Adding MX to an alias

Barry Margolin barmar at alum.mit.edu
Fri Dec 12 05:01:50 UTC 2003


In article <brasuk$29qc$1 at sf1.isc.org>,
 Simon Waters <Simon at wretched.demon.co.uk> wrote:

> Jim McCullars wrote:
> > 
> > Create an A record for exponent, with the IP address of info, and then an
> > MX to email?  If I do that, will I break the sendmail (or something else)
> > on email or info?
> I'd probably do it that way, and it shouldn't break anything, if it does
> whatever broke was too brittle ;)
> 
> You could also do a wildcard (*.uah.edu.) MX if these are generally
> defaulting to the central mail server.

The wildcard won't work -- wildcards only fill in for names that don't 
exist.  Since this name already exists as a CNAME, the wildcard MX will 
not apply to it.

Another solution is to add the MX record to the name that the CNAME 
translates to.

-- 
Barry Margolin, barmar at alum.mit.edu
Woburn, MA


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