SMTP settings for website differs to that of what you would use in Outlook for your personal user email accounts. (For instructions on how to setup email programs for personal user email accounts refer to KB How to set up Email programs)
Websites that send out email (ie. contact us page, new order notifications, etc.) should use:
SMTP server: localhost
Port: 25
Authentication: none (or anonymous)
Supported components for Windows hosting plan: CDONTS, CDOSYS, AspEmail
Supported components for Linux hosting plan: PHP mail
