diff --git a/modoboa/admin/forms/forward.py b/modoboa/admin/forms/forward.py
index 5e2db8509..00334f14a 100644
--- a/modoboa/admin/forms/forward.py
+++ b/modoboa/admin/forms/forward.py
@@ -28,7 +28,7 @@ def get_recipients(self):
         recipients = []
         rawdata = self.cleaned_data["dest"].strip()
         if not rawdata:
-            return
+            return recipients
         for rcpt in rawdata.split(","):
             local_part, domname = split_mailbox(rcpt)
             if not local_part or not domname:
diff --git a/modoboa/admin/management/commands/export_domains.py b/modoboa/admin/management/commands/export_domains.py
index 0f1114619..c4fc5edc6 100644
--- a/modoboa/admin/management/commands/export_domains.py
+++ b/modoboa/admin/management/commands/export_domains.py
@@ -6,11 +6,10 @@
 
 from modoboa.core import load_core_settings
 from modoboa.core.extensions import exts_pool
-from modoboa.core.management.commands import CloseConnectionMixin
 from ...models import Domain
 
 
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
     help = 'Export domains and domain aliases to a csv'
 
     option_list = BaseCommand.option_list + (
diff --git a/modoboa/admin/management/commands/export_identities.py b/modoboa/admin/management/commands/export_identities.py
index 95551647e..6d3bb1f46 100644
--- a/modoboa/admin/management/commands/export_identities.py
+++ b/modoboa/admin/management/commands/export_identities.py
@@ -7,11 +7,10 @@
 from modoboa.core import load_core_settings
 from modoboa.core.models import User
 from modoboa.core.extensions import exts_pool
-from modoboa.core.management.commands import CloseConnectionMixin
 from ...models import Alias
 
 
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
     help = 'Export identities (mailbox and aliases) to a csv'
 
     option_list = BaseCommand.option_list + (
diff --git a/modoboa/admin/management/commands/handle_mailbox_operations.py b/modoboa/admin/management/commands/handle_mailbox_operations.py
index 6ba7daa2a..c2a8dee7b 100644
--- a/modoboa/admin/management/commands/handle_mailbox_operations.py
+++ b/modoboa/admin/management/commands/handle_mailbox_operations.py
@@ -5,7 +5,6 @@
 
 from django.core.management.base import BaseCommand
 
-from modoboa.core.management.commands import CloseConnectionMixin
 from modoboa.lib import parameters
 from modoboa.lib.sysutils import exec_cmd
 from modoboa.lib.exceptions import InternalError
@@ -18,7 +17,7 @@ class OperationError(Exception):
     pass
 
 
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
     help = 'Handles rename and delete operations on mailboxes'
 
     option_list = BaseCommand.option_list + (
diff --git a/modoboa/admin/management/commands/import_domains.py b/modoboa/admin/management/commands/import_domains.py
index a4669da14..aafbbe2ef 100644
--- a/modoboa/admin/management/commands/import_domains.py
+++ b/modoboa/admin/management/commands/import_domains.py
@@ -5,12 +5,11 @@
 
 from modoboa.core import load_core_settings
 from modoboa.core.extensions import exts_pool
-from modoboa.core.management.commands import CloseConnectionMixin
 
 from ._import import import_csv
 
 
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
     args = 'csvfile'
     help = 'Import domains and domain aliases from a csv file'
 
diff --git a/modoboa/admin/management/commands/import_identities.py b/modoboa/admin/management/commands/import_identities.py
index 1cf710bd7..28487bc61 100644
--- a/modoboa/admin/management/commands/import_identities.py
+++ b/modoboa/admin/management/commands/import_identities.py
@@ -4,12 +4,11 @@
 
 from modoboa.core import load_core_settings
 from modoboa.core.extensions import exts_pool
-from modoboa.core.management.commands import CloseConnectionMixin
 
 from ._import import import_csv
 
 
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
     args = 'csvfile'
     help = 'Import identities from a csv file'
 
