diff --git a/modoboa/admin/fixtures/demo.json b/modoboa/admin/fixtures/demo.json
index ab9fb3ec9..7a8dd6b30 100644
--- a/modoboa/admin/fixtures/demo.json
+++ b/modoboa/admin/fixtures/demo.json
@@ -1 +1 @@
-[{"pk": 1, "model": "admin.user", "fields": {"username": "admin", "first_name": "", "last_name": "", "is_active": true, "is_superuser": true, "is_staff": false, "last_login": "2012-05-03 16:58:51", "groups": [], "user_permissions": [], "password": "{CRYPT}dTTsGDkA5ZHKg", "email": "", "date_joined": "2012-01-26 15:19:25"}}, {"pk": 2, "model": "admin.user", "fields": {"username": "admin@demo.local", "first_name": "Demo", "last_name": "Administrator", "is_active": true, "is_superuser": false, "is_staff": false, "last_login": "2012-05-24 05:00:12", "groups": [1], "user_permissions": [], "password": "{CRYPT}SJ2bQWwabfH/6", "email": "admin@demo.local", "date_joined": "2012-05-03 16:50:15"}}, {"pk": 4, "model": "admin.user", "fields": {"username": "user@demo.local", "first_name": "Demo", "last_name": "User", "is_active": true, "is_superuser": false, "is_staff": false, "last_login": "2012-05-03 16:56:50", "groups": [2], "user_permissions": [], "password": "{CRYPT}2iAFXtxUA6.7Y", "email": "user@demo.local", "date_joined": "2012-05-03 16:56:50"}}, {"pk": 1, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 1, "content_type": ["admin", "user"], "object_id": 1}}, {"pk": 2, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "domain"], "object_id": 1}}, {"pk": 3, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "user"], "object_id": 2}}, {"pk": 4, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "mailbox"], "object_id": 1}}, {"pk": 5, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "alias"], "object_id": 1}}, {"pk": 6, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "domain"], "object_id": 1}}, {"pk": 7, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "mailbox"], "object_id": 1}}, {"pk": 8, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "user"], "object_id": 2}}, {"pk": 9, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "alias"], "object_id": 1}}, {"pk": 13, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "user"], "object_id": 4}}, {"pk": 14, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "mailbox"], "object_id": 3}}, {"pk": 15, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "mailbox"], "object_id": 3}}, {"pk": 16, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "user"], "object_id": 4}}, {"pk": 1, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:49:40", "last_modification": "2012-05-03 16:49:40"}}, {"pk": 2, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:50:15", "last_modification": "2012-05-03 16:50:36"}}, {"pk": 3, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:50:15", "last_modification": "2012-05-03 16:50:15"}}, {"pk": 4, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:51:04", "last_modification": "2012-05-03 16:51:04"}}, {"pk": 5, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:56:50", "last_modification": "2012-05-03 16:56:50"}}, {"pk": 1, "model": "admin.domain", "fields": {"dates": 1, "enabled": true, "name": "demo.local", "quota": 10}}, {"pk": 1, "model": "admin.mailbox", "fields": {"dates": 2, "uid": 500, "quota": 10, "gid": 500, "user": 2, "domain": 1, "address": "admin", "path": "admin/"}}, {"pk": 3, "model": "admin.mailbox", "fields": {"dates": 5, "uid": 500, "quota": 10, "gid": 500, "user": 4, "domain": 1, "address": "user", "path": "user/"}}, {"pk": 1, "model": "admin.alias", "fields": {"dates": 3, "enabled": true, "domain": 1, "mboxes": [1], "address": "postmaster", "extmboxes": ""}}, {"pk": 1, "model": "admin.extension", "fields": {"enabled": true, "name": "limits"}}, {"pk": 2, "model": "admin.extension", "fields": {"enabled": true, "name": "postfix_autoreply"}}, {"pk": 3, "model": "admin.extension", "fields": {"enabled": true, "name": "stats"}}, {"pk": 4, "model": "admin.extension", "fields": {"enabled": true, "name": "amavis"}}, {"pk": 5, "model": "admin.extension", "fields": {"enabled": true, "name": "webmail"}}, {"pk": 6, "model": "admin.extension", "fields": {"enabled": true, "name": "sievefilters"}}]
+[{"pk": 1, "model": "admin.user", "fields": {"username": "admin", "first_name": "", "last_name": "", "is_active": true, "is_superuser": true, "is_staff": false, "last_login": "2012-05-03 16:58:51", "groups": [], "user_permissions": [], "password": "{CRYPT}dTTsGDkA5ZHKg", "email": "", "date_joined": "2012-01-26 15:19:25"}}, {"pk": 2, "model": "admin.user", "fields": {"username": "admin@demo.local", "first_name": "Demo", "last_name": "Administrator", "is_active": true, "is_superuser": false, "is_staff": false, "last_login": "2012-05-24 05:00:12", "groups": [1], "user_permissions": [], "password": "{CRYPT}SJ2bQWwabfH/6", "email": "admin@demo.local", "date_joined": "2012-05-03 16:50:15"}}, {"pk": 