On tor 11 nov 2010 23:13:51 CET, Noel Butler wrote
*and* as an SPF record type, the TXT method is deprecated, but for time being it's good to use it since there are a lot, and I mean a LOT of outdated DNS servers around that do not support it even today, yes, the fault of the DNS server admin for running antiquated rubbish, but, there's just no telling some people to get with the times.
Mail::SPF handle both TXT and SPF records Mail::SPF::Query only TXT so when only SPF rr is tested dns providers would properly follow to late :( -- xpoint http://www.unicom.com/pw/reply-to-harmful.html