[SunRescue] MX records in BIND

[Clay Mellender]

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
> >
> 
> _______________________________________________
> Rescue maillist  -  Rescue at sunhelp.org
> http://www.sunhelp.org/mailman/listinfo/rescue