Michael Orlitzky skrev den 2017-01-26 19:24:
The OP is looking for a way to whitelist so the "?all" is irrelevant. Does the sending IP pass the SPF check? If so, whitelist it.
PTR in spf is very hard to forge treat it as ip4:0.0.0.0/0 -allyahoo do not want to reject based on spf, but still provide a badly spf to follow ignorants
