diff --git a/bundles/postgresql/files/pg_hba.conf b/bundles/postgresql/files/pg_hba.conf
index 801cef7..950dd28 100644
--- a/bundles/postgresql/files/pg_hba.conf
+++ b/bundles/postgresql/files/pg_hba.conf
@@ -12,11 +12,11 @@ local   all             postgres                                peer
 # "local" is for Unix domain socket connections only
 local   all             all                                     peer
 # IPv4 local connections:
-host    all             all             127.0.0.1/32            md5
+host    all             all             127.0.0.1/32            ${node.metadata.get('postgresql/password_algorithm', 'md5')}
 # IPv6 local connections:
-host    all             all             ::1/128                 md5
+host    all             all             ::1/128                 ${node.metadata.get('postgresql/password_algorithm', 'md5')}
 # Allow replication connections from localhost, by a user with the
 # replication privilege.
 local   replication     all                                     peer
-host    replication     all             127.0.0.1/32            md5
-host    replication     all             ::1/128                 md5
+host    replication     all             127.0.0.1/32            ${node.metadata.get('postgresql/password_algorithm', 'md5')}
+host    replication     all             ::1/128                 ${node.metadata.get('postgresql/password_algorithm', 'md5')}
diff --git a/bundles/postgresql/items.py b/bundles/postgresql/items.py
index 21ae0cc..db72238 100644
--- a/bundles/postgresql/items.py
+++ b/bundles/postgresql/items.py
@@ -19,6 +19,7 @@ directories = {
 
 files = {
     f"/etc/postgresql/{version}/main/pg_hba.conf": {
+        'content_type': 'mako',
         'mode': '0640',
         'owner': 'postgres',
         'group': 'postgres',
diff --git a/nodes/mseibert.freescout.py b/nodes/mseibert.freescout.py
index c186b08..57407fb 100644
--- a/nodes/mseibert.freescout.py
+++ b/nodes/mseibert.freescout.py
@@ -30,6 +30,9 @@
                 'gateway6': 'fe80::1',
             },
         },
+        'postgresql': {
+            'password_algorithm': 'scram-sha-256',
+        },
         'freescout': {
             'domain': 'foerderkreis.oranienschule-wiesbaden-wiki.de',
         },
diff --git a/nodes/mseibert.mailman.py b/nodes/mseibert.mailman.py
index b2a9b7d..06c53ab 100644
--- a/nodes/mseibert.mailman.py
+++ b/nodes/mseibert.mailman.py
@@ -6,9 +6,9 @@
 {
     'hostname': '91.99.123.176',
     'groups': [
-        #'backup',
+        'backup',
         'debian-12',
-        #'monitored',
+        'monitored',
         'webserver',
     ],
     'bundles': [