diff --git a/inventory/service/host_vars/lists.openstack.org.yaml b/inventory/service/host_vars/lists.openstack.org.yaml
index 786268cb20..d690836762 100644
--- a/inventory/service/host_vars/lists.openstack.org.yaml
+++ b/inventory/service/host_vars/lists.openstack.org.yaml
@@ -1,4 +1,4 @@
-mm_domains: 'lists.openstack.org:lists.zuul-ci.org:lists.airshipit.org:lists.starlingx.io:lists.opendev.org'
+mm_domains: 'lists.openstack.org:lists.zuul-ci.org:lists.airshipit.org:lists.starlingx.io:lists.opendev.org:lists.openinfra.dev'
 exim_local_domains: "@:{{ mm_domains }}"
 exim_enable_spf: true
 exim_aliases:
@@ -164,6 +164,14 @@ mailman_sites:
         description: 'Discussions & Coordination around the FLOSS MOOC being collaboratively developed here: https://gitlab.com/mooc-floss/mooc-floss'
         admin: 'knelson@openinfra.dev'
         password: "{{ mailman_list_password }}"
+  - name: openinfra
+    listdomain: lists.openinfra.dev
+    install_languages: ['en']
+    lists:
+      - name: mailman
+        description: 'The mailman site list'
+        admin: 'nobody@openstack.org'
+        password: "{{ mailman_list_password }}"
   - name: openstack
     listdomain: lists.openstack.org
     install_languages: ['de', 'fr', 'it', 'ko', 'ru', 'vi', 'zh_TW']