Protect your domain from spoofing

Publish one DMARC record. We show you who sends mail as your domain and what to fix before each step toward p=reject.

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An email address and a password work too; that form is below.

Free for your first domain · No card · Per-source totals kept for life

What you get free

Your first domain is free, with no end date
On the Starter plan and up, you get guided enforcement with automatic rollback and same-day alerts. Try them free for 30 days, no card.

Confirm this address, add your domain and publish one DMARC record. Your mail flow doesn't change.