{
  "id": 7748,
  "from_address": "probe@local.test",
  "to_address": "test@email.luolin.link",
  "subject": "SMTP-PRINTF-TEST-1777019900",
  "content": "hello\r\n",
  "text_content": "hello\r\n",
  "html_content": "",
  "received_at": "2026-04-24 08:38:20",
  "snippet": "hello"
}