1. Navigate to https://admin.exchange.microsoft.com/#/homepage
2. Click the Mail flow drop-down option

3. Click Rules

4. Click on the "CrosswareTransportRule"

5. Disable the rule by clicking this button


1. Navigate to https://admin.exchange.microsoft.com/#/homepage
2. Click the Mail flow drop-down option

3. Click Rules

4. Click on the "CrosswareTransportRule"

5. Disable the rule by clicking this button
