[67392] in North American Network Operators' Group
Re: question on ptr rr
daemon@ATHENA.MIT.EDU (Arnold Nipper)
Mon Feb 9 12:14:59 2004
Date: Mon, 09 Feb 2004 18:13:53 +0100
From: Arnold Nipper <arnold@nipper.de>
To: Valdis.Kletnieks@vt.edu
Cc: Michael.Dillon@radianz.com, nanog@merit.edu
In-Reply-To: <200402091659.i19GxfqF007352@turing-police.cc.vt.edu>
Errors-To: owner-nanog-outgoing@merit.edu
On 09.02.2004 17:59 Valdis.Kletnieks@vt.edu wrote:
> On Mon, 09 Feb 2004 10:38:20 GMT, Michael.Dillon@radianz.com said:
>
>
>>Imagine a world in which only ISPs run SMTP servers
>>which only talk directly to other servers with which
>>they have an offline relationship.
>
>
> 70K user. 40M .coms. N*M. Gee thanks. That's too damned many relationships
> to negotiate. And I think we learned our lesson with 'ADMD= PRMD=', didn't
> we?
Moreover: which ISP would take responsibility that the email is
delivered properly to the destination. Today all ISP just do best-effort.
This model won't work ...
Arnold