Allowed Spoofing - DNS or Microsoft tools?

Daniel Birrell 41 Reputation points
2023-02-07T12:41:25.4366667+00:00

Hi,

Normally when dealing with allowed spoofing we would use DNS/DKIM/SPF records etc to allow an external org (mailer for example) to send on behalf of our org.

Microsoft offer allowed spoofing via Spoof Intelligence Insight and tenant allow block list

My questions is as follows

Between DNS config and Using Defender tools what is the difference and is one more secure then the other?

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