Re: Explain please

johnp wrote:
> Terry Fielder wrote:
>
> > william(at)elan.net wrote:
> >
> > > On Fri, 8 Jul 2005, Julian Mehnle wrote:
> > >
> > > > William Leibzon wrote:
> > > >
> > > > > P.S. When telephone call is made and is forwarded somewhere else, what
> > > > > number do you think is going to show up and who are you talking to?
> > > >
> > > >
> > > >
> > > > I don't care.  But what I do know is how it _should_ be:
> > > >
> > > >  CALL FROM:<forwarder>
> > > >  Originator: <originator>
> > > >  Caller: <forwarder>
> > >
> > >
> > >
> > > This is not going to be very popular. To be more correct many would
> > > probably want both originator and forwarder (which is missing in call 
> > > data) but almost everyone considers that whoever they are talking to
> > > is who the call is from.
> > >
> > > For communications/messaging systems forwarder is a facilitator that
> > > helps in establishing communication path from data origin to data
> > > destintation, it does not replace who the data is from, merely helps
> > > it on the way.
> >
> >
> > Agreed, 100%.  But along the way it *must* identify itself.  Else 
> > someone out of the blue could fake a message, claim to be a forwarder 
> > and fool the destination to think it came from somewhere it did not.
> > Hence why the RFC2822 From should be left as the original sender, and 
> > the RFC2821 should be the forwarder identifying itself 
>
> Agreed - but not the next bit -
>
>
> (unless of course
>
> > its known and trusted by the final recipient, then it doesn't need to 
> > identify itself).
> *ALL* forwarders should identify themselves as the 2821 sender, with an 
> SPF record for me to confirm that with.  Then I won't need to use any 
> reputation service.
Actually, I even agree with you.  But I was compromising for those who 
do not want to change their forwarders because they feel trusting them 
is sufficient.
Terry

> Slainte
> JohnP
>
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--
Terry Fielder
terry(_at_)greatgulfhomes(_dot_)com
Associate Director Software Development and Deployment
Great Gulf Homes / Ashton Woods Homes
Fax: (416) 441-9085