Re: MTS transparency and anonymity

> I would like the rule to be that a null return path MUST only be used 
> for
> an auto-response (which includes DSNs and other kinds of bounce) and 
> MUST
> only be used with a recipient address which is the return path of the
> message that triggered the auto-response.
it's not going to happen.  there are too many other kinds of messages 
for which a null return-path is valid, and this is an incompatible 
change to a protocol that has ~25 years of deployment.
Keith