Overview

The following support article demonstrates how to enable mail authentication within Microsoft Outlook 2010 and 2013. If your outgoing mail (SMTP) settings are changed to the same as the incoming mail settings, this will need to be updated. 

Instructions

  1. Within the menu bar in Outlook, click on “File”, then “Info” and the “Account Settings”.
    Email authentication
  2. From the dialogue box “Account Settings”. Double click on the email account 
    where the settings are to be updated:
    Email authentication
  3. From within “Change E-mail Account” click on “More Settings”.
    Email authentication
  4. From the dialogue box “Internet E-mail Settings” click on the “Outgoing Server” tab. Then tick the box “My outgoing server (SMTP) requires authentication”. Then select “Use same settings as my incoming mail server”.
    Email authentication
  5. Next Click on the “Advanced” tab and set Outgoing Server (SMTP) to “587” and Encrypted connection to “Auto” > Click “Ok”
  6. This will take you back to the “Change Account” Screen. From here, ensure that “Test Account Settings by clicking the Next button” box is ticked. Then click “Next”.
    Enabling Authentication in Outlook
  7. When you click “Next” Outlook will preform a test to check the account settings. It will preform both an incoming and outgoing mail settings test. Once both test have a status of “Completed”, click “Close”. If one of these tests fail you will need to check the changes have done correctly.
    Enabling Authentication in Outlook

    When testing using port “587” for Outgoing mail server setting you will be prompted with a “Internet Security Warning” as per below.
    You must Click “Yes” to continue otherwise the “Send test e-mail message” will fail.

  8. Outlook will display a “Congratulations!” page to indicate that the account setup has been completed.  Click “Finish”. You will now return the main Outlook screen. 
    Enabling Authentication in Outlook

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