diff --git a/modoboa/admin/models/domain.py b/modoboa/admin/models/domain.py
index 3021e7281..848e0cf06 100644
--- a/modoboa/admin/models/domain.py
+++ b/modoboa/admin/models/domain.py
@@ -22,8 +22,8 @@ def get_for_admin(self, admin):
         to fill ``ModelChoiceField`` objects.
         """
         if admin.is_superuser:
-            return self.get_query_set()
-        return self.get_query_set().filter(owners__user=admin)
+            return self.get_queryset()
+        return self.get_queryset().filter(owners__user=admin)
 
 
 class Domain(AdminObject):
diff --git a/modoboa/admin/models/mailbox.py b/modoboa/admin/models/mailbox.py
index 275291fb5..a66dbaea2 100644
--- a/modoboa/admin/models/mailbox.py
+++ b/modoboa/admin/models/mailbox.py
@@ -66,7 +66,7 @@ def get_for_admin(self, admin, squery=None):
             qf = Q(pk__in=ids) & qf
         else:
             qf = Q(pk__in=ids)
-        return self.get_query_set().select_related().filter(qf)
+        return self.get_queryset().select_related().filter(qf)
 
 
 class Mailbox(AdminObject):
diff --git a/modoboa/admin/tests/account.py b/modoboa/admin/tests/account.py
index 1b82547e7..24397ba04 100644
--- a/modoboa/admin/tests/account.py
+++ b/modoboa/admin/tests/account.py
@@ -9,8 +9,10 @@
 
 class AccountTestCase(ModoTestCase):
 
-    def setUp(self):
-        super(AccountTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(AccountTestCase, cls).setUpTestData()
         factories.populate_database()
 
     def test_crud(self):
@@ -115,13 +117,15 @@ def test_master_user(self):
 
 class PermissionsTestCase(ModoTestCase):
 
-    def setUp(self):
-        super(PermissionsTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(PermissionsTestCase, cls).setUpTestData()
         factories.populate_database()
-        self.user = User.objects.get(username='user@test.com')
-        self.values = dict(
-            username=self.user.username, role="DomainAdmins",
-            is_active=self.user.is_active, email="user@test.com",
+        cls.user = User.objects.get(username='user@test.com')
+        cls.values = dict(
+            username=cls.user.username, role="DomainAdmins",
+            is_active=cls.user.is_active, email="user@test.com",
             quota_act=True
         )
 
diff --git a/modoboa/admin/tests/alias.py b/modoboa/admin/tests/alias.py
index d6aab928f..5e5636dfb 100644
--- a/modoboa/admin/tests/alias.py
+++ b/modoboa/admin/tests/alias.py
@@ -13,8 +13,10 @@
 
 class AliasTestCase(ModoTestCase):
 
-    def setUp(self):
-        super(AliasTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(AliasTestCase, cls).setUpTestData()
         factories.populate_database()
 
     def test_alias(self):
diff --git a/modoboa/admin/tests/domain.py b/modoboa/admin/tests/domain.py
index d175e61ba..bc909015f 100644
--- a/modoboa/admin/tests/domain.py
+++ b/modoboa/admin/tests/domain.py
@@ -16,8 +16,10 @@ class DomainTestCase(ModoTestCase):
 
     """Test case for Domain."""
 
-    def setUp(self):
-        super(DomainTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(DomainTestCase, cls).setUpTestData()
         factories.populate_database()
 
     def test_create(self):
diff --git a/modoboa/admin/tests/domain_alias.py b/modoboa/admin/tests/domain_alias.py
index f99fa32c8..38c4d5ef5 100644
--- a/modoboa/admin/tests/domain_alias.py
+++ b/modoboa/admin/tests/domain_alias.py
@@ -8,10 +8,12 @@
 
 class DomainAliasTestCase(ModoTestCase):
 
-    def setUp(self):
-        super(DomainAliasTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(DomainAliasTestCase, cls).setUpTestData()
         factories.populate_database()
-        self.dom = Domain.objects.get(name='test.com')
+        cls.dom = Domain.objects.get(name='test.com')
 
     def test_model(self):
         dom = Domain.objects.get(name="test.com")
diff --git a/modoboa/admin/tests/export.py b/modoboa/admin/tests/export.py
index f6d35d521..65801db61 100644
--- a/modoboa/admin/tests/export.py
+++ b/modoboa/admin/tests/export.py
@@ -11,14 +11,16 @@ class ExportTestCase(ModoTestCase):
 
     """Test case for export operations."""
 
