/4.30), id AA12922; Fri, 31 Aug 84 11:36:26 edt Date: Fri, 31 Aug 84 11:02:23 edt Message-Id: <8408311502.AA14035@vax135.UUCP> Subject: Re: Electrical Service Query References: <4318@brl-tgr.ARPA> ****** Text removed here ****** Answer returned and rejected by HPLABS mailer: Received: From css-ring-gw.ARPA by ALMSA-1 via smtp; 10 Sep 84 14:03 CDT Return-Path: Received: from hao.UUCP by seismo.ARPA with UUCP; Mon, 10 Sep 84 15:03:32 EDT Received: by hao (4.12/4.7) id AA10670; Mon, 10 Sep 84 11:55:44 mdt Date: Mon, 10 Sep 84 9:05:04 CDT From: Mail Delivery Subsystem Received: by HP-VENUS id AA03034; Mon, 10 Sep 84 07:28:54 pdt Subject: Returned mail: unknown mailer error 101 Message-Id: <8409101428.AA03034@HP-VENUS> To: hao!seismo!wmartin@ALMSA-1.ARPA ----- Transcript of session follows ----- bad system name: uw-beav 554 uw-beaver!cornell!vax135!houxm!hou2e!mike... unknown mailer error 101 ----- Unsent message follows ----- Received: by HP-VENUS id AA03027; Mon, 10 Sep 84 07:28:54 pdt Received: by hao (4.12/4.7) id AA08417; Mon, 10 Sep 84 08:21:19 mdt Received: from ALMSA-1 (almsa-1.ARPA) by seismo.ARPA with SMTP; Mon, 10 Sep 84 10:09:21 EDT Message-Id: <8409101409.AA01361@seismo.ARPA> Date: Mon, 10 Sep 84 9:05:04 CDT From: Will Martin -- DRXAL-RI To: hao!hplabs!uw-beaver!cornell!vax135!houxm!hou2e!mike@seismo Subject: Re: Electrical Service Query ****** Text removed here ****** END OF EXAMPLES Is this evidence of some bug somewhere which is not updating the path in "From:" correctly, or does the problem lie elsewhere? Will Martin seismo!brl-bmd!wmartin or wmartin@almsa-1.ARPA