diff --git a/templates/postfix/conf.d/transport_relay.j2 b/templates/postfix/conf.d/transport_relay.j2
index 4d24715..3d70580 100644
--- a/templates/postfix/conf.d/transport_relay.j2
+++ b/templates/postfix/conf.d/transport_relay.j2
@@ -14,3 +14,12 @@
 {% endif %}
 {% endfor %}
 {% endif %}
+
+{% if postfix_transport_relay_domains is defined %}
+{% for domain in postfix_transport_relay_domains %}
+{% if domain.comment is defined %}
+# {{ domain.comment }}
+{% endif %}
+{{ "%-50s %s" | format(domain.name, domain.relay) }}
+{% endfor %}
+{% endif %}