Find it in the Microsoft Portals

Microsoft Entra -> Identity -> General

What does it do?

This setting allows users to send emails from their alias addresses, offering flexibility in managing different roles or departments.

By default, Office 365 ignores changes to the “From” address, and emails are sent from the primary user account.

Applies To

Tenant Wide

This Default Configuration applies at the tenant level only.

Recommended Configuration

Enabled

Enabling this feature to provide users with more control and flexibility when sending emails from different addresses, enhancing organizational efficiency.

User Impact

None

There is no impact to users.