Microsoft Office Outlook 2007 Settings
Open Outlook and click on Tools > Account Settings.
Choose New in the wizard.
Check the checkbox "Manually configure server settings..." (no need to enter information in this window). Then click Next.
Verify that radio button for Internet E-mail is chosen. Then click Next.
Enter your name, e-mail address, server information, and logon information following the example shown below.
Select IMAP for the Account Type from the dropdown menu. In both Incoming and Outgoing boxes, type in "mail.yourdomainname.com" Replace "yourdomainname" with the name you registered (e.g.: mail.brownrice.com). Enter your full email address into the account name box. Then type in your password and make sure the Remember password box is checked. Also make sure the Log on using Secure Password Authentication (SPA) box in unchecked.
Click More Settings.
Click on the Outgoing Server tab. Check the checkbox "My outgoing server (SMTP) requires authentication". Verify that the radio button for "Use same settings as my incoming mail server" is chosen.
Click on the Advanced tab. Change the Outgoing server (SMTP) to 587 from 25. Click OK.