CPanel: How do I access my email on a web browser?

How do I check my e-mail through a web browser (webmail)?

Cpanel: If your domain name is already propagated, for cpanel free email: yourdomainname.com/webmail 

User Name: the full email address (myemail@domain.com).
Password: the password for the email account.

Cpanel Webmail

In the page that loads next, enter one of the following URLs for the program you want to be able to access.

RoundCube, SquirrelMail or Horde