Acknowledge the receipt of money by mail

Here's a sample acknowledgement letter:

[Your Name] [Your Address] [City, State, ZIP] [Email Address] [Date]

[Recipient's Name] [Recipient's Address] [City, State, ZIP]

Dear [Recipient's Name],

I am writing to acknowledge receipt of the [amount] dollars sent to me by mail on [date]. The check was received on [date] and has been deposited into my account.

Please be assured that I appreciate your trust in me and I will ensure that the funds are used for the intended purpose.

If you have any questions or concerns, please do not hesitate to contact me.

Thank you again for your trust and support.

Sincerely,

[Your Signature] [Your Name]

Note: You can modify this letter to fit your specific needs and circumstances. It's a good idea to keep a record of the receipt of the money, including the date it was received and the amount.