#Zombiewood app most mailboxes how to

What follows here is a write-up on how to create everything from scratch, but you can of course upgrade existing applications. Doing so is described in detail on Limiting application permissions to specific Exchange Online mailboxes. Even better is that you do not have to implement custom logic in code except perhaps the handling of not being able to access data.Īs an IT-administrator you can configure the ApplicationAccessPolicy for your tenant and applications yourself. You can scope down access to one or multiple mailboxes making sure your application cannot access other mailboxes. However, using an ApplicationAccessPolicy you can scope it down to specific mailboxes. With your application Azure AD application registration in place and permissions handed out the default allows you to send e-mails as anyone. Limit the application to a specific (shared) mailbox

Luckily you can scope that down and select specific e-mail addresses. This will result in adding the Mail.Send or Mail.Read permissions, but since it you require application permissions that would result in your application to be able to send e-mail’s for any e-mail address in your environment. Let’s say you want to have a daemon application that sends a status update through e-mail. Working with the Application Permissions you can scope most of the things you want to achieve, but there are a few exceptions. The requirements to limit what your app can do. But there is this one thing I always encounter when deploying to a customer. Mostly using the Microsoft Graph to do stuff with my Microsoft 365 environment. As you might imagine I have been building a lot of apps over the years.

Zombiewood app most mailboxes