Open Mail 
Allow "email" communications between players to be kept within the TeamXp where it can be measured and monitored.
Allow role-players to impersonate a persona and send from a fiction "email"  address
Key Features
All messages are bcc'd in real time to the facilitator dashboard
Can be turned on or off via the Design tool (default is off)

* If you want your players to be allowed to forward emails you need to "Allow them to compose emails" in the editor tool.