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Tools

DMARC Generator

Generate a DMARC policy for your needs: protection level, reporting address.

Create a DMARC record online

Choose a policy (start with none, monitoring only), specify the email for aggregate rua reports and, if needed, the application percentage — the generator assembles a ready DMARC record. Add it to DNS as a TXT record for the _dmarc.yourdomain subdomain.

The right rollout strategy: a month or two on p=none collecting reports, analyzing who sends mail in your name, tuning SPF/DKIM for all legitimate sources — and only then quarantine, later reject. This protects the domain from phishing without breaking your own mailings. Verify the active record with our DMARC check tool.

FAQ

How to generate a DMARC record?
Choose a policy (none/quarantine/reject), specify the rua reporting address and application percentage — the generator builds a ready TXT record.
Which policy to start with?
Start with p=none — it only collects reports without blocking anything. After analyzing reports, move to quarantine, then reject.
Where to add the DMARC record?
As a TXT record in DNS for the subdomain _dmarc.yourdomain. The value is the generated string starting with v=DMARC1.
Why specify rua?
Mail systems will send reports to this address about who sent mail as you. It helps detect phishing and fine-tune SPF/DKIM.
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