Nov 7, 2024 · Administrators who want to limit app access to specific mailboxes can create an application access policy by using the New-ApplicationAccessPolicy PowerShell cmdlet. This article covers the basic steps to configure access control.

Dec 25, 2024 · This tutorial will demonstrate how to use the Managed Identity of a Web App to interact with the Graph API and manage the mailbox of a "specific user" using Application permission authorization.

Feb 27, 2024 · Service Account to retrieve messages and attachments from a specific Microsoft 365 mailbox using an API (Microsoft Graph) would be a safe way to say. let’s see how to do it. Login to https://aad.portal.azure.com/ Azure Active Directory – App Registrations – New Registration. readattachments app – register the application.

Oct 27, 2023 · On the Graph API side, make sure the Mail.Read.Shared scope has been granted. Then, use a request such as: If you want to access a shared mailbox, you can use the Mail.Read.Shared or Mail.ReadWrite.Shared permissions. These permissions only work for delegated permissions.

Apr 3, 2022 · First, the full_acces_as_app application permission is only available in the EWS api, please note that this is not the Graph api. It supports full access to all mailboxes via the EWS api in unattended scenarios.

Sep 6, 2021 · To restrict the App Registration to only be able to send as specific mailboxes, you need to add an Application Access Policy in Exchange Online. Here's my steps to set up the App Registration to suit the application and limit its access to the specific mailbox(es):

Feb 28, 2020 · Based on this announcement, Application Access Policies can now be used in conjunction with EWS API OAuth based application access. Using an application access policy, EWS administrators can now limit an app’s access to a specific set of mailboxes by specifying an inclusion or exclusion list.

Jul 13, 2021 · I need to read mail off a shared mailbox in a Web API. The Web API will not be running on behalf of an user and there is no user interaction. What is the flow I should use to authenticate https://learn.microsoft.com/en-us/azure/active-directory/develop/msal-authentication-flows.

Dec 13, 2024 · Use Microsoft Graph for other mailbox-related functionality like mail reading or sending, and then leverage PowerShell for permission management tasks. If you prefer automation, you could script this hybrid approach using Azure Automation or Logic Apps to orchestrate between Graph and PowerShell.

Nov 24, 2023 · After you need to get the access token, you can use it to make requests to the Microsoft Graph API to access the shared inbox. You will need to specify the shared mailbox address in the URL, for example: https://graph.microsoft.com/v1.0/users/{sharedmailboxmailaddress}/messages.