Re: VeriSign SMTP reject server updated

["Stephen J. Wilcox" <steve () telecomplete co uk>]

On Sat, 20 Sep 2003, Eric A. Hall wrote:

> on 9/20/2003 1:01 PM Matt Larson wrote:
>
> > We are interested in feedback on the best way within the SMTP protocol
> > to definitively reject mail at these servers.
>
> You need to:
>
>  1) fatally reject mail for domains that are not delegated with 5xx
>
>  -and-
>
>  2) softly reject mail for domains that are delegated with 4xx so
>     the messages are requeed and may get to an authorized server on
>     the next run
>
> Used to be able to use DNS for this.

I had a thought, its a hack but..

What if you change the behaviour of the GTLD named daemons to return an NXDOMAIN 
response to any MX queries on non-existent domains, you will then take this 
whole debate on SMTP out of the equation ...

Steve