Rubens Kuhl Jr. wrote:
pch.net publishes a SPF record: "v=spf1 ip4:204.61.210.70/32 mx mx:woodynet.net a:sprockets.gibbard.org a:ghosthacked.net ~all" Besides going from soft-fail (~all) to fail (-all), they are already giving you the tools you need to validate a MAIL FROM: claim. Rubens
Thats all very well and good, but advising people who do not validate with spf to whitelist by domain name is an over-simplification.
