SPF on 9.4.1 now?
Michael Milligan
milli at acmeps.com
Mon May 21 14:36:56 UTC 2007
Mark Andrews wrote:
>
> No. You use it *instead* of TXT record. There is no need
> to dual publish the data. Anyone that really cares about
> SPF will upgrade their clients.
As a practical matter, I must respectfully disagree. It will be some
time before everyone gets a chance to upgrade, and the timeout issue
with looking up SPF from some DNS server sets (not BIND or MS
implementations far as I can tell) is a significant issue. This timeout
issue could, of course, be a firewall issue... anyway, it has a
significant impact on high-volume (for various definitions of "high")
mail sites. And thus is ultimately off-topic for this list. FIN.
E.g., massivebonus.net
Regards,
Mike
--
Michael Milligan -> milli at acmeps.com
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