How Do I Enable SMTP Authentication in Outlook Express
- Open Outlook Express
- Click on Tools
- Click on Accounts
- Click on Mail Tab
- Select Mail Account and Click Properties
- Click on the Servers Tab
- Place a checkmark in the box labeled My Outgoing Server Requires Authentication
- Click on Settings
- Be sure to select Use Same Settings As My Incoming Mail Server
- Click Ok
- Click Apply
- Click Ok
- Click Close