RE: [Asrg] How to defeat spam that uses encryption?

[Vernon Schryver <vjs@calcite.rhyolite.com>]

> From: "Bob Atkinson" <bobatk@exchange.microsoft.com>

> > I think there is clear and convincing evidence that most spam carries
> > From values that are owned by the spam sender and that would be properly
> > authenticated by any authentication protocol usable by free mail providers
> > and sloppy ISPs during at least the start of a spew of spam.
>
> Suffice it to say that this is far from a universally held perspective.
> Indeed, data I myself have seen from datasets millions of messages in
> size explicitly contradicts it.

I'd be happy to be proven wrong.  Do you have access to data from Hotmail?