diff --git a/Override-default-postfix-configuration.md b/Override-default-postfix-configuration.md
index fd839c1..e979b8f 100644
--- a/Override-default-postfix-configuration.md
+++ b/Override-default-postfix-configuration.md
@@ -1,5 +1,6 @@
 Postfix default configuration can easily be overrided providing a `config/postfix-main.cf` at postfix format.
 This can be used to also add configuration that are not in out default configuration.
+[Postfix documentation](http://www.postfix.org/documentation.html) remains the best place to find configuration options.
 
 Each line in the provided line will be loaded into postfix.