How to Add a Disclaimer to Calendar Meeting Notification for Outlook and Teams

Exchange transport rules are a powerful way to apply different conditions to messages as they pass through the transport service. In this case, we add a disclaimer to calendar meeting requests with a pretty simple rule that works on the basis that it detects a special x-header in meeting requests and applies the disclaimer when the x-header exists.

Marking External Email with an Exchange Transport Rule

Helping Exchange Protect Users from Bad Email Given the amount of spam floating around today, it comes as no surprise that many organizations deploy an Exchange transport rule to mark inbound external email with a suitable warning. This is a straightforward rule to configure and it can help stop users being fooled by bad messages …