diff --git a/.sops.yaml b/.sops.yaml
index 637cf45..bf35e44 100644
--- a/.sops.yaml
+++ b/.sops.yaml
@@ -13,18 +13,9 @@ keys:
       - &admin_gpg_lilly D2E9C0807BF681F5E164DAFC5EE1B61CD90954CD
       - &admin_gpg_langoor 878FEA3CB6A6F6E7CD80ECBE28506E3585F9F533
   hosts:
-    chaosknoten:
-      age: &host_chaosknoten_age_keys
-        - &host_netbox_ansible_pull_age_key age1ss82zwqkj438re78355p886r89csqrrfmkfp8lrrf8v23nza492qza4ey3
+    age:
+      - &host_netbox_ansible_pull_age_key age1ss82zwqkj438re78355p886r89csqrrfmkfp8lrrf8v23nza492qza4ey3
 creation_rules:
-  # group vars
-  - path_regex: inventories/chaosknoten/group_vars/all.*
-    key_groups:
-      - pgp:
-          *admin_gpg_keys
-        age:
-          *host_chaosknoten_age_keys
-  # host vars
   - path_regex: inventories/chaosknoten/host_vars/cloud.*
     key_groups:
       - pgp:
@@ -79,7 +70,6 @@ creation_rules:
     key_groups:
       - pgp:
           *admin_gpg_keys
-  # general
   - key_groups:
       - pgp:
           *admin_gpg_keys
diff --git a/inventories/chaosknoten/group_vars/all.sops.yaml b/inventories/chaosknoten/group_vars/all.sops.yaml
deleted file mode 100644
index 4cccea4..0000000
--- a/inventories/chaosknoten/group_vars/all.sops.yaml
+++ /dev/null
@@ -1,210 +0,0 @@
-msmtp__smtp_password: ENC[AES256_GCM,data:xcBVBTb6mfr5Ubyfga9ibKWKhrfrEEaDWD98vIbX8fl8lQ4YTovg8Ax1HTK4UQ6AkJGHq2A0D5B67KUTlp9eLw==,iv:TOp1G1LktRPj/KMCRU5CXBUsgKOqGssUvvk5oY0QnPM=,tag:SVBdDQy+fM0xeEToappP+A==,type:str]
-sops:
-  age:
-    - recipient: age1ss82zwqkj438re78355p886r89csqrrfmkfp8lrrf8v23nza492qza4ey3
-      enc: |
-        -----BEGIN AGE ENCRYPTED FILE-----
-        YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBsemRxOVROLytjZ0NJazJB
-        UnRWTmNvb0JxUnhWMGJTOTl2ZVpyYmxZbUdVCnorcTgyY1pNVzNnVWYwNkFITEZl
-        RmxrZUN4V1BRenBISDVBZ0hVelVqU0kKLS0tIDQ4QlFMajNXQzRDVWd2Skl6QkdK
-        dEZGZ21qR2ZWT21OYi8rR0svaWJkU2sKND8yz4CSMVjWtGHymzD26Nxlk6leEkCD
-        XYpGJSyvhaw6Y/oExjzuXYMDXCr/EQFpM8wpU00YA62rZ34FBsyoUA==
-        -----END AGE ENCRYPTED FILE-----
-  lastmodified: "2025-10-13T23:45:06Z"
-  mac: ENC[AES256_GCM,data:QxH4lnNyCAAEJhzbgCrq7QeLs+OAtYgwQP4oFm93NE4Fbz7/Hz2dvL/2SopOdW7nYVeb1scuG1ra+yvgzuQDhg4lcgt9eBJoBiynM3qiHBs+FtcSJoKs16I/ACAadQwClALb4E0xxwKFJI8ewMZu5BAxi5EhYbgNfnKCIbhvgWo=,iv:LRa2vX0HUBugeEAVeOqXbPsMQrfrCpyzGUGjK6+VaQc=,tag:/sfhJM8V1IYBh94ZS/TDxQ==,type:str]
-  pgp:
-    - created_at: "2025-10-13T23:43:50Z"
-      enc: |-
-        -----BEGIN PGP MESSAGE-----
-
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-        7zTsME/nRZpnCSZb97nqGsb6tnhnQLnSCwagmVRtJVi3N60TnxAm6ulizbzTLt8=
-        =d44L
-        -----END PGP MESSAGE-----
-      fp: EF643F59E008414882232C78FFA8331EEB7D6B70
-    - created_at: "2025-10-13T23:43:50Z"
-      enc: |-
-        -----BEGIN PGP MESSAGE-----
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-        UVw/rvMYRgy4ORMsIDg/ucDoPsF/oPnionQIXmY5GMVsV0VzYuWVP9Mt48+W8InS
-        XgH7xkrrQno8PqHaPc5C11eJFBxw/p92vp4Y0BwBQzcmt6sfO/kLFYO6FdQ9EQIX
-        7ncs9anVdF8Hcy44N+6u0eA1GY5IulkHbsulvW2xek7wT4IqWC6tMwVrWrpq35Q=
-        =qx+H
-        -----END PGP MESSAGE-----
-      fp: 878FEA3CB6A6F6E7CD80ECBE28506E3585F9F533
-  unencrypted_suffix: _unencrypted
-  version: 3.10.2
diff --git a/inventories/chaosknoten/group_vars/all.yaml b/inventories/chaosknoten/group_vars/all.yaml
index 3612ebc..d6cd2ce 100644
--- a/inventories/chaosknoten/group_vars/all.yaml
+++ b/inventories/chaosknoten/group_vars/all.yaml
@@ -5,11 +5,3 @@ ansible_pull__inventory: inventories/chaosknoten
 ansible_pull__playbook: playbooks/maintenance.yaml
 ansible_pull__timer_on_calendar: "*-*-* 04:00:00 Europe/Berlin"
 ansible_pull__timer_randomized_delay_sec: 30min
-
-# msmtp
-# msmtp__smtp_password is defined in the all.sops.yaml.
