Patrik,
PF> [4] Change the resource record type
PF> See previous bullet, it forces the MX and the "RMX" to be in the same
PF> zone, which in turn forces the records to be managed by the same
PF> entity.
Your analysis did not consider differences in rate of deployment and adoption.
The choice involves some tradeoffs. We need to make sure that we
consider them as a set.
New record types have a history of taking a _very_ long time before
they gain widescale usability. Given the urgency of spam control, this
is an important concern.
d/
--
Dave Crocker <dcrocker-at-brandenburg-dot-com>
Brandenburg InternetWorking <www.brandenburg.com>
Sunnyvale, CA USA <tel:+1.408.246.8253>