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Q & A Email Auth · August 18, 2026

What is the difference between DMARC p=none, p=quarantine, and p=reject?

p=none means monitor only — emails that fail DMARC are delivered normally, but reports are sent to your rua address. p=quarantine means failing emails are sent to spam/junk. p=reject means failing emails are rejected outright — not delivered at all. Most organizations start at p=none, analyze reports for weeks, then graduate to p=quarantine and finally p=reject.

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What Is DMARC? How It Stops Email Spoofing
DMARC is the enforcement layer of email authentication. SPF and DKIM do the checking — DMARC tells receiving servers what to do when they fail, and reports back to you who's sending email using your domain.