Marc Alaia [marc(_at_)alaia(_dot_)net] wrote:
How exactly is it a privacy concern for a receiving SMTP server (that is
receiving an email from joe(_at_)domain(_dot_)com from IP 11.22.33.44) to do
a dns
query of:
44.33.22.11.joe._spf.domain.com and the DNS server would return a value
that signifies either 'permitted' or 'denied'?
*That* would indeed hardly be a privacy concern.
I believe that is pretty much what Phil was suggesting, but with
possibly more information fields in the query....
*What* more information fields?
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