nanog mailing list archives

Re: question on ptr rr


From: Arnold Nipper <arnold () nipper de>
Date: Mon, 09 Feb 2004 18:13:53 +0100


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


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