diff --git a/website/views.py b/website/views.py
index 570690e2f..cf6138bd7 100644
--- a/website/views.py
+++ b/website/views.py
@@ -791,8 +791,9 @@ def post(self, request, *args, **kwargs):
         exists = False
         domain = None
         if email:
-            domain = email.split("@")[-1]
+            domain = sanitize_domain(email.split("@")[-1])
             try:
+                return HttpResponse("Invalid domain name.")
                 ret = urllib.request.urlopen("https://" + sanitize_domain(domain) + "/favicon.ico")
                 exists = ret.code == 200
             except: