Take advantage of advanced word processing functions such as color and graphics. Make sure someone in your office has some basic desktop publishing training. Get your targets to open the envelope. This is your biggest challenge. Check your own mail opening habits.
Labels work well with postcards, but they are too impersonal for letters.
Use an addressing method that seems more personal. Keep sentences short, simple and clear. Target your mailings. For an effective mailing, prequalify your target audience. Make sure your database searches are specific.