Re: HELO vs. MAIL FROM

On Thu, Oct 23, 2003 at 02:29:06PM -0400, Raymond S Brand wrote:
> Telling domain name owners how to manage their namespace isn't going
> work. Forget the concept of a host component and treat the HELO
> parameter as a domain name.


Most MTAs present their hostname. The domain owner would have to 
provide a RMX entry for every single relay. This is an argument 
for slicing away one component. On the other hand you gave good 
arguments for not doing so. 

Difficult. Should we do a double lookup? 

Hadmut