DNS Question

[RW]

On Fri, 23 Oct 2009 10:33:07 -0700
xSAPPYx <xsappyx at gmail.com> wrote:

> Also, MX needs to resolve to an A, not a CNAME.. If you are using mail
> on all these domains, use A records


You can use the domains for mail provided that that they share MX
servers, if example.com has a CNAME pointing to example.net then mail
to example.com will use the mx servers for example.net.

What you shouldn't do is mix the CNAME with separate  MX records
because it creates an ambiguity.