}
            putValue(data, "Content-ID", message.getContentID());
            putValue(data, "Content-Language", message.getContentLanguage());
            putValue(data, "Content-MD5", message.getContentMD5());
            putValue(data, "Description", message.getDescription());
            putValue(data, "Disposition", message.getDisposition());
            putValue(data, "Encoding", message.getEncoding());