final Enumeration<LhaHeader> entries = lhaFile.entries();
            long contentSize = 0;
            while (entries.hasMoreElements()) {
                final LhaHeader head = entries.nextElement();
                contentSize += head.getOriginalSize();
                if (maxContentSize != -1 && contentSize > maxContentSize) {

            final Enumeration<Header> headers = message.getAllHeaders();
            while (headers.hasMoreElements()) {
                final Header header = headers.nextElement();
                data.putValue(header.getName(), header.getValue());
            }
            putValue(data, "Content-ID", message.getContentID());