out of place mx records.
Barry Margolin
barmar at alum.mit.edu
Fri Oct 29 01:26:20 UTC 2010
In article <mailman.585.1288263412.555.bind-users at lists.isc.org>,
Tony Finch <dot at dotat.at> wrote:
> On Thu, 28 Oct 2010, Gregory Machin wrote:
> >
> > My question is why would "IN MX 10 mcvpemr01" and "IN MX
> > 10 mcvpemr02" be repeated trough the zone file surely this is
> > redundant ?
>
> Some hostmasters like to ensure that mail is not directed to hosts that do
> not listen on SMTP. They prefer misdirected mail to be rejected
> immediately rather than waiting days for the sending system to time out.
> Some of my colleagues have this setup on the zones they manage
> (eng.cam.ac.uk and cl.cam.ac.uk).
But configuring MX records won't necessarily accomplish this. It will
cause mail for all these hosts to be delivered to mcvpemr01 or mcvpemr02.
--
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***
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