Follow these steps to create a no-reply email address in Exchange Server/Microsoft 365: Log into the Microsoft 365 Admin Center with your administrator account. Click on the navigation menu and ...

If your business or organization uses Microsoft's Exchange Online to handle your mass email messages ... along with the other Office 2016 and 2019 apps, on October 14, 2025.

Microsoft says outdated Exchange servers cannot receive new emergency mitigation definitions because an Office Configuration Service certificate type is being deprecated. Emergency mitigations ...