Assert acknowledgement mail

Here is an example of an acknowledgement email:

Subject: Acknowledgement of [Topic/Request]

Dear [Recipient's Name],

I am writing to acknowledge receipt of your [email/letter/phone call] regarding [topic/request]. I appreciate the time you took to reach out to us and bring this matter to our attention.

We are currently reviewing your [request/inquiry] and will respond to you as soon as possible. If we require any additional information or clarification, we will be in touch with you shortly.

Thank you for your patience and understanding. Please feel free to contact us if you have any further questions or concerns.

Best regards,

[Your Name] [Your Title] [Your Company/Organization] [Contact Information]

This is a basic template, and you can customize it according to your needs and the specific situation. The key elements to include are:

Remember to keep the tone professional and polite, and to proofread your email carefully before sending it.