Dave Crocker wrote:
On 4/12/2014 3:23 PM, Brian E Carpenter wrote:
Could somebody explain what that means and whether it can be used to
mitigate the current issue? Or are substantial changes needed
in the fundamentals of DMARC?
It means that a receiving system, which otherwise complies with DMARC
policy records, has chosen to deviate from a domain owner's request to
reject messages that fail DMARC, by virtue of knowing that it went
through a mailing list that was trusted.
In other words, it means that the receiving mail system whitelisted a
mailing list.
Which - I'll note - Yahoo is not providing for.
Miles Fidelman
--
In theory, there is no difference between theory and practice.
In practice, there is. .... Yogi Berra