You published a DMARC record months ago. Every checker says it's valid. No reports have ever arrived, and at some point you stopped thinking about it and quietly concluded nobody's forging your domain.
You don't know that. You just can't see.
Two causes account for almost all of it, and both leave the DMARC record itself looking perfect.
1. Your reporting address never agreed to receive them
This is in the spec and almost nobody knows about it.







