[SunRescue] MX records in BIND

[Dan Lane]

... and while we are off topic... wildcard DNS is a Bad Thing(tm)

http://www.this.really.shouldnt.resolve.logicbomb.net/

and as for the mail problems it causes... ARGH!

-- 
Dan Lane (d at x11.net)

Web: http://www.logicbomb.net
PGP Key: http://www.logicbomb.net/pgpkey



Clay Mellender sent the following on Tue, 30 Jan 2001...

> There is one important thing that it is easy to overlook. You may NOT
> use a CNAME for a MX record. I had some really wierd behavior with a
> mail server until I found that out.  DNS and BIND (O'Rielly) Is an
> excellent resource.
> Clay Mellender
> 
> 
> Dan Lane wrote:
> > 
> > AFAIK you just add some lines in your zone file
> > (eg: named.blah.com)... here is a very basic one from my DNS server:
> > 
> > @       IN      SOA     ns1.x11.net.    hostmaster.x11.net. (
> >                                         2001012305      ; serial
> >                                         28800           ; Refresh
> >                                         7200            ; Retry
> >                                         604800          ; Expire
> >                                         86400 )         ; Minimum TTL
> > 
> >                         NS      ns1.x11.net.
> >                         NS      ns2.x11.net.
> > 
> >                         MX      10 mail-relay.x11.net.
> > 
> > www                     IN      A       195.7.228.59
> > 
> > the relevent line is
> >                         MX      10 mail-relay.x11.net.
> > 
> > you can have multiple MX records, the higher the number the lower the
> > priority.. eg
> > 
> >                         MX      10 mail-relay01.x11.net.
> >                         MX      20 mail-relay02.x11.net.
> >                         MX      30 backup-relay.isp.com.
> > 
> > will cause the mail to go to 'mail-relay01.x11.net', however if
> > 'mail-relay01.x11.net' is unavailable or not accepting mail it will go to
> > 'mail-relay02.x11.net' and failing that 'backup-relay.isp.com'.
> > 
> > Regards,
> > Dan - who could very well be wrong!.. and is the sort of person who
> > forgets the 'dot' at the end of the line regularly :P
> > 
> > Paul Khoury sent the following on Mon, 29 Jan 2001...
> > 
> > > Thanks to all who helped me with my past BIND problems, the server
> > > works perfectly, and I just switched two domains I own over to it today.
> > >
> > > What I'd like to do now is learn about getting MX records implimented, but I'm not sure where
> > > to place them, as in which file(s).  I'd need them for different domains.
> > >
> > > Thanks,
> > >
> > > Paul
> > >
> > >
> > > _______________________________________________
> > > Rescue maillist  -  Rescue at sunhelp.org
> > > http://www.sunhelp.org/mailman/listinfo/rescue
> > >
> > 
> > _______________________________________________
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