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Re: Trust (was: SPF is fundamentally broken)
From: Alex van den Bogaerdt (alex
ergens.op.het.net)
Date: Thu Jan 15 2004 - 04:50:37 CST
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On Thu, Jan 15, 2004 at 02:15:05AM -0500, Victor.Duchovnimorganstanley.com wrote:
> Anyone who claims that SMTP is broken is actually claiming that store and
> forward email is a bad idea. There is *nothing* in SMTP (the protocol)
> that is not inherent in store and forward email delivery (the real-life
> problem or process).
Store and forward has no problem with SPF. It is receive-and-resubmit
by the end user that has problems with SPF.
SPF defines valid exit points for a certain RHS. It does nothing to
intermediate store-and-forward MTAs within one trust domain.
Intermediate MTAs under control of the same entity trust each other.
Intermediate MTAs under control of separate entities need a mechanism
to trust each other. This mechanism is SPF.
Alex
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