Forum Discussion
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...
Failing SPF will not cause Office 365 to drop a message, at best it will mark it as Junk, but even that wont happen in all scenarios.