-    def setUp(self):
-        super(ExportTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(ExportTestCase, cls).setUpTestData()
         factories.populate_database()
 
     def __export_identities(self, idtfilter="", grpfilter=""):
         self.clt.get(
-            reverse("admin:_identity_list")
-            + "?grpfilter=%s&idtfilter=%s" % (grpfilter, idtfilter)
+            reverse("admin:_identity_list") +
+            "?grpfilter=%s&idtfilter=%s" % (grpfilter, idtfilter)
         )
         return self.clt.post(
             reverse("admin:identity_export"),
diff --git a/modoboa/admin/tests/import_.py b/modoboa/admin/tests/import_.py
index efbb43650..5dacc52f1 100644
--- a/modoboa/admin/tests/import_.py
+++ b/modoboa/admin/tests/import_.py
@@ -11,8 +11,10 @@
 
 class ImportTestCase(ModoTestCase):
 
-    def setUp(self):
-        super(ImportTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(ImportTestCase, cls).setUpTestData()
         factories.populate_database()
 
     def test_domains_import(self):
@@ -180,7 +182,7 @@ def test_import_missing_quota(self):
         f = ContentFile(b"""
 account; user1@test.com; toto; User; One; True; SimpleUsers; user1@test.com
 """, name="identities.csv")
-        resp = self.clt.post(
+        self.clt.post(
             reverse("admin:identity_import"),
             {"sourcefile": f, "crypt_password": True}
         )
diff --git a/modoboa/admin/tests/password_schemes.py b/modoboa/admin/tests/password_schemes.py
index 605d90c64..5d3fc5a71 100644
--- a/modoboa/admin/tests/password_schemes.py
+++ b/modoboa/admin/tests/password_schemes.py
@@ -9,11 +9,16 @@
 
 
 class PasswordSchemesTestCase(ModoTestCase):
-    fixtures = ['initial_users.json']
+
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(PasswordSchemesTestCase, cls).setUpTestData()
+        factories.populate_database()
 
     def setUp(self):
+        """Test initialization."""
         super(PasswordSchemesTestCase, self).setUp()
-        factories.populate_database()
         load_core_settings()
 
     def _create_account(self):
diff --git a/modoboa/admin/views/user.py b/modoboa/admin/views/user.py
index 4c6517a99..5b8d51f70 100644
--- a/modoboa/admin/views/user.py
+++ b/modoboa/admin/views/user.py
@@ -1,3 +1,4 @@
+"""SimpleUsers views."""
 
 from django.contrib.auth.decorators import login_required
 from django.utils.translation import ugettext as _
@@ -38,9 +39,9 @@ def forward(request, tplname="admin/forward.html"):
         )
 
     form = ForwardForm()
-    if al is not None:
+    if al is not None and al.recipients:
         form.fields["dest"].initial = al.recipients
-        if al.aliasrecipient_set.filter(mailbox=mb.id).exists():
+        if al.aliasrecipient_set.filter(r_mailbox=mb.pk).exists():
             form.fields["keepcopies"].initial = True
     return render_to_json_response({
         "content": _render_to_string(request, tplname, {
diff --git a/modoboa/core/commands/templates/settings.py.tpl b/modoboa/core/commands/templates/settings.py.tpl
index b119e253d..8a3e60f91 100644
--- a/modoboa/core/commands/templates/settings.py.tpl
+++ b/modoboa/core/commands/templates/settings.py.tpl
@@ -12,7 +12,6 @@ https://docs.djangoproject.com/en/1.6/ref/settings/
 import os
 from logging.handlers import SysLogHandler
 
-from django.conf import global_settings
 {% if devmode %}
 from modoboa.core.dev_settings import *
 {% endif %}
@@ -29,14 +28,16 @@ SECRET_KEY = '{{ secret_key }}'
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = {{ devmode }}
 
-TEMPLATE_DEBUG = {{ devmode }}
-
 ALLOWED_HOSTS = [
     '{{ allowed_host }}'
 ]
 
