Begin with a professional letterhead or logo. Thank you for sending me the (invoice, report, etc.).I can acknowledge that I have received it. Explore the importance of acknowledgment letters in professional communication. Use our free template to acknowledge the receipt of emails, calls, or letters. What do you need to include in your donation acknowledgment letter? 0. Writing evaluation letters or serving as a reference is part of my job, and sending gifts or material "thank yous" reduces my appearance of impartiality. This form will help you create a letter to send to your landlord. When you donate goods to The Salvation Army, all donation proceeds are used to fund our Adult Rehabilitation Centers. Click here to learn more!