> -----Original Message-----
> From: Julian Mehnle
> Sent: Wednesday, January 07, 2004 10:47 AM
> Roger B.A. Klorese <[EMAIL PROTECTED]> wrote:
> > Julian Mehnle wrote:
> > > And why has nobody else yet implemented YASAF?
> >
> > Before they write it and build its infrastructure?
> >
> > Perhaps you'd like to tell me why you're not driving the
> >2033 Porsche.
>
> I only gave a somewhat sarcastic answer to Malcolm's question:
>
> Malcolm Weir <[EMAIL PROTECTED]> wrote:
> > [...]
> > Sure. Now, explain why [SPF] isn't already being used universally?
> > Why doesn't Yahoo simply implement it?
>
> Neither SPF nor YASAF is really finished, and they both are
> certainly far from "being used universally".
So why do you, and others, seem so upset with a proposal that *is*, in at
least some regards, more secure and more useful (to large ISPs)?
SPF doesn't meet their (Yahoo's) needs, for several reasons. It *isn't*
useless, but it's nowhere near as useful (to Yahoo and other large ISPs) as
the crypto solution. And it does diddly for the legal side of the matter.
I was (and am) fed up with this extraordinarily ill-founded idea that Yahoo
apparently 'should have' adopted SPF rather than craft a solution that fits
their needs (perhaps best encapsulated in the observation that the phrase
'most natural' has little to do with any tangible problem). The _fact_ is
that SPF _didn't_ fit Yahoo's needs, and rather than address those
deficiencies in SPF, all I've seen from you (and others) are arm-waving
explanations that SPF is, apparently, good enough. So I simply turned the
question around ("Why doesn't Y! simply implement it?").
Don't get me wrong: it may well be good enough for you. But it obviously
isn't quite good enough for Yahoo, hence their own proposal. And one of the
merits of their own proposal is that it will be useful *to Yahoo* even if
no-one else adopts it...
The RFC's and standards bodies are littered with standards that are
fully-formed but simply don't address a real need, or don't address a need
well enough. Just take a look at ANSI standard tape formats! SPF looks
adequate for what it does, but for essentially the same administrative
overhead, 'YASAF' does more, including the issue of providing legally useful
proof of origination.
Malc.
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