dnswl.org partially does that. Entities which have close administrative control over their users get higher trust levels.
-- Matthias On Thu, Aug 18, 2016 at 9:31 AM, Nicola Piazzi <nicola.pia...@gruppocomet.it > wrote: > It can be very useful a dns service URIBL that tell if a domain is public > or private > If is private I can whitelist entire domain instead address by address > when I receive an ham from one > For example : > I cannot WL gmail.com if I receive a ham from j...@gmail.com > But I can WL cocacola.com if I receive ham from s...@cocacola.com because > only cocacola.com users can use cocacola.com domain > Do you know something about it ? > > > > -- Matthias Leisi Katzenrütistrasse 68, 8153 Rümlang 043 211 03 55 / 079 377 04 43