Acknowledgement mail to manager

Here is an example of an acknowledgement mail to a manager:

Subject: Acknowledgement of [Project/Task/Request]

Dear [Manager's Name],

I am writing to acknowledge receipt of [Project/Task/Request] that you assigned to me on [Date]. I appreciate the trust you have placed in me to complete this task and I am committed to delivering high-quality results.

I have reviewed the requirements and objectives of the project/task and I am confident that I understand what is expected of me. I will ensure that I complete the task within the specified timeframe and to the best of my abilities.

If I have any questions or concerns, I will reach out to you promptly. I will also keep you updated on my progress and notify you of any changes or issues that may arise during the course of the project.

Thank you again for entrusting me with this responsibility. I am excited to get started and look forward to delivering a successful outcome.

Best regards,

[Your Name]

This is just an example, you can modify it according to your needs and the specific project/task you are acknowledging.