Set up Outlook 2010 to retrieve and send email from our mail servers ( replace "Domain.com" with your actual domain name ).
 
Open Outlook Express

Click the " File " tab, then select " Account Settings " This will bring up the Account Settings Window.
On the " E-mail " tab, select " New " This will open up a wizard.
In the " Choose Service " window, select " E-mail Account " and click " Next "
In the " Auto Account Setup " window, select " Manually configure server settings or additional server types " and click " Next "
In the " Choose Service " window, select " Internet E-mail " and click " Next "
In the " Add New Account " window, populate the fields with the information found in Control Panel Site Tools > Email
 
User Information

Email Id Name  : The name you want to appear in outgoing emails (e.g., Anil Smith)
E-mail Address : The email address you want to appear in outgoing email (e.g., user@Domain.com)
 
Server Information

Account Type : Select " POP3 " for Account Type
Incoming mail server (POP3): mail.Domain.com
Outgoing mail server (SMTP): mail.Domain.com
 
Logon Information

User Name : The user's full email address ( e.g. username@Domain.com )
Password : The user's email account password.
Make sure "Remember Password" is checked.
Click the " More Settings " button.
Click the " Outgoing Server " tab.
Make sure " My outgoing server (SMTP) requires authentication " is checked and " Use same settings as my incoming server " is selected.
Click " Next " Outlook will perform some tests to make sure the settings are working correctly. Close the " Test Account Settings " window when it's done.
Click " Finish " to end the wizard.