Reply to customer in New Order admin email?

Is it possible to add a reply-to the customer email address in the admin “New order” email?

I want to add the customer email address as a reply to, so I can easily mail the customer back if I ‘ve got some questions about his order.

Now I can only reply to myself (shop email) instead of to the customer, so I have to copy past the customer email address all the time.

Thank you
Bart

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