Errors-to: owner-drums@CS.UTK.EDU
Message-Id: <199506061806.OAA14610@wilma.cs.utk.edu>
From: Keith Moore <moore@CS.UTK.EDU>
To: perry@imsi.com
cc: John Gardiner Myers <jgm+@cmu.edu>, drums@CS.UTK.EDU, moore@CS.UTK.EDU
Subject: Re: handling literals 
In-reply-to: Your message of "Tue, 06 Jun 1995 13:25:49 EDT."
             <9506061725.AA29833@snark.imsi.com> 
Date: Tue, 06 Jun 1995 14:06:24 -0400
Sender: moore@CS.UTK.EDU

> John Gardiner Myers writes:
> > perry@imsi.com (Perry E. Metzger) writes:
> > > the : convention, but as domain names using the .ip6.int convention
> > > (the equivalent of the IPv4 .in-addr.arpa convention.)
> > 
> > I like this idea at first blush.  I assume the relevant DNS server
> > implementations would magically return A records for such things?
> 
> On v6 hosts, which don't exist yet, we can ask the DNS people to do
> what we like, or we can just hack our mailers. On the v4 hosts, we
> actually win big if we have the services return MX records.  You want
> them to return MX records on IPv4 hosts to do gatewaying between the
> v4 and v6 worlds, which is something that we otherwise would have to
> write code in order to implement.

Mail to domain-literals should not depend on DNS.

I most often use domain-literals to send mail when the recipient's DNS
server is broken.

Keith