Please following below procedures kindly.
1. Please verify registered email account and ensure it is correct.
2. Please check spam folder in email system to search the email.
3. Whitelist XCOEX email in your email server Please add below accounts into your whitelist: noreply@xcoex.com support@xcoex.com
4. Ensure that email client works normally.
5. It is recommended to use Gmail or Outlook