May 24, 2023
175
Open Outlook and click on the Mimecast tab in the ribbon.
Click on Managed Senders
Under Managed Senders click on Permitted
Click on Add Permitted
Enter the email address or domain to be permitted and click add.
If you have more that one address that you would like to add, enter it and click add again. Click Permit when finished
The email(s) or domain(s) you added will now be listed. Close the window.