Am 01.05.2017 um 06:19 schrieb Steve Jenkins:
> Yahoo! has always been problematic (no surprise) because unlike all the other > big mailers that Postwhite queries, they don't expose the IP addresses of > their outbound mailers via their SPF records. Hello Steve, SPF is intended for an other use case. It authenticates and given IP. Postwhite try to use SPF data bye reverse means so it's obvious limited. Andreas
