Go for Contact from channels and click on Settings icon.

Click on Form Setting Go for Auto res-ponder and Click on Radio button for Auto res-ponder.

Enter the Form name you want to add in the form name input fields.

Enter the Valid Email id you want to add in the From email input fields.

Enter the Subject you want to add in the subject input fields.

Enter the Message you want to add in the Message input fields.

Click on Send test Mail button.

After the click on send mail button open the popup.

Enter the Valid Email id you want to add in the To email address input fields and click on Submit button.

After the click on send button show successfully message.

If show successfully message After check Mail is Mail is received or not.