📧 Email Existence Check
Check if a mailbox exists via MX and SMTP without sending an email
⚠️ Important limitation
Large mail servers (Gmail, Mail.ru, Outlook, Yahoo) block SMTP verification. The result for such addresses will be "inconclusive". The check only works on open mail servers.
Large mail servers (Gmail, Mail.ru, Outlook, Yahoo) block SMTP verification. The result for such addresses will be "inconclusive". The check only works on open mail servers.
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Enter email — we'll check domain MX record and SMTP server response
No email is sent