1. Use an e-newsletter creation service. This allows you to easily have members subscribe themselves, and the software has custom templates and great features that will help you track how well your messages are read. I'm partial to the service we use, GetResponse, but others I have used and can recommend are Constant Contact  and iContact . Monthly fees vary based on the size of your list and/or how many messages you send out.
2. Begin publicity ASAP, letting people know where or how to sign up. (You may wish to add the signup form to your church website.)
3. Decide on the sections of your daily email. I generally include the following:
   * Today's Lectionary Text
   * Reflection for Today
   * Action for Today
   * Image of the Day
   * Recommended links & resources
   * Upcoming church activities
   * Closing thought, quote, or prayer
   Note: I do not necessarily include or change some categories on a daily basis, especially the links/resources. Here are two actual sample emails I once created, one for Advent, and one for Lent. (Note: these are PDFs and thus would look somewhat different in an email browser.)
4. Begin gathering resources. Write your own material, pull short quotes from resources (being sure to attribute them), or have members of the congregation submit ideas and reflections. This is your opportunity to introduce your subscribers to some great books, progressive ideas, and new ways to grow in their expressions of faith.
5. Try to create your first several emails a week or more in advance. That way, you'll have plenty of time for testing (be sure to view the messages in more than one email client) and you won't feel as stressed during your busiest work days.
6. Add graphics and clipart. Use a site like fotalia.com to get images you can legally use, or purchase this CD , which has truly wonderful black and white images for Lent and Easter. 
7. Launch your email and see what the response is. Adjust your email based on the feedback you get.
8. Post your additional suggestions - or your questions about doing daily emails - on our blog.

~ Tim Gossett