No, it hopefully won't - and _if/when_ SPF (or anything like that) 
will be implemented world wide you can't filter smtp traffic. Because
the customer has to authenticate himself at _his_ mailserver. But as I
heard: Cablecom is enforcing ASMTP on all customers - that's a good
move, and hopefully some will "follow".

BTW: Such a proxy also limits your choice of where having your
housing/mailserver and where having your DSL connection - with such a
proxy you'll have to have both from the same ISP.

On Die, Nov 09, 2004 at 11:26:56 +0100, Roger Schmid wrote:
> This will be hopefully standard in the future ;-)
> > We have many customers which cannot connect to their mailserver @Hostpoint 
> > via ESMTP. I 
> > suppose, a transparent SMTP proxy filters all the Port 25 traffic.

-- 
     _;\_    Philipp Morger / PHM2-RIPE     System & Network Administrator 
    /_.  \   Dolphins Network Systems AG    Phone +41-1-847'45'45
   |/ -\ .)  Email:                         <[EMAIL PROTECTED]>
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