Allow adjustment of the max_use var
diff --git a/manifests/server.pp b/manifests/server.pp
index d46b247..51cb0eb 100644
--- a/manifests/server.pp
+++ b/manifests/server.pp
@@ -161,7 +161,8 @@
   ## ASF Custom
   $asf_mx_enabled           = false,
   $asf_mx_content_filter    = '',
-  $max_postfix_amavis_procs = '10'
+  $max_postfix_amavis_procs = '10',
+  $max_use_postfix_amavis   = '25'
 
 ) inherits ::postfix::params {
 
diff --git a/templates/master.cf.erb b/templates/master.cf.erb
index d30d5f8..83cd65a 100644
--- a/templates/master.cf.erb
+++ b/templates/master.cf.erb
@@ -46,7 +46,7 @@
        -o smtp_data_done_timeout=1200
        -o smtp_send_xforward_command=yes
        -o disable_dns_lookups=yes
-       #-o max_use=20
+       -o max_use=<%= @max_use_postfix_amavis %>
 <% end -%>
 
 <% unless @postscreen -%>