【Q】 I'd like to change the "confirmation_verification" code. What should I do?

Yes. You can change the "confirmation_verification" code by doing this:

1. Open this plugin admin-window at "Settings" > "Contact Form".
2. Push the "Save Changes" button.

Then, your "confirmation_verification" has been changed!

( 2017/September/24, 22:59:49, JST )