From owner-freebsd-questions Tue Jul 22 13:15:13 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id NAA24500 for questions-outgoing; Tue, 22 Jul 1997 13:15:13 -0700 (PDT) Received: from milehigh.denver.net (milehigh.denver.net [204.144.180.2]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id NAA24451 for ; Tue, 22 Jul 1997 13:14:56 -0700 (PDT) Received: from localhost (jdc@localhost) by milehigh.denver.net (8.8.5/8.8.5) with SMTP id OAA18120; Tue, 22 Jul 1997 14:18:52 -0600 (MDT) Date: Tue, 22 Jul 1997 14:18:51 -0600 (MDT) From: John-David Childs To: Jay Sachs cc: dkelly@HiWAAY.net, questions@FreeBSD.ORG Subject: Re: Sendmail and mail hub In-Reply-To: <87racrszbh.fsf@luddite.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On 22 Jul 1997, Jay Sachs wrote: > John-David Childs writes: > > > # who I masquerade as (null for no masquerading) (see also $=M) > > > DMmail.hiwaay.net > > > > > > > BAD! Your ISP will shoot you. You should not masquerade as another host > > without permission. > > Why is this so evil? If I run a stand-alone machine connected only via > dynamic PPP, I want things like Sender: to look like a valid hostname, > which it won't unless I do some masquerading. I know this isn't The > Right Thing To Do but this is a (IMO) reasonable response to the > plethora of broken software (both autoresponders and clients) out > there. If my ISP didn't charge so much for a static IP address or to > host a domain name, I'd go with one of those (far superior) solutions. > I had a customer who set his box up to masquerade as our primary (mail) server. He would often send mail out while he was logged in as root. Guess who got all the hate mail from his kali, quake, and porn lists ;) I sent him several warnings asking that he change his masquerade to something else and/or not send mail as root@, but after three weeks I cancelled his account because of the bad reputation on the net we were starting to get from his "visceral" mailings. True, all one had to do was look at the full headers to see that it was relayed through our machine, but most clueless lusers couldn't be expected to work that hard at finding the right person to flame. That's why I suggested the other approaches and suggested "your ISP will shoot you". I would ;) -- John-David Childs (JC612) @denver.net/Internet-Coach System Administrator Enterprise Internet Solutions & Network Engineer 901 E 17th Ave, Denver 80218 Westheimer's Discovery: A couple of months in the laboratory can frequently save a couple of hours in the library.