if you want to add an account to your outook, you first click on "file".
Click on "account settings"
Next click on "New".
Now click on "Manually configure server settings or additional server types" and click "Next".
Now select "Internet e-mail" and click "Next"
Fill out the form as displayed above. "yourdomain.com" is offcourse the domain name of your hosting. Now click on "More settings".
Click the tab "outgoing server".
Check the box "My outgoing server (SMTP) requires authentication", and click the tab "Advanced".
Set the port for outgoing email to 2025. This is required for most users, because the default port 25 is blocked by most ISPs. Now click "OK" and "Next".
Congratulations, you are now ready to start using your mail address.