Verify Before You Publish
A single misplaced semicolon, a missing "mailto:" scheme, or incorrect tag ordering will invalidate your entire DMARC policy. Paste your raw DMARC string here to validate its syntax and RFC compliance strictly.
DMARC Records Tools
Validate your raw DMARC strings before publishing. Ensure strict RFC 7489 compliance, verify mandatory tag ordering, audit mailto: URIs, and catch formatting errors in real-time.
A single misplaced semicolon, a missing "mailto:" scheme, or incorrect tag ordering will invalidate your entire DMARC policy. Paste your raw DMARC string here to validate its syntax and RFC compliance strictly.
Ensure your DMARC syntax is completely free of errors. DMARC parsers are notoriously strict, and even minor formatting mistakes can cause receiving servers to ignore your anti-spoofing policies.
v=DMARC1 MUST be the first tag, and p= MUST be the second tag. We validate this exact ordering.mailto: prefix in the rua or ruf tags. Our validator strictly audits URI schemes.pct= must be between 0 and 100, adkim= must be 'r' or 's').Your feedback has been submitted successfully. We appreciate your help in improving our tools.