Server sided mail checking...

checkMail.php

@@ -0,0 +1,3 @@
+<?php
+echo shell_exec('./checkmail.sh \'' . $_GET['mailAddress'] . '\'');
+?>

js/router.js

@@ -1,6 +1,5 @@
 /*globals $,ibuyproperties,window*/
 
-// R O O T E R
 ibuyproperties.router=(function(){
   var allRoutes=[];
 

templates/sell_userInfo.html

@@ -1,16 +1,43 @@
 <script>
 function checkEMail(theEmailAddress){
-  return (/^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/.test(theEmailAddress));
+  var def = new $.Deferred()
+
+  var patternMatch=(/^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/.test(theEmailAddress));
+  if (patternMatch ) {
+    $.ajax({
+      type:"GET",
+      url:"/checkMail.php",
+      dataType:"json",
+      contentType:"application/json",
+      data: { "mailAddress" : theEmailAddress},
+      success:function(msg,jqXHR,status) {
+        console.log("send-success method mailcheck ",msg,jqXHR,status);
+        if (msg.status != "ok") {
+          def.resolve();
+        } else {
+          def.reject(msg);
+        }
+      },
+      error:function(jqXHR,status,error){
+        console.log("send-error method mailcheck ",jqXHR,status,error);
+        def.reject(jqXHR);
+      }
+    });
+  } else {
+    def.reject("{status:'error', msg:'pattern not matching e-mail format.'}")
+  }
+ return def.promise();
 }
 
 function nextHandler(){
   $("#alertInvalidEMail").addClass("hide");
-  if(checkEMail($($('[name="email"]')[0]).val())){
+  checkEMail($($('[name="email"]')[0]).val()).then(function(){
     window.location="#Sell/page2/";
-  } else {
+  }).fail(function(data){
     if (ibuyproperties.isDebugMode) { console.log("EMail Wrong"); }
     $("#alertInvalidEMail").removeClass("hide");
-  }
+    console.error("E-Mail check error",data)
+  });
 }
 </script>