DMARC stands for "Domain-based Message Authentication, Reporting, and Conformance". It is an authentication protocol designed to combat email fraud and spoofing by verifying the authenticity of emails. DMARC allows domain owners to set policies used by email providers to determine what should happen to emails originating from their domain that do not conform to authentication policies.
Typical functions of software in the DMARC area include:
Authentication verification of emails: The software verifies the authenticity of incoming emails based on DMARC policies and other authentication methods such as SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail).
Implementation of DMARC policies: The software allows domain owners to set DMARC policies to determine how email providers should handle unauthenticated emails.
Reporting and monitoring: The software collects reports on the delivery status of emails and provides them to the domain owner to gain insights into email traffic and potential attacks.
Violation notifications: The software notifies the domain owner of violations of DMARC policies so that quick action can be taken.
Customizable policy settings: The software allows domain owners to customize and configure DMARC policies according to their requirements.