This document provides guidance on writing effective fundraising messages through letters and e-mails. It recommends using a six-part structure that includes a teaser intro, emotional description of the need, organization as a solution, donation request, reiteration of opening scenario, and a concluding P.S. It also notes that the message should deliver emotional and benefits-driven content while showing recipients how they can make a difference. The keys to success are creating an impactful message and demonstrating how a donation will be used to solve the issue.