The perfect donor thank-you email is an art form. You want to sincerely thank the donor, justify their contribution, acknowledge the gift for tax purposes, and establish or continue a long-term relationship. Oh, and you want to do everything succinctly without sacrificing either brevity or content.

Thank-yous are vital to nonprofit marketing. A generic form letter doesn't get the job done.

But there are guidelines you can follow to craft a powerful thank-you message for different occasions and types of donations.