Glossary term
What is DMARC? Meaning for developers
DMARC stands for Domain-based Message Authentication, Reporting and Conformance.
A DNS record telling receivers what to do with mail that fails SPF or DKIM, and where to send reports. Start at p=none.
Learn it properly · DevOpsLesson 13: Route 53: Production DomainHosted zones, alias records to your load balancer and CDN, and health-checked routing for a real domain.