Software affected: SmarterMail V4.x
Description: Recommended SPAM Settings for SmarterMail 4.x

Resolution:
We recommend the following settings for SmarterMail 4.x. Go to Security > Anti-Spam Administration > Spam Checks tab. We also recommend that when assigning weights to the various SPAM Checks that you use increments of 10.

The reason for this error is that your email server requires SMTP Authentication to send outgoing mail. In order to resolve this issue you will need to configure your email client such as Outlook, Outlook Express, Eudora, or Thunderbird so, that you are an authenticated user.

For Outlook do the following:

1. Click on the Tools menu
2. Click on Email Accounts
3. Click View or change existing e-mail accounts then click Next
4. Highlight an email account and click Change
5. Click More Settings
6. Click Outgoing Server tab
7. Check the My outgoing server (SMTP) requires authentication
8. Make sure that Use same setting as my incoming mail server is selected
9. Click OK
10. Click Next
11. Click Finish and your done