1. First of all launch MS Outlook 2010 application from the start button.
2. Navigate to File > Info category, here from the Account Settings option, click the drop down button and choose Add Account button.
3. Select "Manually configure server settings or additional server types"
4. Fill-in the blank with the following info (replace with your email ID).
Your Name
The name that appears on the messages you send. E-mail address
YourInternetID@yourdomainname (i.e. sales@firstonline.net) Account Type
POP3 Incoming mail server
mail.yourdomainname (i.e. mail.firstonline.net) User Name
Full Email Address (i.e. sales@firstonline.net) Password
your email password
5. Click at "More Settings" and check this box "My Outgoing server (SMTP) requires authentication"
Then click at "Advanced" to configure Incoming & Outgoing Server.