On Wed, Nov 16, 2016 at 3:53 PM, David Sgro, Dataspindle <d...@dataspindle.com> wrote: > - A company called ProofPoint had my block along with several other > neighboring /20's listed due to a SPAM incident that happened in 2013. Spoke > to them. Very nice people. They understood and cleared it up right away. > Yahoo uses ProofPoint to help determine email reputation.
Proofpoint provides reputation to others too, most notably icloud.com. You probably want to check *every* known reputation source. I'm sure you're listed elsewhere if it was that bad. _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
