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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nntp.coast.net!howland.reston.ans.net!newsfeed.internetmci.com!in2.uu.net!olivea!samba.rahul.net!rahul.net!a2i!bug.rahul.net!rahul.net!a2i!nmia!gallup.cia-g.com!lithium From: Stephen Fisher <lithium@cia-g.com> Newsgroups: comp.unix.sco.misc,comp.unix.osf.osf1,comp.unix.hpux,comp.unix.bsd.netbsd.misc,comp.unix.bsd.freebsd.misc,comp.unix.bsd.bsdi.misc,comp.unix.aix Subject: Re: Q: sendmail error: "loopsback to me" Date: Sun, 16 Jun 1996 16:26:25 -0600 Organization: New Mexico Internet Access Lines: 32 Message-ID: <Pine.LNX.3.91.960616162305.21926A-100000@gallup.cia-g.com> References: <NEWTNews.833735180.5107.masinter@bart.networkss.com> <1996Jun3.045351.26860@forthdv.pfm-mainz.de> <mattp.833896360@zap.io.org> <1996Jun6.071637.11341@forthdv.pfm-mainz.de> <umar.834432190@cybercom.net> NNTP-Posting-Host: gallup.cia-g.com Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII In-Reply-To: <umar.834432190@cybercom.net> Xref: euryale.cc.adfa.oz.au comp.unix.sco.misc:19257 comp.unix.osf.osf1:14207 comp.unix.bsd.netbsd.misc:3779 comp.unix.bsd.freebsd.misc:21369 comp.unix.bsd.bsdi.misc:4064 comp.unix.aix:78713 A better fix is to put a Cw line in your sendmail.cf as follows: Cwconundrum.com Then restart sendmail. This tells sendmail to accept email going to user@conundrum.com. The error message below is generated because you have a MX record for that domain name pointing to your mail server which doesn't know that it should accept email to that domain - so it sends it back out, and loops back in because of the MX record.. and so on... On 10 Jun 1996, Robert Landry wrote: > >: ----- Transcript of session follows ----- > >: 553 conundrum.com config error: mail loops back to myself > >: 554 <mattp@conundrum.com>... Local configuration error > > I had a problem like this about 4 months ago while setting up a > NetBSD/i386 box to do DNS and mail service for my LAN. I solved the > problem by adding two lines to Ruleset 0: > > R$+ < @ $+ . $D > $#local $: @ $1 x@y.wcrb.com --> local > R$+ < @ $D . > $#local $: @ $1 x@wcrb.com --> local - Steve - Systems Manager - Community Internet Access - http://www.cia-g.com