Re: An A record is an MX record and is a missing MX....

[Michael Moscovitch <michaelm () citenet net>]

At the risk of drifting off topic and draging this on more than I should:

On Fri, 4 Apr 2003, Owen DeLong wrote:

> There is one other situation where you need an MX record.  If your domain
> is foo.com and the A record for foo.com is _NOT_ the machine that accepts
> mail for foo.com, you need an MX record pointing to the correct machine.
> Often this will be mail.foo.com or smtp.foo.com.
>
> Owen

Yes,
a very common example of this would be people who use
foo.com as the website address and that machine is not capable
of accepting mail.

I will not comment on this practice, because I might be flamed to a crisp
and I left my asbestos underpants at home. :)

> --On Friday, April 4, 2003 10:13 AM +0800 Indra PRAMANA
> <indra () indra webvis net> wrote:
>
> > At 03:58 PM 4/3/2003 -0600, Gerardo Gregory wrote:
> > > Since then I have learned that some MTA's will look for an A record if
> > > it  cannot find an MX record and use the A record instead.
> >
> > This is always the case. MX records are only required if you want to have
> > more than one mail exchange servers to serve your domain, e.g. if you
> > want to have a secondary mail server as a relay if the primary server
> > goes down.
> >
> > If you only have one mail exchange server to serve your domain, you don't
> > need MX records. An A record pointing to your mail server is sufficient.
> >
> > -ip-
+--------------------------------------------------------------------------+
| Michael Moscovitch                                CiteNet Telecom Inc.   |
| michaelm () citenet net                              Tel: (514) 861-5050    |
+--------------------------------------------------------------------------+