diff --git a/config/config.default.php b/config/config.default.php
index 0b268c12..59f7bbc6 100644
--- a/config/config.default.php
+++ b/config/config.default.php
@@ -8,6 +8,7 @@ $faq_url = "https://events.ccc.de/congress/2013/wiki/Static:Volunteers";
 
 // contact email address, linked on every page
 $contact_email = "mailto:ticket@c3heaven.de";
+$no_reply_email = "noreply@engelsystem.de";
 
 // Default-Theme auf der Startseite, 1=style1.css usw.
 $default_theme = 1;
diff --git a/includes/helper/email_helper.php b/includes/helper/email_helper.php
index 0ef4326a..462b5641 100644
--- a/includes/helper/email_helper.php
+++ b/includes/helper/email_helper.php
@@ -16,7 +16,8 @@ function engelsystem_email_to_user($recipient_user, $title, $message, $not_if_it
 }
 
 function engelsystem_email($address, $title, $message) {
-  $result = mail($address, $title, $message, "Content-Type: text/plain; charset=UTF-8\r\nFrom: Engelsystem <noreply@engelsystem.de>");
+  global $no_reply_email;
+  $result = mail($address, $title, $message, sprintf("Content-Type: text/plain; charset=UTF-8\r\nFrom: Engelsystem <%s>", $no_reply_email));
   if ($result === false) {
     engelsystem_error('Unable to send email.');
   }