How do I enable SMTP authentication in Outlook? Print

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Our servers require that outgoing mail be authenticated. To do this, the box "My outgoing server (SMTP) requires authentication" must be checked in Outlook.

Unfortunately, it happens that Outlook "forgets" this information, so you have to reactivate it:

In Outlook 2010 and 2013:

1) Click on "File" in the top left ribbon
2) Select "Account Settings" (2x)
3) Select the account you want and click on the "Edit" button
4) In the settings window, click on the "Additional Settings..." button
5) Display the "Outgoing server" tab.
6) Check the option "My outgoing server (SMTP) requires authentication".

In Outlook 2007:

1) In the "Tools" menu, select "Account Settings".
2) Select the account you are interested in and click on the "Edit" button
3) In the settings window, click on the "Additional settings..." button
4) Display the "Outgoing server" tab.
5) Check the option "My outgoing server (SMTP) requires authentication".

 

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