catch
--- a/src/Form/LmsMessagesSettingsForm.php
+++ b/src/Form/LmsMessagesSettingsForm.php
        '#title' => $template->label(),
        '#open' => \count($defaults) !== 0,
      ];
+      // Wouldn't this be handled by message_notify?
      $form['template_behavior'][$template_id]['email'] = [
        '#type' => 'checkbox',
        '#title' => $this->t('E-mail'),
        '#description' => $this->t('Send messages using this template as e-mails.'),
        '#default_value' => \array_key_exists('email', $defaults) ? $defaults['email'] : FALSE,
      ];
+      // What does this do?