"Stuart D. Gathman" <stuart(_at_)bmsi(_dot_)com> writes:
Notice that for testspf2.bmsi.com, the records differ only in the
case of 'A'. Should that be an error? :-)
I would say "yes". Section 4.5 doesn't say "equivalent", it says
Of course, Section 4.4 says that you don't have to look for both
types, so it is valid to give either a PermError, use one, or use the
/me hates the SPF RR type.