strftime(date, sizeof date, "%a, %d %b %Y %H:%M:%S +0000", &ut);
gcry_create_nonce(idbuf, sizeof idbuf);
id = mime_to_base64(idbuf, sizeof idbuf);
strftime(date, sizeof date, "%a, %d %b %Y %H:%M:%S +0000", &ut);
gcry_create_nonce(idbuf, sizeof idbuf);
id = mime_to_base64(idbuf, sizeof idbuf);