In this video, I walk you through a tutorial of SPF, DKIM, and DMARC records. All of these records help with ensuring you have authenticated senders within your mail environment.

SPF: https://docs.microsoft.com/en-us/micr...

DKIM:https://docs.microsoft.com/en-us/micr...

DMARC: https://docs.microsoft.com/en-us/micr...