An easy way to access your webmail is by simply clicking on the webmail icon from your control panel, alternatively visit

www.yourdomain.ext/webmail

You can use either Horde or Squirrelmail - two fantastic ad-free webmail programs. Squirrelmail is simpler and cleaner than Horde however Horde has many more features. Your username is your e-mail address and your password is your e-mail password