Proper Way to Configure a Domain which never sends emails
Barry Margolin
barmar at alum.mit.edu
Mon Aug 19 14:33:30 UTC 2019
In article <mailman.930.1566219505.711.bind-users at lists.isc.org>,
Ignacio GarcÃa <yo at ignasi.com> wrote:
> Hi there.
>
> Thanks for your support. First message to the list, sorry if already
> posted a similar question, but I haven't found mention anywhere.
>
> I have to set up dns records for a domain just for a web site, for which
> we will NEVER send emails (though we might receive some from old
> customers), so I would like to announce somehow that emails sent from
> this domain should always be disregarded. I was thinking of setting just
> A and AAAA records for @ and www, NS records, MA records (for receiving)
> and SPF with a record just consisting of v=spf1 -all , not declaring an
> A and MX records at all. I'm not sure at all this is a proper way of
> declaring this. In fact, what I would like is to EXPLICITELY mention
> somehow that we will never send emails from that domain. Could anybody
> help me with this?
A common practice is to point the MX record to ".".
--
Barry Margolin
Arlington, MA
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