Duly noted on this email

A classic phrase!

"Duly noted" is a polite way of acknowledging receipt and understanding of an email or message. It's often used to show that you've read and considered the contents of the email, without necessarily committing to take action or respond further.

Here's an example of how you might use it:

"Dear [Name],

Duly noted on your email regarding [topic]. I appreciate your feedback and will take it into consideration.

Best regards, [Your Name]"

In this example, "duly noted" is a way of saying "I've read your email and understand your concerns" without necessarily promising to take action or respond further.