Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site hou3c.UUCP Path: utzoo!watmath!clyde!burl!hou3c!dpk@brl-vgr.ARPA From: dpk@brl-vgr.ARPA (Doug Kingston) Newsgroups: net.mail.headers Subject: Re: Mailing lists that "take responsability" Message-ID: <385@hou3c.UUCP> Date: Tue, 6-Mar-84 17:53:43 EST Article-I.D.: hou3c.385 Posted: Tue Mar 6 17:53:43 1984 Date-Received: Wed, 7-Mar-84 06:44:47 EST Sender: ka@hou3c.UUCP (Kenneth Almquist) Lines: 25 To: Benson I. MarguliesCc: header-people@mit-mc.arpa I've said this before, but some seemed to have missed it... In the MMDF II software, I have implemented something called the "list channel" which is in fact a "remailing" mechanism which will substitute an alternate return address for original (sender's) address. All the lists handled through BRL hosts are sent through the list channel. As a result, senders to Unix-Wizards, Info-Micro, Info-Cpm, etc. get much less return mail when they submit a message. The list channel inserts Unix-Wizards-Request, and generally *-request as the return address in the MAIL FROM command if that is a valid address on the BRL host. As a result, the failed mail messages go to someone who can actually do something about it, the list manager. Unfortunately, it is not possible to totally eliminate this return trash since some mailers will blindly except the mail and reject it later after throwing away the MAIL FROM address. They still take the return address from the letter. There is nothing we can do to stop this unless we start munging the message, which we are unwilling to do in this case. Stop promiscuous hosts! -Doug- PS. Then there the hosts that return mail unmodified under separate cover... Arrrgggg....