modest_conf_set_int (conf, MODEST_CONF_UPDATE_INTERVAL, MODEST_UPDATE_INTERVAL_15_MIN, NULL);
if (!modest_conf_key_exists (conf, MODEST_CONF_MSG_SIZE_LIMIT, NULL))
modest_conf_set_int (conf, MODEST_CONF_UPDATE_INTERVAL, MODEST_UPDATE_INTERVAL_15_MIN, NULL);
if (!modest_conf_key_exists (conf, MODEST_CONF_MSG_SIZE_LIMIT, NULL))