Closed requests get reopened when the user replies

Is anyone else experiencing this issue? We have the notification rule turned on to send an email when the request has been closed. The problem with this is that the user replies to the email just to say thanks and the request is reopened. So you close the request again and the user gets another email saying the request has been closed again. This is redundant as the user has already received an email saying the request has been closed and they become confused.

Has anyone else dealt with this and how can I avoid this without turning off the notification? We want the user to know when their request is closed and the resolution via email.

This needs to be addressed in a hotfix in my opinion. We should have the option to not send an email when closing a request or there should be a way to close the request without allowing the user to reopen the ticket by responding to the email.