Re: summary for Last Call: <draft-ietf-appsawg-nullmx-05.txt> (A Null MX Resource Record for Domains that Accept No Mail) to Proposed Standard

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ned+ietf@xxxxxxxxxxxxxxxxx <ned+ietf@xxxxxxxxxxxxxxxxx> wrote:
>
> The closest existing code is 5.4.4 Unable to route:

What's wrong with 5.1.2 and 5.1.8 ?

      X.1.2   Bad destination system address

         The destination system specified in the address does not exist
         or is incapable of accepting mail.  For Internet mail names,
         this means the address portion to the right of the "@" is
         invalid for mail.  This code is only useful for permanent
         failures.

      X.1.8   Bad sender's system address

         The sender's system specified in the address does not exist or
         is incapable of accepting return mail.  For domain names, this
         means the address portion to the right of the "@" is invalid
         for mail.

Tony.
-- 
f.anthony.n.finch  <dot@xxxxxxxx>  http://dotat.at/
Trafalgar: West or southwest 4 or 5. Slight or moderate. Thundery showers in
north. Good, occasionally poor in north.





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