diff --git a/README.md b/README.md
index ad21386..adb9041 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ sudo dpkg -i gitlab-x.y.z.deb # this is the .deb you downloaded
 sudo gitlab-ctl reconfigure
 ```
 
-during the exim installation you may follow http://www.gambaru.de/blog/2012/03/21/nur-versenden-mailserver-mit-debian-und-exim/comment-page-1/
+during the exim installation you may follow http://alexatnet.com/references/server-setup-debian/send-only-mail-server-with-exim to ensure you get a secure mailserver
 
 ### CentOS 6.5
 
--
libgit2 0.21.2