There is an official xmame/xmess mail List. All operations related to this list are performed via email to xmame-request@acm.csres.utexas.edu with a proper keyword in the body. Currently recognized commands are:
subscribe - subscribe to the list
unsubscribe - unsubscribe from the list
If you want to send a personal mail to the xmame/xmess coordinator, send to the address below. Everyone that contributes to xmame/xmess should subscribe to the xmame/xmess mail list.
mailinglist: xmame@acm.csres.utexas.edu
xmame/xmess coordinator: hans@highrise.nl