"Eric A. Hall" <ehall(_at_)ehsco(_dot_)com> wrote:
The difficulty is that email becomes dependent on one more service,
which makes it less robust.
Store them inside the mail service itself, with an ESMTP verb being used
to fetch the policy statements for the domain.
Which has deployment issues.
The only other option that actually takes operational issues into
consideration is scaling MARID back down to a small and rigid structure.
The majority of existing SPF records seem to satisfy this criteria.
The question then is will the SPF + CID team come up with a solution
which also satisfies this criteria.
Alan DeKok.