From 3151b4b0dc58a9d7b74a8daeda0ff24b05c439be Mon Sep 17 00:00:00 2001
From: Ripta Pasay <github@r8y.org>
Date: Wed, 15 Apr 2009 20:44:46 -0400
Subject: [PATCH] Don't allow spaces in the MX record content [#67]

---
 app/models/mx.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/models/mx.rb b/app/models/mx.rb
index 3246d388..957acc27 100644
--- a/app/models/mx.rb
+++ b/app/models/mx.rb
@@ -14,6 +14,9 @@ class MX < Record
     :only_integer => true
   
   validates_presence_of :content
+  validates_format_of :content,
+    :allow_blank => true,
+    :with => /\A\S+\Z/
   
   # Only accept valid IPv4 addresses
   def validate_with_mx