On box - no easy way that I can think of other than what you've mentioned. You could however accomplish this (as well as any other custom reports you would want to create) with SawMill (https://www.sawmill.net). This used to be used heavily back wh...
Also, you need to make sure that whatever domain the IronPort is accepting mail for, is entered in the receipient access table. Mail Policies Tab - Recipient Access Table. If the domain is not in the RAT, the default action will be to reject the ema...
Are you trying to relay through the appliance, or just email the appliance?If trying to relay through the appliance, make sure the IP address of your exchange server is added to the RELAYLIST under the HAT (host access table) located under Mail Polic...