From 397d45193d3c4b96f7f5fcdbaf53bf47b18caace Mon Sep 17 00:00:00 2001
From: kohsuke <kohsuke@71c3de6d-444a-0410-be80-ed276b4c234a>
Date: Sun, 4 Oct 2009 01:22:07 +0000
Subject: [PATCH] Added a form validation check to detect typical errors like
 http://www.nabble.com/cannot-setup-email-account-td25727896.html

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@22378 71c3de6d-444a-0410-be80-ed276b4c234a
---
 core/src/main/java/hudson/tasks/Mailer.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/core/src/main/java/hudson/tasks/Mailer.java b/core/src/main/java/hudson/tasks/Mailer.java
index 87270b08ff..6aada7d4cf 100644
--- a/core/src/main/java/hudson/tasks/Mailer.java
+++ b/core/src/main/java/hudson/tasks/Mailer.java
@@ -392,6 +392,13 @@ public class Mailer extends Notifier {
             return doAddressCheck(value);
         }
 
+        public FormValidation doCheckDefaultSuffix(@QueryParameter String value) {
+            if (value.matches("@[A-Za-z0-9.\\-]+") || Util.fixEmptyAndTrim(value)==null)
+                return FormValidation.ok();
+            else
+                return FormValidation.error("This field should be '@' followed by a domain name.");
+        }
+
         /**
          * Send an email to the admin address
          * @throws IOException
-- 
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