Forum Discussion
RNalivaika
May 04, 2020Iron Contributor
Exchange Online Protection SPF record
Hi, I have received a message sent via Exchange Online host IPv6 "2603:10a6:20b:c0::31". The message was marked as spam because of SPF fail. Subnet "2603:10a6:20b:c0::/64" is not in the list of O365 ...
Rick
Jan 11, 2021Copper Contributor
I'm facing the same issue in certain circumstances. Did you happen to find a solution for this?
- RNalivaikaJan 15, 2021Iron Contributor
Rick no, sadly, i have not found any solution or explanation to this..