M365 Changelog: Microsoft Defender XDR: Simplified DomainKeys Identified Mail (DKIM) setup for enhanced domain protection

Summary

The message details a Microsoft Defender XDR update simplifying DKIM setup for domain protection, with a rollout starting mid-June 2024 and completing by mid-July 2024. It introduces easier DKIM activation during domain registration and a redesigned DKIM page for better information visibility. Preparation is minimal as the update is automatic.

MC799276 – This feature update provides improvements to how you can protect your domains from spoofing with DKIM (DomainKeys Identified Mail). 

When this will happen:

General Availability (Worldwide, GCC, GCC High, DoD): Microsoft will begin rolling out mid-June 2024 and expects to complete by mid-July 2024.

How this will affect your organization:

There are two major updates, as shown below.

Easier DKIM activation during domain registration

Now, you can directly enable DKIM from the domain page in the admin portal during the domain registration process. Click to select the DomainKeys Identified Mail (DKIM) box below, and the wizard will guide you through the steps to publish and enable DKIM.

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Revamped DKIM page

The DKIM page has been redesigned to provide more information at a glance. You can now easily see the status of DKIM and enable it by selecting the toggle, as shown below.

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What you need to do to prepare:

This rollout will happen automatically. You may want to notify your security or email admin about this change and update any relevant documentation as appropriate.