The following are the steps to get authorization token. To get the token we’ll use Microsoft Authentication Library (MSAL) for. Use modern authentication with EwsClientĪfter registering the application, we can focus on writing the code, which will consist of the following parts: To register your app, refer to the Microsoft Documentation Article. The registration procedure depends on the type of permission selected. In addition, refer to the Microsoft Documentation Article for more information. Only an administrator can consent to application permissions. For instance, these are apps that run as background services or daemons. Apps that use Application permissions run without a signed-in user present.App can never have more privileges than a signed-in user. In other words, when you connect to the service, a dialog window appears for a username and a password. Apps that use Delegated permissions have a signed-in user present.
Choose a specific type of permission, depending on the app you are creating: There are two types of permissions that can be used to access mailboxes with your app. It is necessary to perform app registration with Azure Active Directory. App registration with Azure Active Directory You can enable Basic Auth support for tenant from the Azure portal, go Azure Active Directory > Properties > Manage Security defaults > Enable Security defaults > No.įor more information, see the Microsoft Documentation Article. You must turn off security defaults in the Azure portal before you can change any settings here. Your organization has security defaults enabled, which means modern authentication to Exchange Online is required, and basic authentication connections are blocked. Therefore, the text will be displayed in this section. In the Modern authentication flyout that appears, you can identify the protocols that no longer require Basic authentication.įor new Microsoft365 tenants in Azure, Basic Authentication is disabled by default for all applications. In the Microsoft 365 admin center, go Settings > Org Settings > Modern Authentication. However, for tenants created before August 1, 2017, modern authentication is turned off by default. To use Modern Authentication, make sure that it is enabled. It uses time-limited tokens, and applications don’t store user credentials. Modern Authentication is based on Active Directory Authentication Library and OAuth 2.0.
Modern Authentication is now enabled by default for all new Microsoft 365/Azure tenants because this protocol is more secure than the deprecated Basic Authentication. Adding code to get an authentication token from a token server.Use the Microsoft 365 admin center to enable or disable IMAP, POP, SMTP AUTH on specific mailboxes.Use Modern Authentication with IMAP, POP or SMTP Clients.Use modern authentication with EwsClient.App registration with Azure Active Directory.
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