iter = tny_list_create_iterator (parts);
while (!tny_iterator_is_done (iter)) {
TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
iter = tny_list_create_iterator (parts);
while (!tny_iterator_is_done (iter)) {
TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));