It would be great if a user on some machine could set the trigger to the acknowledge if the trigger was from that machine. That would be cool, because it wouldn't require any chnages in our structure, or aditional rules in firewall. If that user is testing some services, and he is starting and stoping it, he probably doesn't want that others get email notification. So if we would add remote command wall which would print message to all user which are logged on. The next step in trigger action would be email, with 60 seconds delay of remote command. In that case the user would be able to say ok, I know what I am doing, and he would set acknowledge. I think that would be a really really great and wonderfull feature.