Restore sending after a deliverability check, a declined request, or an info request.
You got Additional verification required, Verification declined, or More info needed for verification. Sending is restricted until verification is completed or updated.
A complaint or a bad sender-health window triggered a defensive review.
The notification already includes the question.
Reply to the email we sent, or write [email protected], with the extra evidence they asked for (site, opt-in proof, list source). There is no self-serve “approve” button.
If you were never verified, verifying a custom sending domain unlocks automatically (3,000/month). See Account Verification.