

Next steps: After you set up DKIM for Microsoft 365.


Steps to configure DKIM for more than one custom domain.Steps to manually upgrade your 1024-bit keys to 2048-bit DKIM encryption keys.Steps to Create, enable and disable DKIM from Microsoft 365 Defender portal.How DKIM works better than SPF alone to prevent malicious spoofing.This article lists the steps to use DomainKeys Identified Mail (DKIM) with Microsoft 365 to ensure that destination email systems trust messages sent outbound from your custom domain. Learn about who can sign up and trial terms here. Did you know you can try the features in Microsoft 365 Defender for Office 365 Plan 2 for free? Use the 90-day Defender for Office 365 trial at the Microsoft 365 Defender portal trials hub.
