return NGX_CONF_ERROR;
}
+ if (u.family != AF_INET) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "listen supports IPv4 only");
+ return NGX_CONF_ERROR;
+ }
+
cmcf = ngx_mail_conf_get_module_main_conf(cf, ngx_mail_core_module);
imls = cmcf->listen.elts;