How to Move DMARC to p=reject safely

Here is how to move DMARC to p=reject safely, step by step.

The steps

Start at p=none, monitor rua reports until every legitimate source aligns, move to quarantine, then reject — never jump straight to reject.

Why it matters

Getting this right is part of landing in the inbox instead of spam. See the full deliverability checklist.

How Rainmail helps

Rainmail sends from your own domain on a dedicated, isolated IP with SPF, DKIM, DMARC, reverse-DNS and managed warm-up handled for you, plus an AI that watches your list health and deliverability — and it welcomes the senders Amazon SES, SendGrid and Mailchimp reject, from $8. Run the free 10-second checker or see plans.