Forum Discussion
tsula
Jun 26, 2020Copper Contributor
office 365 mail SPF Fail but still delivered
Hello today i received mail from my organization. i check headers and see that spf failed. Received-SPF: Fail (protection.outlook.com: domain of mydomain.com does not designate 67.220.184.98 as pe...
davyvaessen
Apr 24, 2023Copper Contributor
Microsoft please explain how this is designed behavior in this day and age?
Sorry, but this is unacceptable!
RNalivaika This is defunct out of the box! The default HAS to be secure and currently it is NOT.
Tobse_
May 03, 2024Copper Contributor
"Security by design" 🙂