Domain administrators have full visibility to the message statistics for their services. 

The following statistics are available:

Email Gateway / MX Backup / Email Forwarding

You can access the logs in the User Portal https://portal.duocircle.com

Under each configured email service you will be able to click on the View Message Log button. 

Once you are viewing the logs, there is a statistics button on the navigation bar. 

And then you will have access to the graphs and statistics about your mail delivery.