dsn_put_wrapped(fp, US"X-Remote-MTA-smtp-greeting: X-str; ", s);
if ((s = addr->helo_response) && *s)
dsn_put_wrapped(fp, US"X-Remote-MTA-helo-response: X-str; ", s);
dsn_put_wrapped(fp, US"X-Remote-MTA-smtp-greeting: X-str; ", s);
if ((s = addr->helo_response) && *s)
dsn_put_wrapped(fp, US"X-Remote-MTA-helo-response: X-str; ", s);