Start by login to your website hosting server’s control panel.
After that click on Email Accounts.
Then on the create mail account webpage that opens, type your email address and the password on the blank fields provided. Remember to retype your password in the confirm password box.
After you are done, click save/create button and your email address associated with your domain is created.
To access your domain email, you can go back to your hosting server's control panel and click Webmail. Other way to access your domain email is to type your domain in your browser followed by "/webmail". For example: http://yourdomain.com/webmail. Enter your username (email address) and the password you created.
After that, click on "Go to Webmail Login" and then you can choose SquirrelMail option on the next page. You have three different online program in Cpanel you can use to be in your webmail, they all are pretty basic but you can try SquirrelMail for this tutorial. After clicking the icon, it will bring you to your inbox page and you can start using your new email account.
How to Forward Your Mails from Domain Email to Another Email Account
On your Cpanel main page, scroll down and under "Mail" click "Forwarders" and then you gonna click "Add Forwarder". Now enter the email address you have just created then enter also the email address where you want it to be forwarded. After that click "Add Forwarder" and you are done.