Alumno Etsii: > As far as I'm concerned, SPF is not an anti-spam tool, but an anti-forgery > tool.
I'm ending this discussion before the flames flare up.
Let's suffice with the following observation:
SPF helps a sender and receiver who know each other. Otherwise
it helps no-one.
The same holds for any system that relies on sender-provided
policy information including DKIM.
Wietse
