How can I have the clients email in the reply instead of no reply.

I have noticed when I respond via email to contact request, the noreply email appears as the new contacts email. Please change to where the contacts email is populated in the reply email and not your noreply. Weebly contact widget can do this, so can yours. 

Thank you

Brent Towle

Please refer to our user guide about it here 

How-to-Find-and-Change-the-Email-Address-Used-for-Notification-Email

The target email address of submission email is the email address in the Recipient E-mails box.

The Reply-to Email is the address you would like the reply to go to.  The same goes for autoresponders.