diff --git a/group_vars/server b/group_vars/server
index c3d3c18..9b4ee55 100644
--- a/group_vars/server
+++ b/group_vars/server
@@ -1,3 +1,12 @@
-mta_package: "ssmtp"
-defaultSysLocation: "33104 Paderborn, Im Vogtland 49a [51.76365, 8.77816]"
-sysContact: "Me <rene@mewissen.site>"
\ No newline at end of file
+$ANSIBLE_VAULT;1.1;AES256
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diff --git a/host_vars/mail.mewissen.site.yml b/host_vars/mail.mewissen.site.yml
index 709c3f5..2549489 100644
--- a/host_vars/mail.mewissen.site.yml
+++ b/host_vars/mail.mewissen.site.yml
@@ -1,18 +1,22 @@
----
-branch: master
-
-#ansible_cron_minute: "40"
-#ssh_port: 22
-#ssh_users: "user1 user2"
-copy_ssh_priv_keys: false
-
-# platform-specific
-linode_instance: false
-microcode_amd_install: false
-microcode_intel_install: false
-proxmox_instance: false
-raspberry_pi: false
-
-# server
-unattended_upgrades: true
-sysLocation: "NBG Hetzner DC"
\ No newline at end of file
+$ANSIBLE_VAULT;1.1;AES256
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diff --git a/host_vars/mewimeet.com.yml b/host_vars/mewimeet.com.yml
index 552a800..a90105c 100644
--- a/host_vars/mewimeet.com.yml
+++ b/host_vars/mewimeet.com.yml
@@ -1,25 +1,26 @@
----
-branch: master
-hostname: mewimeet.com
-
-ansible_cron_minute: "40"
-ssh_port: 22
-ssh_users: "user1 user2"
-
-# platform-specific
-linode_instance: true
-microcode_amd_install: false
-microcode_intel_install: false
-proxmox_instance: false
-raspberry_pi: false
-preinstalled: true
-
-# server
-set_hosts: true
-unattended_upgrades: true
-web_server: true
-netdata: true
-
-# VPN
-wireguard: true
-wg_local_ip: 192.168.3.6/32
\ No newline at end of file
+$ANSIBLE_VAULT;1.1;AES256
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diff --git a/host_vars/mewimeet.de.yml b/host_vars/mewimeet.de.yml
index 8e0c3a7..2f00a1c 100644
--- a/host_vars/mewimeet.de.yml
+++ b/host_vars/mewimeet.de.yml
@@ -1,28 +1,28 @@
----
-branch: master
-hostname: mewimeet.de
-
-ansible_cron_minute: "40"
-ssh_port: 22
-ssh_users: "user1 user2"
-
-# platform-specific
-linode_instance: true
-microcode_amd_install: false
-microcode_intel_install: false
-proxmox_instance: false
-raspberry_pi: false
-preinstalled: true
-
-# server
-set_hosts: true
-unattended_upgrades: true
-web_server: true
-netdata: true
-bind: true
-unbound: true
-sysLocation: "NBG Hetzner DC"
-
-# VPN
-wireguard: true
-wg_local_ip: 192.168.3.10/24
+$ANSIBLE_VAULT;1.1;AES256
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diff --git a/host_vars/mewitoot.de.yml b/host_vars/mewitoot.de.yml
index 01e1ffb..d75da2d 100644
--- a/host_vars/mewitoot.de.yml
+++ b/host_vars/mewitoot.de.yml
@@ -1,31 +1,30 @@
----
-branch: master
-hostname: mewitoot.de
-set_hosts: True
-
-ansible_cron_minute: "40"
-ssh_port: 22
-ssh_users: "user1 user2"
-
-# platform-specific
-linode_instance: true
-microcode_amd_install: false
-microcode_intel_install: false
-proxmox_instance: false
-raspberry_pi: false
-
-# server
-unattended_upgrades: true
-web_server: true
-netdata: true
-bind: true
-unbound: true
-sysLocation: "NBG Hetzner DC"
-
-# VPN
-wireguard: true
-wg_local_ip: 192.168.3.11/24
-
-# Application
-migration: true
-mastodon_host: "{{ hostname }}"
\ No newline at end of file
+$ANSIBLE_VAULT;1.1;AES256
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