How do i enable outgoing server authentication on Outlook 2010?

On all our servers authentication is required for all outgoing email to prevent spam. You will most likely be getting a 503 Relay not Allowed error if you have no enabled this.

To enable outgoing authentication in Outlook 2010 follow these steps:


  1. Open Microsoft 2010
  2. Click on File
  3. Click on Info
  4. Click on Account Settings
  5. Click the drop down button titled Account Settings
  6. Click on your email account
  7. Click on the change button
  8. Click on More Settings
  9. Select the outgoing server tab
  10. Select my outgoing server requires authentication
  11. Select log on using
  12. Enter your username and password for your email account
  13. Select remember password
  14. Click ok
  15. Click next
  16. Click finish

You should now be able to send emails
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