public function setDecorators(array $replacements)
    {
        $wrapper = $this->config->get('Decorators.Wrapper');
        if ($wrapper) {
            foreach ($replacements as $email => $vars) {
                $decorators = [];
                foreach ($vars as $key => $value) {
                    $key = $wrapper[0] . $key . $wrapper[1];
                    $decorators[$key] = $value;
                }
                $replacements[$email] = $decorators;
            }
        }

        $decoratorPlugin = new \Swift_Plugins_DecoratorPlugin($replacements);
        $this->mailer->registerPlugin($decoratorPlugin);

        return $this;
    }