diff --git a/manifests/init.pp b/manifests/init.pp
index 17e3d9e..e7ce692 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -32,6 +32,7 @@ class exim(
   $transports               = [],
   $smtp_accept_max          = undef,
   $smtp_accept_max_per_host = undef,
+  $extra_aliases            = {},
 ) {
 
   include ::exim::params
diff --git a/templates/aliases.erb b/templates/aliases.erb
index bf224dd..8b7e4a4 100644
--- a/templates/aliases.erb
+++ b/templates/aliases.erb
@@ -1,4 +1,8 @@
 # /etc/aliases
+<% @extra_aliases.each do |key,value| -%>
+<%= key %>: <%= value %>
+<% end -%>
+
 mailer-daemon: postmaster
 postmaster: root
 nobody: root
@@ -12,8 +16,6 @@ abuse: root
 noc: root
 security: root
 
-gerrit2: root
-jenkins: root
 <% if @sysadmins.length > 0 -%>
 root: <%= @sysadmins.join(",") %>
 <% end -%>