Outlook 2003 SP3

Hi,

I've made several custom task forms, so I understand how to access a new
form and how to design and publish it.

But what I don't understand is when you create a new e-mail, what form is
using? I would like to create a custom e-mail form. Is that possible?

Sorry if this seems like a dumb question - I feel dumb asking it!

Thanks,
Joel