er, NO. SMTP has no dependence on what may or may
not exist in the DNS. Forcing SMTP to depend on DNS
is a huge mistake. And yes Virginia, I plan on removing
A rr's from my zones (eventually)
You know, that's a very interesting point. One of more common configuration
variations we see is to disable MX lookups and just use address records. (Thi
s
You just overrode RFC 2821 by *disabling* the MX lookup.
There is no reason why you can't also override RFC 2821bis
by disabling the MX lookups and connecting directly.
I don't see this as changing anything.
Mark
is done for a variety of reasons, most often having to do with administrative
control issues.) In an IPv6-only future world I see no reason why the need fo
r
this sort of configuration will vanish and I don't think having the RFCs
say it shouldn't work is a good idea.
I'm therefore changing my position from "no opinion" to "keep 2821bis the way
it is".
Ned
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Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews(_at_)isc(_dot_)org
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