They normally do not monitor the forum over weekends but I am sure Rob or Chris will get to this Monday.
My thought is that if this is a recurring event a simple way would be to make an entery in the Filter area that would identify the event and then deliver the email to the user and also forward it to the new destination. This ability is not in the users filter just in the main AMS filter.
I am having a hard time thinking of a situation where I would want/need to forward an existing email from a command line or using copy. If it is an existing text file you want to send there may be some linux type command line utilities for windows that would work. I found some of them here:
http://www.download.com/3120-20_4-0.html?qt=command%20line%20email