Use this extension to send email from your pipeline without a SMTP server. It uses the Microsoft Graph API to send email.
Requirements
To use the extension you need an active business Office 365 license that includes the use of Exchange Online. Exchange online must be configured. Email that are sent are added to the send email folder from the configured mailbox.
Create Azure Enterprise Application
Given the rapid pace in which the Azure Portal changes use these steps as guidelines and not as exact steps.
Create the App and get the Client ID
Go to azure.portal.com and login with an administrative account
Go to Azure Active Directory -> App Registrations -> All Applications
Start a new Application Registration
Name: e.g. AzureDevOpsGraphEmail
Supported account types: Accounts in this organizational directory only
Redirect URI: Web
Click Create and note the Application ID. This is the Client ID
Get the Client Secret
Click Certificates & Secrets -> New client Secret
Description: e.g. AzureDevOpsGraphEmail
Expires: Never
Note the secret passphrase. This is the Client Secret
Assign Permissions to the App
Go to API Permissions
Add a Permission -> Microsoft Graph
Application Permissions
Mail.Send (Send mail as any user) -> Add Permission
Delete the default assigned permission for Windows Azure Active Directory
Click Grant admin consent for
Get the Tenant Domain
Now go to Azure Active Directory -> Custom Domain Names
Check the domain which is primary. This is the Tenant Domain
From email
The email address you're sending from must exist, and it can be a shared mailbox.