M365 – How To Stop SPF-Failed Emails From Passing Through
By default, SPF-failed emails will still get delivered in Microsoft 365. To its credit, they do most likely end up in the Junks folder. I understand the reason behind it because even in 2023, there are still many mail servers that aren’t configured correctly. But the fact that an SPF-failed email passes through still bothers me. To stop it, you […]