Hi nhbeachguy,
Here the configuration i use for mail and auto reply :
I test it and it works 😉
EMAIL
To : myemail@gmail.com
From : [your-email] <noreply@mydomainname.com>
Subjet : Infos MYSITENAME [your-subject]
Additional Headers : Reply-To: [your-email]
EMAIL 2
To : [your-email]
From : MY SITE NAME <noreply@mydomainname.com>
Subjet : Your message was [your-subject]
Additional Headers : Reply-to:myemail@gmail.com