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External report destination has not authorised you

CODE RED

DMARC · Critical · costs 40 points · RFC 9990 section 4

What it means

Reports for example.com are addressed to example.net, a different domain. Receivers only send them if example.net publishes permission, and it does not, so those reports are being dropped by every receiver, silently.

How to fix it

Ask example.net to publish a TXT record at example.com._report._dmarc.example.net containing v=DMARC1

Check your own domain

This page describes the condition. To find out whether your domain has it, run the DMARC test or the full checkup, which examines every record at once.

Understand it properly

This page covers one condition. For the whole picture, The DMARC guide, from a first record to enforcement, or start at the Health Library.

Where this comes from

We judge this against RFC 9990 section 4. Every finding on this site cites the specification behind it so you can check the work rather than take our word for it.

Other DMARC conditions

DMARC_EDV_MISSING

Every fix on this site is yours to implement. If you would rather someone did it, I take this work directly.