From a00e8a811ddec789dd166fa0b9c3dacd9226b305 Mon Sep 17 00:00:00 2001
From: Christian Boltz <postfixadmin@cboltz.de>
Date: Mon, 16 May 2016 09:27:36 +0000
Subject: [PATCH] functions.inc.php: - check_domain(): someone had the great
 idea to allow punicode   even in TLDs, so we better allow it.  
 https://sourceforge.net/p/postfixadmin/feature-requests/93/

git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@1839 a1433add-5e2c-0410-b055-b7f2511e0802
---
 functions.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/functions.inc.php b/functions.inc.php
index db74f1cc..3f88915f 100644
--- a/functions.inc.php
+++ b/functions.inc.php
@@ -198,7 +198,7 @@ function language_selector() {
  * TODO: skip DNS check if the domain exists in PostfixAdmin?
  */
 function check_domain ($domain) {
-    if (!preg_match ('/^([-0-9A-Z]+\.)+' . '([0-9A-Z]){2,13}$/i', ($domain))) {
+    if (!preg_match ('/^([-0-9A-Z]+\.)+' . '([-0-9A-Z]){2,13}$/i', ($domain))) {
         return sprintf(Config::lang('pInvalidDomainRegex'), htmlentities($domain));
     }