{"outbound_id":1,"envelope_from":"test@yourdomain.com","envelope_rcpt":"anjiangmailgod99@docomo.ne.jp","subject":"Test Email","body_text":"Hello this is test","body_html":"<b>Hello this is test</b>","batch_id":"test123","master_result_url":"http://YOUR_SERVER/result","child_id":1,"helo_hostname":"mail.yourdomain.com","queued_at":"2026-04-22 20:25:20"}