g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream_stdout), FALSE);
show_text_part_content (part, stream_stdout);
g_object_unref(stream_stdout);
g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream_stdout), FALSE);
show_text_part_content (part, stream_stdout);
g_object_unref(stream_stdout);