diff --git a/bundles/backup/items.py b/bundles/backup/items.py
new file mode 100644
index 0000000..77d06af
--- /dev/null
+++ b/bundles/backup/items.py
@@ -0,0 +1,14 @@
+from json import dumps
+
+directories['/etc/backup'] = {}
+
+files['/etc/backup/config.json'] = {
+    'content': dumps(
+        {
+            'server': node.metadata.get('backup/server'),
+            'paths': sorted(set(node.metadata.get('backup/paths'))),
+        },
+        indent=4,
+        sort_keys=True
+    ),
+}
diff --git a/bundles/backup/metadata.py b/bundles/backup/metadata.py
new file mode 100644
index 0000000..9349032
--- /dev/null
+++ b/bundles/backup/metadata.py
@@ -0,0 +1,6 @@
+defaults = {
+    'backup': {
+        'server': None,
+        'paths': [],
+    },
+}
diff --git a/bundles/gitea/metadata.py b/bundles/gitea/metadata.py
index 4f34f75..2c98618 100644
--- a/bundles/gitea/metadata.py
+++ b/bundles/gitea/metadata.py
@@ -60,6 +60,13 @@ defaults = {
             },
         },
     },
+    'zfs': {
+        'datasets': {
+            'tank/gitea': {
+                'mountpoint': '/var/lib/gitea',
+            },
+        },
+    },
 }
 
 
diff --git a/bundles/nextcloud/metadata.py b/bundles/nextcloud/metadata.py
index 90cf3dc..c86f3b4 100644
--- a/bundles/nextcloud/metadata.py
+++ b/bundles/nextcloud/metadata.py
@@ -31,7 +31,7 @@ defaults = {
         },
     },
     'backup': {
-        'files': [
+        'paths': [
             '/etc/nextcloud/config.php',
         ],
     },
@@ -61,7 +61,7 @@ defaults = {
     },
     'zfs': {
         'datasets': {
-            'tank/nexcloud': {
+            'tank/nextcloud': {
                 'mountpoint': '/var/lib/nextcloud',
             },
         },
diff --git a/bundles/postfix/metadata.py b/bundles/postfix/metadata.py
index 3b610e5..decb1d8 100644
--- a/bundles/postfix/metadata.py
+++ b/bundles/postfix/metadata.py
@@ -5,6 +5,11 @@ defaults = {
             'postfix-pgsql': {},
         }
     },
+    'backup': {
+        'paths': [
+            '/var/vmail',
+        ],
+    },
     'letsencrypt': {
         'reload_after': {
             'postfix',
diff --git a/bundles/postgresql/metadata.py b/bundles/postgresql/metadata.py
index 46dc13d..fcc5dd3 100644
--- a/bundles/postgresql/metadata.py
+++ b/bundles/postgresql/metadata.py
@@ -1,4 +1,14 @@
 defaults = {
+    'apt': {
+        'packages': {
+            'postgresql': {},
+        },
+    },
+    'backup': {
+        'paths': [
+            '/var/lib/postgresql',
+        ],
+    },
     'postgresql': {
         'roles': {
             'root': {
@@ -8,11 +18,6 @@ defaults = {
         },
         'databases': {},
     },
-    'apt': {
-        'packages': {
-            'postgresql': {},
-        },
-    },
 }
 
 if node.has_bundle('zfs'):
diff --git a/bundles/zfs/metadata.py b/bundles/zfs/metadata.py
index 690461a..b7a24de 100644
--- a/bundles/zfs/metadata.py
+++ b/bundles/zfs/metadata.py
@@ -54,3 +54,17 @@ def dataset_defaults(metadata):
             },
         },
     }
+
+
+@metadata_reactor.provides(
+    'backup/paths'
+)
+def backup(metadata):
+    return {
+        'backup': {
+            'paths': [
+                options['mountpoint'] for options in metadata.get('zfs/datasets').values()
+                    if options.get('backup', True)
+            ],
+        },
+    }
diff --git a/groups/all.py b/groups/all.py
index 2e8e687..6697eee 100644
--- a/groups/all.py
+++ b/groups/all.py
@@ -1,5 +1,11 @@
 {
+    'bundles': [
+        'backup',
+    ],
     'metadata': {
+        'backup': {
+            'server': 'backups.sublimity.de',
+        },
         'dns': {},
     }
 }
diff --git a/nodes/htz.mails.py b/nodes/htz.mails.py
index 54af51a..b997087 100644
--- a/nodes/htz.mails.py
+++ b/nodes/htz.mails.py
@@ -9,11 +9,10 @@
         'dnsserver',
     ],
     'bundles': [
-        'gcloud',
         'wireguard',
+        'nextcloud', #TEMP
+        'influxdb2', #TEMP
         'zfs',
-        'nextcloud',
-        'influxdb2',
     ],
     'metadata': {
         'bind': {