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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / How to setup SMTP for ...
Small and medium business | Business Central, N...
Suggested Answer

How to setup SMTP for gmail account at business central with Oauth 2.0

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Posted on by FT-19110713-0 20
Hello,
   I need to setup SMTP at business center which is gmail id.
Also need to use Oauth 2.0. 
SMTP as gmail works fine with Basic Authentication by enabling 2 step Authentication and App password at Google. But as Google suggest to use OAuth 2.0 as more Secure Option, need to use Authentication as Oauth.
What all steps are required at Google Console and at Business central ?
 
Thanks
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Dynamics 365 Business Central
I have the same question (0)
  • Jainam M. Kothari Profile Picture
    Jainam M. Kothari 15,732 Super User 2026 Season 1 on at
    Hello,
     
    To use Gmail SMTP with OAuth 2.0 in Business Central, you must first create a Google Cloud project, enable the Gmail API, configure an OAuth consent screen, and generate OAuth credentials (Client ID and Secret) with the correct redirect URI for Business Central.
     
    Then, in Business Central’s SMTP Mail Setup, select OAuth 2.0, enter the Client ID, Secret, authorization and token endpoints, and add the Gmail scope (https://mail.google.com/).
     
    Finally, authorize the connection through the OAuth flow and test sending emails. This approach replaces app passwords with a more secure token-based authentication.
  • Suggested answer
    OussamaSabbouh Profile Picture
    OussamaSabbouh 12,803 Super User 2026 Season 1 on at
    Hello,
     
    Business Central does not support Gmail OAuth 2.0 for SMTP.
    OAuth is only supported for Microsoft 365 (Exchange Online) mailboxes.
    So with Gmail, the only working method is still:
     
    Enable 2-Step Verification in Google
     
    Create an App Password
     
    Use SMTP with Basic Authentication in Business Central
     
     
    Google OAuth cannot be configured because BC cannot connect to Google’s OAuth endpoints.
     
    Regards,
    Oussama Sabbouh
  • FT-19110713-0 Profile Picture
    FT-19110713-0 20 on at
    One good documentation where steps at Google Development console as well as at Azure Entra id is given :

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