postfix-users October 2010 archive
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postfix-users: Re: Request for help with redesign of Postfix Con

Re: Request for help with redesign of Postfix Configuration File ...

From: Jeroen Geilman <jeroen_at_nospam>
Date: Fri Oct 22 2010 - 07:28:38 GMT
To: postfix-users@postfix.org

On 10/22/2010 06:54 AM, Christopher Koeber wrote:
> On Thu, Oct 21, 2010 at 4:52 PM, Jeroen Geilman <jeroen@adaptr.nl
> <mailto:jeroen@adaptr.nl>> wrote:
>
> No.
>
> foo.bar MX 10 foo.bar is unnecessary, as any valid A record can
> receive mail.
> Since foo.bar has to be an A record (you're using it as the MX
> value) the MX record is superfluous.
>
> --
> J.
>
>
>
> I guess I am being overly cautious since when I set up networks I
> always add an MX record for the domain to the mail server.
> I never knew that if an A record points to the mail host then you
> don't need the MX record for said host.
> Should I remove the record?

I wouldn't - but then again, I wouldn't run a mail server on the domain
A record either :)

There are MTAs that want a mail *sender* to have an MX record (which is
silly), but it should never matter.

> Regards,
> Christopher Koeber

-- J.