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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.mel.connect.com.au!munnari.OZ.AU!news.ecn.uoknor.edu!paladin.american.edu!zombie.ncsc.mil!news.mathworks.com!newsfeed.internetmci.com!news.msfc.nasa.gov!bcm.tmc.edu!newshost.convex.com!usenet From: "Alan E. Ross" <alan@popi.net> Newsgroups: comp.unix.bsd.bsdi.misc Subject: Re: Multiple Domains Mail Date: Wed, 17 Jan 1996 10:11:48 -0800 Organization: CONVEX Computer Corporation, Richardson, TX USA Lines: 44 Message-ID: <30FD3BE4.3BC8@popi.net> References: <leem.16.0009CB8F@mastnet.net> NNTP-Posting-Host: mobil.convex.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 2.0b5 (Win16; I) To: Lee McMullen <leem@mastnet.net> Lee, I just fought the same battle. This would be a superb FAQ entry; anybody from BSDI listening??? :-> Basically, what I did to fix it was remake the sendmail.cf file using the m4 command and told it to masquerade as the other domain. The steps are roughly: 1. ifconfig your LAN interface to be an alias to the other domain(s) ifconfig eth0 new.domain alias 2. Add MX records to the DNS db file. 3. Add a CW record to the /etc/sendmail.cw file for the new domain 4. Go to /usr/share/sendmail/cf and edit the bsdi.mc file. o Turn on the option for masquerading, and list the new domain. o I also turned on allmasquerade, for what it's worth. 5. use the command that is shown towards the beginning of the mc file to remake sendmail.cf ( m4 < bsdi.mc > sendmail.cf ) 6. kill -HUP named; kill and restart sendmail. Somebody mentioned as a follow up post to my request for help that I forgot ARP. That is true, but in my case I don't need it, as this is the only box on the end of an ISDN line. I just needed it to answer Email and spoof WWW stuff. Hope this helps, Alan Ross Lee McMullen wrote: > I am setting up a BSD 2.01 server and have several domains residing on it. > > I have established the DB files for each of the domains and have them listed > as a CNAME in the name servers db file. > > When I try to send mail to any of the domains I receive a local configuration > error from sendmail stating that the server is looping back. > > I have been through the O'Reilly book several times and can find no solution > for this.