1. Open Mozilla Thunderbird
2. Go to Tools > Account Settings
3. Click "Create a new account"
4. Select "Skip this and use my existing email"
5. Enter your Name, full Email Address and password, click "Continue".
6. On the Configure email settings account screen, select configure manual
7. Select the type of incoming server: POP3
Enter the incoming and outgoing server name: email. (Enter your domain name) with Port number 110.
8. User name must be a full email address such as username@yourdomain.com
9. Click "Re-test" configuration and Click "Done".
10. Go back to your Thunderbird main menu and go to Outgoing Server and confirm your Outgoing server SMTP.
11. Check the "Use name and password" box and enter your email account as User Name and select "No" for connection security.
12. You can start using Thunderbird by left-clicking the "Get Mail" top button.