tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
g_object_unref (header);
tny_header_set_flags (header, TNY_HEADER_FLAG_DELETED);
tny_header_set_flags (header, TNY_HEADER_FLAG_SEEN);
g_object_unref (header);