test-result.json

{
  "address": "メール@qgustavor.tk",
  "username": "メール",
  "domain": "qgustavor.tk",
  "hostExists": true,
  "deliverable": false,
  "fullInbox": false,
  "catchAll": false,
  "disposable": false,
  "gravatar": false,
  "error": "Blocked by mail server",
  "errorDetails":"421 4.7.0 [54.82.112.151] Our system has detected an unusual amount of\n4.7.0 unsolicited mail originating from your IP address. To protect our\n4.7.0 users from spam, mail sent from your IP address has been temporarily\n4.7.0 blocked. Please visit\n4.7.0  https://support.google.com/mail/answer/81126 to review our Bulk Email\n4.7.0 Senders Guidelines. 74si500133ioq.11 - gsmtp"
}