Can MX records point to multiple cnames

[David]

MX records must point to A records..

for example

    IN MX 10 mailhost
mailhost IN A 10.0.0.1
mail IN CNAME mailhost

David


"Ben Davies" <ben_davies at oxy.com> wrote in message
news:s77np4bjnfg131 at corp.supernews.com...
> I want to use oxymail.oxy.com as my mx record for all my external
machines.
> I also want oxymail to be a cname for each of two firewalls.  Can I do
this:
>
> server1.oxy.com.     in     a     1.1.1.1
> server1.oxy.com .    in    mx    10  oxymail.oxy.com.
>
> firewall1.oxy.com.    in    a    1.1.1.2
> oxymail.oxy.com.    in    cname    firewall1.oxy.com
>
> firewall2.oxy.com.    in    a    1.1.1.3
> oxymail.oxy.com.    in    cname    firewall2.oxy.com.
>
>
> or does the machine reverenced by the cname need to be an "A" record
>
>
> We get too much mail to just do this and the DNS and BIND book does not
> address this clearly.
>
>
>
>
>