On Sun, 6 Feb 2005, Fred Viles wrote:
> On 6 Feb 2005 at 17:24, Alan J. Flavell wrote about
> "Re: [exim] Re: Report of new spam t":
>
> | On Sun, 6 Feb 2005, Richard Clayton wrote:
> |
> | > An absolutely key measurement is delivery failures.
> | >...
> |
> | Yes, but based on what? Envelope-sender address? IP address of
> | offering MTA?
>
> Authenticated sender, I would think. Requiring SMTP AUTH is a
> reasonable presumption.
Oh, right! Then the thread is about detecting problems with outgoing
mail from your *own* customers - not about detecting incoming mail
from remote infested sources.
I'm afraid I'd slipped into the wrong context.
Hope the other points were useful to someone, anyway.