diff --git a/rootfs/etc/confd/templates/main.cf.tmpl b/rootfs/etc/confd/templates/main.cf.tmpl
index f076cc7..d82f657 100644
--- a/rootfs/etc/confd/templates/main.cf.tmpl
+++ b/rootfs/etc/confd/templates/main.cf.tmpl
@@ -49,6 +49,7 @@ smtpd_relay_restrictions = permit_mynetworks,permit_sasl_authenticated,defer_una
 
 smtpd_milters =
     unix:/var/run/spamass-milter/spamass.sock
+    inet:{{getenv "DKIMHOST"}}:{{getenv "DKIMPORT"}}
 non_smtpd_milters = $smtpd_milters
 milter_default_action = accept
 milter_macro_daemon_name = ORIGINATING