 SITE_ID = 1
 
+# Security settings
+
+X_FRAME_OPTIONS = "DENY"
+
 # Application definition
 
 INSTALLED_APPS = (
@@ -87,9 +88,27 @@ AUTHENTICATION_BACKENDS = (
     'modoboa.lib.authbackends.SimpleBackend',
 )
 
-TEMPLATE_CONTEXT_PROCESSORS = global_settings.TEMPLATE_CONTEXT_PROCESSORS + (
-    'modoboa.core.context_processors.top_notifications',
-)
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.template.context_processors.i18n',
+                'django.template.context_processors.media',
+                'django.template.context_processors.static',
+                'django.template.context_processors.tz',
+                'django.contrib.messages.context_processors.messages',
+                'modoboa.core.context_processors.top_notifications',
+            ],
+            'debug': {{ devmode }},
+        },
+    },
+]
 
 ROOT_URLCONF = '{{ name }}.urls'
 
diff --git a/modoboa/core/management/commands/__init__.py b/modoboa/core/management/commands/__init__.py
index bcc7f3a46..e69de29bb 100644
--- a/modoboa/core/management/commands/__init__.py
+++ b/modoboa/core/management/commands/__init__.py
@@ -1,18 +0,0 @@
-"""
-Extra classes for management commands.
-"""
-
-from django.db import connection
-
-
-class CloseConnectionMixin(object):
-
-    """
-    A simple mixin used to close all database connections after
-    command execution.
-    """
-
-    def execute(self, *args, **options):
-        """Execute will call handle so we can close the connection here."""
-        super(CloseConnectionMixin, self).execute(*args, **options)
-        connection.close()
diff --git a/modoboa/core/management/commands/cleanlogs.py b/modoboa/core/management/commands/cleanlogs.py
index 26219dc38..7840615f1 100644
--- a/modoboa/core/management/commands/cleanlogs.py
+++ b/modoboa/core/management/commands/cleanlogs.py
@@ -10,10 +10,8 @@
 from modoboa.core.models import Log
 from modoboa.lib import parameters
 
-from . import CloseConnectionMixin
 
-
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
     args = ''
     help = 'Log table cleanup'
 
diff --git a/modoboa/core/management/commands/load_initial_data.py b/modoboa/core/management/commands/load_initial_data.py
index bc600ac31..1bf92aa23 100644
--- a/modoboa/core/management/commands/load_initial_data.py
+++ b/modoboa/core/management/commands/load_initial_data.py
@@ -18,10 +18,9 @@
 from modoboa.lib.permissions import add_permissions_to_group
 from modoboa.limits.app_settings import load_limits_settings
 import modoboa.relaydomains.models as relay_models
-from . import CloseConnectionMixin
 
 
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
 
     """Command defintion."""
 
diff --git a/modoboa/core/management/commands/set_default_site.py b/modoboa/core/management/commands/set_default_site.py
index 3aea3ea07..03f703267 100644
--- a/modoboa/core/management/commands/set_default_site.py
+++ b/modoboa/core/management/commands/set_default_site.py
@@ -9,10 +9,8 @@
 
 from django.contrib.sites.models import Site
 
-from . import CloseConnectionMixin
 
-
-class Command(BaseCommand, CloseConnectionMixin):
+class Command(BaseCommand):
 
     """Management command to set the default site."""
 
diff --git a/modoboa/core/tests.py b/modoboa/core/tests.py
index aaeca7d03..af5794290 100644
--- a/modoboa/core/tests.py
+++ b/modoboa/core/tests.py
@@ -8,9 +8,11 @@
 
 class ProfileTestCase(ModoTestCase):
 
