Forum Discussion
DKIM Key Rotation now results in invalid DKIM signature
Hi, In office 365 exchange admin center, DKIM, I clicked to Rotate the DKIM keys. The status for my domain now says "Rotating keys for this domain and signing DKIM signatures." I was in the ...
patrickcoom Hello Patrick, I'm on the run so just gonna attach this link in case you haven't seen it. It should at least shed some light on the process https://docs.microsoft.com/sv-se/microsoft-365/security/office-365-security/use-dkim-to-validate-outbound-email?view=o365-worldwide
I assume your not using any custom domains. Typically Microsoft automatically rotates your DKIM keys. Did you upgrade to 2048? By the way, it's very common with DNS misconfiguration.