Message-ID: <3106BBF4.4C47@isocor.com>
Date: Wed, 24 Jan 1996 15:08:36 -0800
From: Erik Forsberg <erik.forsberg@isocor.com>
Organization: ISOCOR
MIME-Version: 1.0
To: Mark Crispin <MRC@Panda.COM>
CC: "Eric Norman (MACC)" <EJNORMAN@macc.wisc.edu>, drums@cs.utk.edu
Subject: Re: A suggestion for IPv6 domain literals
References: <MailManager.822521130.18416.mrc@Ikkoku-Kan.Panda.COM>
Content-Type: text/plain; charset=us-ascii
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Mark Crispin wrote:
> 
> On Wed, 24 Jan 96 16:03 CDT, Eric Norman (MACC) wrote:
> > I agree that logging IP numbers is quite valuable; however, that has
> > to do with the format of addresses in RFC822 or RFC821.
> 
> Uh, where do you think this is logged?  Don't you think that Received: headers
> are part of RFC821/RFC822?
> 
> > When the DNS is broken, what problem does having domain literals solve?
> 
> Here's another example.  My machine asks the DNS for its own name, and gets an
> error.  So, it sets the From address of my mail to be "mrc@[192.107.14.129]"
> which is perfectly valid *and* replyable.
> Hi guys, Just joined this mailing list.
It seems in this world of today, it is very uncertain that such an address
is always valid AND replyable. Consider todays extensive use of firewalls that
almost guarantees that you wont be able to send mail to an individuals workstation
With firewalls in place, you cant really do anything unless the DNS system is
working and proper MX records are available.