Email Security for Windows Mail
1. Open Windows Mail and go to Tools -> Accounts.

2. Select the mail account you'll be working with by clicking on it, then click the Properties button.

3. Click the Servers tab, verify your FULL email address is entered into the "E-mail username" field.

4. Check the "My server requires authentication" box and click Settings to the right.

5. Select "Use same setting as my incoming email server" and click Ok.

6. Click OK then click Close