Locate the hosting account in your admin area and click on the cPanel icon to login cPanel
Scroll down in cPanel to the Email section and click on 'Email accounts' icon
Click on the 'create' button
Fill in the user's name (the part of email before @yourdomain.com), choose hard-to-guess password and click 'create' button
Your mail box is ready, you can access your mailbox to read email and send messages using webmail or after setup mail client like Outlook.