v1.1

config.inc.php.dist

@@ -18,7 +18,7 @@ $config['pr_fields'] = [
 $config['pr_admin_email'] = 'postmaster@your.domain.com';
 
 // Use secret question/answer to confirmation password recovery
-$config['pr_use_question'] = true;
+$config['pr_use_question'] = false;
 
 // Use message with code to confirmation password recovery
 $config['pr_use_confirm_code'] = true;

password_recovery.php

@@ -324,6 +324,12 @@ class password_recovery extends rcube_plugin {
                     }
                 }
             }
+
+            if (!$this->rc->config->get('pr_use_question')) {
+                unset($new_fields['question']);
+                unset($new_fields['answer']);
+            }
+
             $p['form']['addressing']['content'] = $new_fields;
 
             if($this->user['username']){