FAIL_RESP
smtp_client_abort(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
case FAIL_RESP: