diff --git a/deploy/ansible/playbooks/deploy-c3lf-sys3.yml b/deploy/ansible/playbooks/deploy-c3lf-sys3.yml
index 544b4e4..4005146 100644
--- a/deploy/ansible/playbooks/deploy-c3lf-sys3.yml
+++ b/deploy/ansible/playbooks/deploy-c3lf-sys3.yml
@@ -345,6 +345,13 @@
       notify:
         - restart postfix
 
+    - name: configure rspamd dkim
+      template:
+        src: templates/rspamd-dkim.cf.j2
+        dest: /etc/rspamd/local.d/dkim_signing.conf
+      notify:
+        - restart rspamd
+
     - name: configure rspamd
       copy:
         content: |