You can see what information your IronPort appliance reports on by reading Chapter 6 of the AsyncOS 6.1 Basic User Guide, specifically the section on "Using Email Security Monitor Pages."
You can access the documentation by going to the Support Portal, logging in, then choosing Appliance Documentation > Email.
In looking at the Email Security Monitor pages I don't know that we exactly have a report that matches the MFC report that you reference, but perhaps one of those reports will give you similar information.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...