diff --git a/attributes/default.rb b/attributes/default.rb
index c8581a9..50cb131 100644
--- a/attributes/default.rb
+++ b/attributes/default.rb
@@ -35,4 +35,9 @@ default['postfix']['smtp_sasl_passwd']    = ""
 
 default['postfix']['use_procmail'] = false
 
+default['postfix']['milter_default_action']  = "tempfail"
+default['postfix']['milter_protocol']  = "6"
+default['postfix']['smtpd_milters']  = ""
+default['postfix']['non_smtpd_milters']  = ""
+
 default['postfix']['aliases'] = {}
diff --git a/templates/default/main.cf.erb b/templates/default/main.cf.erb
index 75d7310..43c2eea 100644
--- a/templates/default/main.cf.erb
+++ b/templates/default/main.cf.erb
@@ -42,3 +42,8 @@ mailbox_command = /usr/bin/procmail -a "$EXTENSION"
 <% end -%>
 mailbox_size_limit = 0
 recipient_delimiter = +
+
+milter_default_action = <%= node['postfix']['milter_default_action'] %>
+milter_protocol = <%= node['postfix']['milter_protocol'] %>
+smtpd_milters = <%= node['postfix']['smtpd_milters'] %>
+non_smtpd_milters = <%= node['postfix']['non_smtpd_milters'] %>