You'll need to test the behavior with Domino at length to confirm this works. The BU only tested against Exchange and some of the configuration (e.g. distribution groups) is required because of the specific way that Exchange handles mail headers. They attempted to write this as "IMAP compatible" but I guess Cisco policy is they must test against a specific system so they picked Exchange.
Make sure you know what happens when you are in the To, Cc, or Bcc fields; what happens when an agent re-queues an email, etc. You won't get TAC support so I would approach this cautiously for production use.
As for the email buttons: The Email Ready/Not Ready state buttons should appear for an agent once they are skilled in an email-type CSQ. The Express Email interface is a java applet that should appear within CAD and contains all of the other control functionality.
PS- CCX 7.0(1)SR2 was retracted due to some critical bugs. I would recommend applying SR3!
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...