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Free DMARC generator

Create a DMARC record you can understand before publishing.

Start with reporting, inspect legitimate senders, then move toward enforcement safely. Do not jump to reject before alignment is verified.

FreeNo cardBuilt for diagnosis
v=DMARC1; …

Don't publish p=reject yet.

Going straight to enforcement without a rollout plan blocks your own mail — invoices, password resets, and anything sent by a tool nobody remembered. We'll stage it, watch the reports, and tell you when it's genuinely safe to tighten. Reply within one business day.

Free. Most domains need weeks at p=none first; we'll tell you honestly if yours isn't ready.

Do not publish DNS records or suppress customer data solely from an automated result. Validate changes against your actual sending stack.

What this tool can and cannot tell you

Useful for

  • Fast initial diagnosis
  • Finding obvious configuration or content risk
  • Preparing a more focused technical review

Not proof of inbox placement

  • Mailbox providers use private reputation signals
  • Results vary by message, audience and infrastructure
  • A real placement test requires a controlled send

Need the answer mailbox providers do not publish?

Run the full inbox placement test across Gmail and Outlook, then receive fixes ranked by impact.