Update mailroom/postfix documentation [ci skip]
I worked with a customer to troubleshoot some strange Postfix and Mailroom issues. These doc updates aim to help other users avoid the same confusion.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
I worked with a customer to troubleshoot some strange Postfix and Mailroom issues. These doc updates aim to help other users avoid the same confusion.