Finding the route…
Finding the route…
Early mistakes land in reports or spam; only the last step refuses. Each stamp is the real check, as if the steps above were published.
Read live from its published records. DMARC policy: quarantine.
Forged mail is refused, for your address and made-up subdomains.
Run quarantine until reports and spam stay quiet. Refused mail cannot be rescued.
With the last step published, forged mail in tsinghua.edu.cn’s name is refused.
Each reading is the real check on these records plus the steps before it. Nothing is published. A policy is a request receivers apply as they choose. No record stops an approved service sending as you, or a lookalike domain.