Starting May 5, Microsoft will require DMARC.

Check if your domain is compliant.

The Skysnag Blog

tep-by-step guide to configuring DKIM for Proofpoint Essentials. Strengthen email authentication and prevent spoofing by enabling DKIM signing for your domain
October 11, 2023

How to Configure DKIM for Proofpoint Essentials?

DomainKeys Identified Mail (DKIM) is an email authentication system designed to detect email spoofing. It allows organizations to take responsibility […]