-msmtp__smtp_host: cow.hamburg.ccc.de
-msmtp__smtp_port: 465
-msmtp__smtp_tls_method: smtps
-msmtp__smtp_user: any@hosts.hamburg.ccc.de
-msmtp__smtp_from: "{{ inventory_hostname }}@hosts.hamburg.ccc.de"
diff --git a/inventories/chaosknoten/hosts.yaml b/inventories/chaosknoten/hosts.yaml
index 6ab1c53..c2ec49f 100644
--- a/inventories/chaosknoten/hosts.yaml
+++ b/inventories/chaosknoten/hosts.yaml
@@ -186,5 +186,3 @@ alloy_hosts:
 ansible_pull_hosts:
   hosts:
     netbox:
-msmtp_hosts:
-  hosts:
diff --git a/playbooks/deploy.yaml b/playbooks/deploy.yaml
index dc3a22d..c11a0e7 100644
--- a/playbooks/deploy.yaml
+++ b/playbooks/deploy.yaml
@@ -83,10 +83,5 @@
   roles:
     - ansible_pull
 
-- name: Ensure msmtp is setup on msmtp_hosts
-  hosts: msmtp_hosts
-  roles:
-    - msmtp
-
 - name: Run ensure_eh22_styleguide_dir Playbook
   ansible.builtin.import_playbook: ensure_eh22_styleguide_dir.yaml
diff --git a/roles/msmtp/README.md b/roles/msmtp/README.md
deleted file mode 100644
index e333527..0000000
--- a/roles/msmtp/README.md
+++ /dev/null
@@ -1,21 +0,0 @@
-# Role `msmtp`
-
-A role for setting up msmtp for mail sending.
-
-The role only supports mail servers supporting either STARTTLS or SMTPS.
-
-## Supported Distributions
-
-Should work on Debian-based distributions.
-
-## Required Arguments
-
-- `msmtp__smtp_host`: The SMTP host to use.
-- `msmtp__smtp_port`: The SMTP port to use.
-- `msmtp__smtp_tls_method`: The SMTP TLS method to use.  
-  Possible choices:
-  - `starttls`: Use STARTTLS to connect to the server.
-  - `smtps`: Use SMTPS to connect to the server.
-- `msmtp__smtp_user`: The SMTP user to use for authentication.
-- `msmtp__smtp_password`: The SMTP password to use for authentication.
-- `msmtp__smtp_from`: The SMTP from address to use when sending mails.
diff --git a/roles/msmtp/meta/argument_specs.yaml b/roles/msmtp/meta/argument_specs.yaml
deleted file mode 100644
index 84f940f..0000000
--- a/roles/msmtp/meta/argument_specs.yaml
+++ /dev/null
@@ -1,24 +0,0 @@
-argument_specs:
-  main:
-    options:
-      msmtp__smtp_host:
-        type: str
-        required: true
-      msmtp__smtp_port:
-        type: int
-        required: true
-      msmtp__smtp_tls_method:
-        type: str
-        required: true
-        choices:
-          - "starttls"
-          - "smtps"
-      msmtp__smtp_user:
-        type: str
-        required: true
-      msmtp__smtp_password:
-        type: str
-        required: true
-      msmtp__smtp_from:
-        type: str
-        required: true
diff --git a/roles/msmtp/tasks/main.yaml b/roles/msmtp/tasks/main.yaml
deleted file mode 100644
index 7689ddc..0000000
--- a/roles/msmtp/tasks/main.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-- name: ensure msmtp is installed
-  ansible.builtin.apt:
-    name: msmtp
-    state: present
-  become: true
-
-- name: ensure msmtp config for root user
-  ansible.builtin.template:
-    src: msmtprc.j2
-    dest: /root/.msmtprc
-    owner: root
-    group: root
-    mode: "0600"
-  become: true
diff --git a/roles/msmtp/templates/msmtprc.j2 b/roles/msmtp/templates/msmtprc.j2
deleted file mode 100644
index 3c4faa7..0000000
--- a/roles/msmtp/templates/msmtprc.j2
+++ /dev/null
@@ -1,17 +0,0 @@
-# ansible-managed
-
-# defaults
-defaults
-auth on
-tls on
-
-# ansible-managed-account
-account ansible-managed-account
-host {{ msmtp__smtp_host }}
-port {{ msmtp__smtp_port }}
-tls_starttls {% if msmtp__smtp_tls_method == "starttls" %}on{% else %}off{% endif +%}
-user {{ msmtp__smtp_user }}
-password {{ msmtp__smtp_password }}
-from {{ msmtp__smtp_from }}
-
-account default: ansible-managed-account