The first step for troubleshooting email issues should be an attempt to send and receive email message directly from the server, via the webmail.
The following articles provide several options on how to access your Webmail:
If you are getting Timeout error and cannot access your webmail page, then, most likely, your IP address has been blocked in server firewall due to many failed login attempts.
Please do the following:
- Unban your IP address
- Reset your email password and try to access your Webmail again