Answer
How To Add DMARC Records
Learn how to add a DMARC DNS record and why it helps protect your domain from spoofing and email abuse.
In short
Add a DMARC TXT record at _dmarc.yourdomain.com. DMARC tells receiving mail servers what to do when SPF or DKIM checks fail.
Key points
- DMARC is added as a DNS TXT record.
- The host is usually _dmarc.
- Start with a monitoring policy if you are unsure.
- DMARC works with SPF and DKIM alignment.
| Policy | Meaning |
|---|---|
| p=none | Monitor only |
| p=quarantine | Send suspicious mail to spam |
| p=reject | Reject unauthenticated mail |
| rua= | Where aggregate reports are sent |
What DMARC does
DMARC protects your domain by giving receiving mail servers instructions for messages that fail authentication checks.
Start carefully
If your domain already sends email from multiple tools, start with p=none until you understand all legitimate senders.
Why it matters for business trust
DMARC helps reduce spoofing, phishing, and fake messages that pretend to come from your domain.
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