better config setup

config/app.example.php

@@ -8,16 +8,15 @@ return [
             'email' => true,
             'captcha' => true,
         ],
-        'sendConfirmationEmail' => true,
-        'sendBackendEmail' => true,
+        'clientIpHeader' => '',
         'email' => [
             'mailerClass' => 'CakeContactUs.ContactUsFormSubmissions',
-            'confirmation' => [
-                'enabled' => true,
-            ],
-            'backend' => [
+            'confirmation' => true, // true or false
+            'backend' => [ // array with enabled and the to/cc/bcc/ fields as strings or arrays
                 'enabled' => true,
                 'to' => 'bshipley@hipowered.dev',
+                'cc' => '', // email string or array of emails
+                'bcc' => '', // email string or array of emails
             ],
         ],
         'addIdToRedirect' => true,