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...
tsula firstly, this mostly depends on the spam filtering policy you have configured. Secondly, if your user has the sender's address added to their safe senders list, or sender address is in contacts + contacts are trusted, the message would skip spam filtering and be delivered to inbox.
If you provided a sample message header, we might be able to tell you more.
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.
- "Security by design" 🙂