Hello jkeagle,
you can actually use mail merge for that. Here are a few links to articles that describe the how. It's not trivial, but it can be done.
http://support.microsoft.com/?kbid=294686here's a tutorial
http://lounge.windowssecrets.com/index.php?showtopic=731107&hl=mail%20merge%20tutorial&st=0cheers, teylyn