Create dynamic PDF's on the fly and automatically send them as attachments.
There are a bunch of people out there that claim to have this elusive process figured out, or to have a wonder-tag that does it all for you. Well, I tried a lot of them, and the results were always less than desirable, if you want to call them results. However, through this trial and error, I was able to take the good points of some of these failed attempts, and piece them together into a working solution.
Right off the bat, this is a solution for those of you who have the ability to install software on your own hosting server or, those of you who can convince your web host to install a little harmless application for you.