You can access your webmail by going to http://www.yourdomain.com/webmail or by going into your control panel and clicking on WEBMAIL.
YourWebmail can also be accessed from the Client Area.
1. Click "My Hosting Packages"
2. Click "View Details" for the hosting account.
3. Click "Login to Login to Webmail"
We also have several videos on using the roundcube webmail client
Using the Roundcube webmail client
We also have several videos on using the horde webmail client