On Thu, Feb 16, 2012 at 04:26:58PM +0100, Scappatura Rocco wrote:
> > Scappatura Rocco:
> > > I would like that sender domain names for which is not configured
> > > any MX record are not relayed from my MTA. I have tried to use the
> >
> > That would be a mistake. There is no RFC REQUIREMENT that a
> > domain has an MX record.
>
> I have no doubt about the correctness of what you stated above, ...
>
However, if no MX record exists, an "A" record MUST exist (some
day an "AAAA" may also be sufficient, for now most MTAs don't do
IPv6).
--
Viktor.
