diff --git a/vars/strato-production.yaml b/vars/strato-production.yaml
index a59f42f..89233e9 100644
--- a/vars/strato-production.yaml
+++ b/vars/strato-production.yaml
@@ -1,5 +1,5 @@
 backup_dir: /media/backup/strato-production
-systems: ['buehler', 'scheidle', 'mailserver', 'roundcube', 'svj']
+systems: ['buehler', 'scheidle', 'roundcube', 'svj']
 databases: ['buehler', 'scheidle', 'roundcube', 'svj']
 mysql_databases: ['buehler', 'scheidle', 'roundcube', 'svj']
 local_backup: /home/semaphore/backup
@@ -32,3 +32,12 @@ svj-password: !vault |
   31316433653265313733393862653634666261643865363364323165326139323230633838366339
   3731613934383064310a666338373530633136336362646139373633323139333738363061393562
   38653231333437653066346465633635336663643137363431326239333135616230
+customers:
+  buehler:
+    database: buehler
+  scheidle:
+    database: scheidle
+  roundcube:
+    database: roundcube
+  svj:
+    database: svj