On 4/6/06, Les Mikesell <lesmikesell@xxxxxxxxx> wrote: > On Thu, 2006-04-06 at 12:24, Paul Howarth wrote: > > > > > > Couldnt similar be achieved by making temporary entries in /etc/hosts > > > without having to install anything? > > > > No, because sendmail can't lookup MX records using the hosts file and > > will always try DNS first, regardless of nsswitch.conf settings. > > >From what has been posted so far, the MX records appear to > be right and CNAMES aren't particularly involved in mail > delivery except to the extent that any MX records associated > with the target are inherited by the CNAME, but that doesn't > seem to be the case here. > > The only thing that might confuse sendmail about its name > is the reverse lookup for its interface address and that > still looks right from here: > > nslookup 83.104.235.34 > Non-authoritative answer: > 34.235.104.83.in-addr.arpa name = rbrennan.demon.co.uk. > > Does that give a different answer on the machine in question? > > -- > Les Mikesell > lesmikesell@xxxxxxxxx Below is the results of nslookups both ways. As you can see the nslookup of mi-server.net does not include the proper IP, only Mr Nasty's whoever it is that is taking all my email from me. What does http://mi-server.net deiver on the outside world? I can't see it since my own hosts file keeps me on my LAN. C:\nslookup 83.104.235.34 Server: cache-1.ns.demon.net Address: 158.152.1.58 Name: rbrennan.demon.co.uk Address: 83.104.235.34 C:\nslookup mi-server.net Server: cache-1.ns.demon.net Address: 158.152.1.58 Non-authoritative answer: Name: wc.funnel.revenuedirect.com.akadns.net Addresses: 69.25.47.165, 66.150.161.58 Aliases: mi-server.net, wc.traffic.puredns.com