protected function getBody()
    {
        $data = $this->form->data();

        unset($data[self::EMAIL_KEY]);
        unset($data[self::RECEIVE_COPY_KEY]);
        $body = '';
        foreach ($data as $key => $value) {
            if (is_array($value)) {
                $value = implode(', ', array_filter($value, function ($i) {
                    return $i !== '';
                }));
            }

            $body .= ucfirst($key).': '.$value."\n\n";
        }

        return $body;
    }