How to send test email without a verified sending domain

Use the HTTP send endpoint. There is no domain to verify and no DNS records to add.

Run it

curl -s -X POST https://api.model.tools/v1/send -H 'Content-Type: application/json' -d '{"to":"u@example.com","subject":"s","body":"b"}'

Response

{"ok":true,"status":"delivered","delivery":"outbound_relay","relay_provider":"agent-relay-v1"}