Writing a terrific fundraising letter is a waste of time if your donor throws your entire package in the trash unopened. And that happens more often than any of us dare to think about. That's why your envelope is so crucial to your success.
Your envelope serves two functions and two alone. It must:
Getting your appeal into the hands of your donor is not hard if you mail to a good list, either your own house list or a rented list of quality prospects. But persuading your donors to actually open your envelope and read your appeal