Begin with a professional letterhead or logo. An effective donor stewardship program acknowledges a gift in writing in a timely, accurate, and gracious manner.Every gift to UC San Diego is acknowledged. When writing an acknowledgment email reply, there are a few things to keep in mind. I am writing to acknowledge receipt of your invitation and express my appreciation. I will confirm my attendance as soon as possible. If you return this form to the sender, service of a summons is deemed complete on the day you sign the acknowledgment of receipt below. Thank you for taking the time to consider my request. In this article, we explain why a thank you letter is important and provide examples and a template to assist you in creating your own. Request acknowledgement of receipt in the original communication when it is required.