Deliverability calculator
DMARC pass rate calculator
Calculate DMARC pass percentage from aggregate report totals.
Low DMARC pass rates usually show alignment or source-mapping gaps.
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Citations
- [Google sender guidelines for bulk email 2026](https://support.google.com/a/answer/81126?hl=en)
- [Suped DMARC success rate troubleshooting guide 2025](https://www.suped.com/learn/email-deliverability/why-is-my-dmarc-success-rate-suddenly-dropping-and-how-does-this-affect-spam-rates-and-blocklist)
- [M3AAWG Sender Best Common Practices v3 2015](https://www.m3aawg.org/sites/default/files/doc_files/M3AAWG_Senders_BCP_Ver3-2015-02.pdf)