Start Outlook Express and select the Tools menu.
From here select ‘Accounts’
Then click ‘Next’.
For the incoming server you should enter mail.’yourdomain.com’ – substituting your own domain name for yourdomain.com.
For the outgoing mail server you should enter mail.’yourdomain.com’ as before.
Then click Next.
You can view your username and password in Control Panel.
Once entered please click Next and then Finish.
You need to click the tick-box that says ‘My server requires authentication’ or ‘This server requires me to log on’ and then click ‘OK’ and ‘Close’: