• Accepted Email: Email is deliverable


  • Invalid Email: Specified email is not a valid email address syntax
  • Invalid Domain: Domain for email does not exist
  • Rejected Email: Email address was rejected by the SMTP server, email address does not exist
  • Invalid SMTP: SMTP server returned an unexpected/invalid response


  • Low Quality: Email address has quality issues that may make it a risky or low-value address
  • Low Deliverability: Email address appears to be deliverable, but deliverability cannot be guaranteed


  • No Connect: Could not connect to SMTP server
  • Timeout: SMTP session timed out or DNS query timed out
  • Unavailable SMTP: SMTP server was unavailable to process our request
  • Unexpected Error: An unexpected error occurred

Did this answer your question?