On Nov 3, 2014, at 9:04 PM, Stephen J. Turnbull step...@xemacs.org wrote:
Douglas Otis writes:
After all, DMARC permits the weakest authorization as a basis for
acceptance, so it would be misleading to describe DMARC results as
having been *authenticated*.
Well, no, it isn't necessarily
Since SPF authorizes an often _shared_ outbound IP address, it has been
accurately described
as an authorization method. DMaRC permits a DKIM signature to be spoofed and
still allow
a message to be accepted solely on the basis of SPF. What magic turns
authorization into
On Wed, Nov 5, 2014 at 10:35 AM, Terry Zink tz...@exchange.microsoft.com
wrote:
Since SPF authorizes an often _shared_ outbound IP address, it has been
accurately described
as an authorization method. DMaRC permits a DKIM signature to be
spoofed and still allow
a message to be accepted
On Wednesday, November 05, 2014 06:35:32 PM Terry Zink wrote:
Since SPF authorizes an often _shared_ outbound IP address, it has been
accurately described as an authorization method. DMaRC permits a DKIM
signature to be spoofed and still allow a message to be accepted solely
on the basis