Disabling SMTP Authentication for Macintosh Mail version 2.x (OS 10.4)

1. Open Mac Mail 2.x
2. Click on the Mail menu
3. Click on Preferences.
4. Make sure Accounts is selected.
5. Click on the name of your account under the Accounts column.

   

6. Click on the Server Settings button under the Outgoing Mail Server (SMTP) section
7. Click on the drop-down for Authentication and select None.
8. Click OK
9. Close the Accounts window by clicking on the red X.
10. Press Save in the Save Changes screen.