1.    Click on Tools > Account Settings > Add Account
2. Select Email account
Click next
3. Enter in your name and the Email address you are trying to set up.
Click next
4. Select POP with incomming server of mail.domainname.com
Click next
5. Enter incomming username as the full email address (example- name@domain.com)
Click next
6. Give the account any name you want.
Click next