-    def setUp(self):
-        super(ProfileTestCase, self).setUp()
-        self.account = factories.UserFactory(
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(ProfileTestCase, cls).setUpTestData()
+        cls.account = factories.UserFactory(
             username="user@test.com", groups=('SimpleUsers',)
         )
 
diff --git a/modoboa/lib/form_utils.py b/modoboa/lib/form_utils.py
index 4c8748fea..edb92305b 100644
--- a/modoboa/lib/form_utils.py
+++ b/modoboa/lib/form_utils.py
@@ -9,7 +9,8 @@
 from django.core.exceptions import ValidationError
 from django.forms import ChoiceField
 from django.forms.fields import CharField, Field
-from django.forms.widgets import RadioSelect, RadioInput
+from django.forms.widgets import RadioSelect
+from django.forms.widgets import RadioChoiceInput
 from django.shortcuts import render
 from django.utils.encoding import force_unicode
 from django.utils.html import conditional_escape
@@ -401,7 +402,7 @@ def clean(self, value):
         return super(DomainNameField, self).clean(value)
 
 
-class CustomRadioInput(RadioInput):
+class CustomRadioInput(RadioChoiceInput):
     def __unicode__(self):
         if 'id' in self.attrs:
             label_for = ' for="%s"' % self.attrs['id']
diff --git a/modoboa/lib/tests.py b/modoboa/lib/tests.py
index f8a410c31..08b2d486e 100644
--- a/modoboa/lib/tests.py
+++ b/modoboa/lib/tests.py
@@ -9,14 +9,19 @@
 from django.test.client import Client
 
 from modoboa.lib import parameters
+from modoboa.core import models as core_models
 
 
 class ModoTestCase(TestCase):
 
     """All test cases must inherit from this one."""
 
-    def setUp(self, username="admin", password="password"):
+    @classmethod
+    def setUpTestData(cls):
+        """Create a default user."""
         management.call_command("load_initial_data")
+
+    def setUp(self, username="admin", password="password"):
         self.clt = Client()
         self.assertEqual(
             self.clt.login(username=username, password=password), True)
@@ -66,11 +71,16 @@ class ParameterTestCase(TestCase):
     """Simple test cases for ``modoboa.lib.parameters`` module.
     """
 
+    @classmethod
+    def setUpTestData(cls):
+        super(ParameterTestCase, cls).setUpTestData()
+        cls.user = core_models.User.objects.create(username="tester")
+
     def setUp(self):
-        from modoboa.core.models import User
+        """Initialize tests."""
+        super(ParameterTestCase, self).setUp()
         parameters.register(TestParams, "Test")
         parameters.register(TestUserParams, "TestUser")
-        self.user = User.objects.create(username="tester")
 
     def test_register_form(self):
         self.assertIn("test", parameters._params['A'])
diff --git a/modoboa/limits/tests.py b/modoboa/limits/tests.py
index f797c2048..e4f4fec2d 100644
--- a/modoboa/limits/tests.py
+++ b/modoboa/limits/tests.py
@@ -14,8 +14,10 @@
 
 class PermissionsTestCase(ModoTestCase):
 
-    def setUp(self):
-        super(PermissionsTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(PermissionsTestCase, cls).setUpTestData()
         populate_database()
 
     def test_domainadmin_deletes_reseller(self):
@@ -41,13 +43,10 @@ def test_domainadmin_deletes_reseller(self):
 
 class ResourceTestCase(ModoTestCase):
 
-    def setUp(self):
-        """Custom setUp method.
-
-        The 'limits' is manually loaded to ensure extra parameters
-        provided by 'postfix_relay_domains' are properly received.
-        """
-        super(ResourceTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Custom setUpTestData method."""
+        super(ResourceTestCase, cls).setUpTestData()
         for tpl in LimitTemplates().templates:
             parameters.save_admin(
                 "DEFLT_{0}".format(tpl[0].upper()), 2,
@@ -115,11 +114,17 @@ def _check_limit(self, name, curvalue, maxvalue):
 
 class DomainAdminTestCase(ResourceTestCase):
 
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(DomainAdminTestCase, cls).setUpTestData()
+        cls.user = User.objects.get(username='admin@test.com')
+        cls.user.limitspool.set_maxvalue('mailboxes_limit', 2)
+        cls.user.limitspool.set_maxvalue('mailbox_aliases_limit', 2)
+
     def setUp(self):
+        """Test initialization."""
         super(DomainAdminTestCase, self).setUp()
-        self.user = User.objects.get(username='admin@test.com')
-        self.user.limitspool.set_maxvalue('mailboxes_limit', 2)
-        self.user.limitspool.set_maxvalue('mailbox_aliases_limit', 2)
         self.clt.logout()
         self.clt.login(username='admin@test.com', password='toto')
 
