Registering Application in Azure Portal

To register an application in the Azure portal, do the following:

1. Log in to the Azure portal using an account that you want to use for sending email notifications. The account must have an active subscription.
2. Register an application. For more information on registering applications, see this Microsoft article.
3. Grant the application the Mail.Send permission for the Microsoft Graph API.
4. Add a new client secret. It is used to prove the application identity to the Microsoft identity platform.
5. Record the following data required for acquiring an access token:

• Directory (tenant) ID
• Application (client) ID
• Client secret