Microsoft Defender for Office 365: DomainKeys Identified Mail (DKIM) support for Advanced Delivery
We’re adding support for DomainKeys Identified Mail (DKIM) domains to our advanced delivery feature, enabling administrators to use DKIM domains in addition to sending domains to configure their third-party phishing simulations.
More info: https://techcommunity.microsoft.com/t5/microsoft-defender-for-office/mastering-configuration-in-defender-for-office-365-part-two/ba-p/2307134


HANDS ON tek
M365 Admin







