1. Launch your Windows Mail.
2. Go to 'Settings' then click 'Manage Accounts'.
3. Click 'Add Account'.
4. Select 'Other Account/IMAP'.
5. Enter your email address and passwords, click 'Sign In'.
6. Windows Mail will automatically intitiate connection and fail. Click 'Sign In' 3 times until Windows Mail ask for manual settings.
7. 
8. Add Username which is your email address.
9. Add Account name.
10. Add 'mail.domain.co.za' (replace domain with your domain name) for the Incoming & Outgoing Mail Server (SMTP).
11. Account Type select 'IMAP'.
12. Check 'Outgoing server requires authentication'. This is checked by defualt, do not change it and the rest of the settings.
13. Click 'Sign In'.
14. 
15. 
16. Email account added successfully in Windows Mail and is ready to use.
17.