You can access your e-mail account directly from Webmail.
1. Open http://example.com/webmail, replace "example.com" with your domain name.
2. Enter your full e-mail address and password then press "Login" button.
3. You will be redirected to a cPanel Webmail page. Click on the Webmail application of your choice "Horde", "Roundcube" or "SquirrelMail".
Once your Webmail application opens, you will be able to access you e-mail with full features.