@@ -168,11 +173,17 @@ def test_aliases_limit_through_account_form(self):
 
 class ResellerTestCase(ResourceTestCase):
 
-    def setUp(self):
-        super(ResellerTestCase, self).setUp()
-        self.user = UserFactory.create(
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(ResellerTestCase, cls).setUpTestData()
+        cls.user = UserFactory.create(
             username='reseller', groups=('Resellers',)
         )
+
+    def setUp(self):
+        """Test initialization."""
+        super(ResellerTestCase, self).setUp()
         self.clt.logout()
         self.clt.login(username='reseller', password='toto')
 
diff --git a/modoboa/relaydomains/models.py b/modoboa/relaydomains/models.py
index 751328718..b0a33c908 100644
--- a/modoboa/relaydomains/models.py
+++ b/modoboa/relaydomains/models.py
@@ -11,19 +11,6 @@
 from modoboa.lib.exceptions import BadRequest
 
 
-class RelayDomainManager(Manager):
-
-    def get_for_admin(self, admin):
-        """Return the relay domains belonging to this admin.
-
-        The result is a ``QuerySet`` object, so this function can be used
-        to fill ``ModelChoiceField`` objects.
-        """
-        if admin.is_superuser:
-            return self.get_query_set()
-        return self.get_query_set().filter(owners__user=admin)
-
-
 class ServiceManager(Manager):
 
     def load_from_master_cf(self):
@@ -91,8 +78,6 @@ class RelayDomain(admin_models.AdminObject):
         default=False
     )
 
-    objects = RelayDomainManager()
-
     class Meta:
         ordering = ["domain__name"]
         db_table = "postfix_relay_domains_relaydomain"
diff --git a/modoboa/relaydomains/tests.py b/modoboa/relaydomains/tests.py
index e40654a45..288284ae9 100644
--- a/modoboa/relaydomains/tests.py
+++ b/modoboa/relaydomains/tests.py
@@ -57,14 +57,16 @@ def _check_limit(self, name, curvalue, maxvalue):
 
 class RelayDomainsTestCase(ModoTestCase, Operations):
 
-    def setUp(self):
-        super(RelayDomainsTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(RelayDomainsTestCase, cls).setUpTestData()
         admin_factories.populate_database()
-        self.rdom = RelayDomainFactory(domain__name='relaydomain.tld')
+        cls.rdom = RelayDomainFactory(domain__name='relaydomain.tld')
         admin_factories.DomainAliasFactory(
-            name='relaydomainalias.tld', target=self.rdom.domain)
+            name='relaydomainalias.tld', target=cls.rdom.domain)
         admin_factories.MailboxFactory(
-            domain=self.rdom.domain, address="local",
+            domain=cls.rdom.domain, address="local",
             user__username="local@relaydomain.tld",
             user__groups=("SimpleUsers", )
         )
@@ -196,16 +198,22 @@ def test_alias_on_relaydomain(self):
 
 class LimitsTestCase(ModoTestCase, Operations):
 
-    def setUp(self):
-        super(LimitsTestCase, self).setUp()
+    @classmethod
+    def setUpTestData(cls):
+        """Create test data."""
+        super(LimitsTestCase, cls).setUpTestData()
 
         for tpl in LimitTemplates().templates:
             parameters.save_admin(
                 "DEFLT_{0}".format(tpl[0].upper()), 2, app="limits"
             )
-        self.user = UserFactory.create(
+        cls.user = UserFactory.create(
             username='reseller', groups=('Resellers',)
         )
+
+    def setUp(self):
+        """Initialize test."""
+        super(LimitsTestCase, self).setUp()
         self.clt.logout()
         self.clt.login(username='reseller', password='toto')
 
diff --git a/requirements.txt b/requirements.txt
index 9f59e5205..f37d2ca7a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-django>=1.7,<1.8
-django-reversion==1.8.5
+django>=1.8,<1.9
+django-reversion==1.9.3
 dj-database-url
 pycrypto
 argparse