Office 365: Creating DKIM and DMARC records

DKIM

Enable/locate DKIM records

https://security.microsoft.com

Navigate to Policies & Rules > Threat Policies > Email authentication settings > DKIM (Tab) - or -

Search for DKIM

Create CNAME records (2) (DNS Records)

DMARC

https://learn.microsoft.com/en-us/microsoft-365/security/office-365-security/email-authentication-dmarc-configure?view=o365-worldwide

Create DMARC record (DNS Records)

Viewing Quarantine Messages in Office 365 Portal

Https://security.microsoft.com

Navigate to Reports > Quarantine