cPanel is a web-based program or application that is used to control the settings of your website and can be accessed via It is widely used throughout most web hosts and is almost always installed for you as part of your new account signup.
cPanel has an easy to use icon-based interface where you are able to add, edit and remove email accounts (depending on the limitations of your hosting package), setup email forwarders and auto-replies, modify files directly, manage your databases, setup CRONs and much more.
The features on cpPanel are usually limited by the package you have opted for and the limitations of the web host you chose. You will usually find that web hosts will limit the amount of email addresses you are able to have setup, for example, and this number if reflected in the cPanel of your site.
