diff --git a/README.md b/README.md
index bb4d5513..4b21d824 100644
--- a/README.md
+++ b/README.md
@@ -203,12 +203,12 @@ class { 'icinga2':
 
 **`mail` binaries**
 
-If you would like to install packages to make a `mail` command binary available so that Icinga 2 can send out email notifications, set the `install_mail_utils_package` parameter to **true**:
+Packages that are needed so that Icinga 2 can send out email notifications, are automatically installed. If you would like to prevent this, set the `install_mailutils` parameter to **false**:
 
 <pre>
   class { 'icinga2':
     ...
-    install_mail_utils_package => true,
+    install_mailutils => false,
     ...
   }
 </pre>
diff --git a/manifests/params.pp b/manifests/params.pp
index 991617b1..d9c52a31 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -21,9 +21,6 @@
   #Whether to install the plugin packages when the icinga2 class is applied:
   $install_nagios_plugins = true
 
-  #whether to install packages that provide the 'mail' binary
-  $install_mail_utils_package = false
-
   $config_template = 'icinga2/icinga2.conf.erb'
   $manage_service = true