diff --git a/host_vars/web01.l3d.space/vars.yml b/host_vars/web01.l3d.space/vars.yml
index 0cc8990..5c4ab24 100644
--- a/host_vars/web01.l3d.space/vars.yml
+++ b/host_vars/web01.l3d.space/vars.yml
@@ -86,6 +86,7 @@ nginx_sites:
   - name: 'www.c3doc.de'
   - name: 'wtf-kooperative.de'
   - name: 'www.wtf-kooperative.de'
+  - name: 'cyber.yt'
 
 acme_notification_email: "{{ _acme_notification_email }}"
 
diff --git a/roles/do1jlr.mailserver_preperation b/roles/do1jlr.mailserver_preperation
index 45cad04..1e62072 160000
--- a/roles/do1jlr.mailserver_preperation
+++ b/roles/do1jlr.mailserver_preperation
@@ -1 +1 @@
-Subproject commit 45cad04009b03f11fc901466bf690e42fc16ad19
+Subproject commit 1e620725dfca7f63ee7dfd1cf4648757ad2dd93f
diff --git a/templates/files/nginx/sites/cyber.yt_tls.conf b/templates/files/nginx/sites/cyber.yt_tls.conf
new file mode 100644
index 0000000..d5b6588
--- /dev/null
+++ b/templates/files/nginx/sites/cyber.yt_tls.conf
@@ -0,0 +1,14 @@
+server {
+        listen 443 ssl http2;
+        listen [::]:443 ssl http2;
+
+        server_name cyber.yt;
+
+        include snippets/tls_parameters_{{ site.name }}.snippet.conf;
+        include snippets/tls_certificate_{{ site.name }}.snippet.conf;
+        include snippets/logging_{{ site.name }}.snippet.conf;
+
+        location / {
+                return 418;
+        }
+}