diff --git a/modoboa_installer/scripts/base.py b/modoboa_installer/scripts/base.py
index 241d382..821cb57 100644
--- a/modoboa_installer/scripts/base.py
+++ b/modoboa_installer/scripts/base.py
@@ -115,7 +115,9 @@ class Installer(object):
             else:
                 dstname = ftpl
             src = self.get_file_path("{}.tpl".format(ftpl))
-            dst = os.path.join(self.config_dir, dstname)
+            dst = dstname
+            if not dst.startswith("/"):
+                dst = os.path.join(self.config_dir, dst)
             utils.copy_from_template(src, dst, context)
 
     def restart_daemon(self):
diff --git a/modoboa_installer/scripts/files/modoboa/crontab.tpl b/modoboa_installer/scripts/files/modoboa/crontab.tpl
new file mode 100644
index 0000000..488410c
--- /dev/null
+++ b/modoboa_installer/scripts/files/modoboa/crontab.tpl
@@ -0,0 +1,28 @@
+#
+# Modoboa specific cron jobs
+#
+PYTHON=%{venv_path}/bin/python
+INSTANCE=%{instance_path}
+
+# Operations on mailboxes
+*       *       *       *       *       %{dovecot_mailboxes_owner}   $PYTHON $INSTANCE/manage.py handle_mailbox_operations
+
+# Sessions table cleanup
+0       0       *       *       *       root    $PYTHON $INSTANCE/manage.py clearsessions
+
+# Logs table cleanup
+0       0       *       *       *       root    $PYTHON $INSTANCE/manage.py cleanlogs
+
+{% if use_amavis %}
+# Quarantine cleanup
+0       0       *       *       *       root    $PYTHON $INSTANCE/manage.py qcleanup
+
+# Notifications about pending release requests
+0       12      *       *       *       root    $PYTHON $INSTANCE/manage.py amnotify --baseurl='http://%{hostname}'
+{% endif %}
+
+# Logs parsing
+*/5    *       *       *       *       root    $PYTHON $INSTANCE/manage.py logparser &> /dev/null
+
+# Radicale rights file
+*/2    *       *       *       *        root    $PYTHON $INSTANCE/manage.py generate_rights
diff --git a/modoboa_installer/scripts/files/modoboa/sudoers.tpl b/modoboa_installer/scripts/files/modoboa/sudoers.tpl
new file mode 100644
index 0000000..450cbca
--- /dev/null
+++ b/modoboa_installer/scripts/files/modoboa/sudoers.tpl
@@ -0,0 +1 @@
+%{user} ALL=(%{dovecot_mailboxes_owner}) NOPASSWD: /usr/bin/doveadm
diff --git a/modoboa_installer/scripts/modoboa.py b/modoboa_installer/scripts/modoboa.py
index 6c4a8cd..50bad37 100644
--- a/modoboa_installer/scripts/modoboa.py
+++ b/modoboa_installer/scripts/modoboa.py
@@ -19,6 +19,10 @@ class Modoboa(base.Installer):
     packages = [
         "python-dev", "libxml2-dev", "libxslt-dev", "libjpeg-dev",
         "librrd-dev", "rrdtool"]
+    config_files = [
+        "crontab=/etc/cron.d/modoboa",
+        "sudoers=/etc/sudoers.d/modoboa",
+    ]
     with_db = True
     with_user = True