4, "model": "admin.user", "fields": {"username": "user@demo.local", "first_name": "Demo", "last_name": "User", "is_active": true, "is_superuser": false, "is_staff": false, "last_login": "2012-05-03 16:56:50", "groups": [2], "user_permissions": [], "password": "{CRYPT}2iAFXtxUA6.7Y", "email": "user@demo.local", "date_joined": "2012-05-03 16:56:50"}}, {"pk": 1, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 1, "content_type": ["admin", "user"], "object_id": 1}}, {"pk": 2, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "domain"], "object_id": 1}}, {"pk": 3, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "user"], "object_id": 2}}, {"pk": 4, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "mailbox"], "object_id": 1}}, {"pk": 5, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "alias"], "object_id": 1}}, {"pk": 6, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "domain"], "object_id": 1}}, {"pk": 7, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "mailbox"], "object_id": 1}}, {"pk": 8, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "user"], "object_id": 2}}, {"pk": 9, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "alias"], "object_id": 1}}, {"pk": 13, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "user"], "object_id": 4}}, {"pk": 14, "model": "admin.objectaccess", "fields": {"is_owner": true, "user": 1, "content_type": ["admin", "mailbox"], "object_id": 3}}, {"pk": 15, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "mailbox"], "object_id": 3}}, {"pk": 16, "model": "admin.objectaccess", "fields": {"is_owner": false, "user": 2, "content_type": ["admin", "user"], "object_id": 4}}, {"pk": 1, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:49:40", "last_modification": "2012-05-03 16:49:40"}}, {"pk": 2, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:50:15", "last_modification": "2012-05-03 16:50:36"}}, {"pk": 3, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:50:15", "last_modification": "2012-05-03 16:50:15"}}, {"pk": 4, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:51:04", "last_modification": "2012-05-03 16:51:04"}}, {"pk": 5, "model": "admin.objectdates", "fields": {"creation": "2012-05-03 16:56:50", "last_modification": "2012-05-03 16:56:50"}}, {"pk": 1, "model": "admin.domain", "fields": {"dates": 1, "enabled": true, "name": "demo.local", "quota": 10}}, {"pk": 1, "model": "admin.mailbox", "fields": {"dates": 2, "quota": 10, "user": 2, "domain": 1, "address": "admin", "path": "admin/"}}, {"pk": 3, "model": "admin.mailbox", "fields": {"dates": 5, "quota": 10, "user": 4, "domain": 1, "address": "user", "path": "user/"}}, {"pk": 1, "model": "admin.alias", "fields": {"dates": 3, "enabled": true, "domain": 1, "mboxes": [1], "address": "postmaster", "extmboxes": ""}}, {"pk": 1, "model": "admin.extension", "fields": {"enabled": true, "name": "limits"}}, {"pk": 2, "model": "admin.extension", "fields": {"enabled": true, "name": "postfix_autoreply"}}, {"pk": 3, "model": "admin.extension", "fields": {"enabled": true, "name": "stats"}}, {"pk": 4, "model": "admin.extension", "fields": {"enabled": true, "name": "amavis"}}, {"pk": 5, "model": "admin.extension", "fields": {"enabled": true, "name": "webmail"}}, {"pk": 6, "model": "admin.extension", "fields": {"enabled": true, "name": "sievefilters"}}]
diff --git a/modoboa/lib/fixtures/demo.json b/modoboa/lib/fixtures/demo.json
index 87919d286..c590a70d8 100644
--- a/modoboa/lib/fixtures/demo.json
+++ b/modoboa/lib/fixtures/demo.json
@@ -1,12 +1,4 @@
 [
-    {
-        "pk": 1,
-        "model": "lib.parameter",
-        "fields": {
-            "name": "admin.STORAGE_PATH",
-            "value": "/srv/vmail"
-        }
-    },
     {
         "pk": 2,
         "model": "lib.parameter",
@@ -31,30 +23,14 @@
             "value": "userprefs"
         }
     },
-    {
-        "pk": 5,
-        "model": "lib.parameter",
-        "fields": {
-            "name": "admin.LDA",
-            "value": "dovecot"
-        }
-    },
     {
         "pk": 6,
         "model": "lib.parameter",
         "fields": {
-            "name": "auth.SECRET_KEY",
+            "name": "general.SECRET_KEY",
             "value": "abcdefghijklmnop"
         }
     },
-    {
-        "pk": 7,
-        "model": "lib.parameter",
-        "fields": {
-            "name": "admin.MAILBOX_TYPE",
-            "value": "maildir"
-        }
-    },
     {
         "pk": 8,
         "model": "lib.parameter",
@@ -67,23 +43,7 @@
         "pk": 9,
         "model": "lib.parameter",
         "fields": {
-            "name": "admin.VIRTUAL_UID",
-            "value": "vmail"
-        }
-    },
-    {
-        "pk": 10,
-        "model": "lib.parameter",
-        "fields": {
-            "name": "admin.MAILDIR_ROOT",
-            "value": ".maildir"
-        }
-    },
-    {
-        "pk": 11,
-        "model": "lib.parameter",
-        "fields": {
-            "name": "admin.VIRTUAL_GID",
+            "name": "admin.MAILBOXES_OWNER",
             "value": "vmail"
         }
     },