diff --git a/group_vars/all/secrets.yml b/group_vars/all/secrets.yml
index cd4f360..38e524d 100644
--- a/group_vars/all/secrets.yml
+++ b/group_vars/all/secrets.yml
@@ -1,48 +1,54 @@
 $ANSIBLE_VAULT;1.1;AES256
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diff --git a/playbook.yml b/playbook.yml
index c953aa3..b35dfba 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -24,6 +24,7 @@
       - drone
       - websites
       - ouroboros
+      - mailu
 
     smtp_host: postfix
     smtp_port: 587
@@ -32,4 +33,4 @@
     - import_role:
         name: ubuntu_base
     - import_role:
-        name: docker
\ No newline at end of file
+        name: docker
diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
index 7c97ede..3441898 100644
--- a/roles/docker/defaults/main.yml
+++ b/roles/docker/defaults/main.yml
@@ -55,3 +55,10 @@ cryptohagen_website:
 drone:
   domain: "drone.{{ base_domain }}"
   volume_folder: "{{ volume_root_folder }}/drone"
+
+mailu:
+  domain: "mail.{{ base_domain }}"
+  dns: 192.168.203.254
+  subnet: 192.168.203.0/24
+  volume_folder: "{{ volume_root_folder }}/mailu"
+
diff --git a/roles/docker/tasks/services/mailu.yml b/roles/docker/tasks/services/mailu.yml
new file mode 100644
index 0000000..a593e8b
--- /dev/null
+++ b/roles/docker/tasks/services/mailu.yml
@@ -0,0 +1,144 @@
+---
+
+- name: create mailu volume folders
+  file:
+    name: "{{ mailu.volume_folder }}/{{ volume }}"
+    state: directory
+  loop:
+    - redis
+    - certs
+    - overrides
+    - data
+    - dkim
+    - mail
+    - filter
+    - dav
+    - webmail
+  loop_control:
+    loop_var: volume
+
+- name: upload mailu.env file
+  template:
+    src: mailu.env.j2
+    dest: "{{ mailu.volume_folder}}/mailu.env"
+
+- name: run mail server containers
+  docker_service:
+    project_name: mail_server
+    pull: yes
+    definition:
+      version: '3.6'
+      services:
+        redis:
+          image: redis:alpine
+          restart: always
+          volumes:
+            - "{{ mailu.volume_folder }}/redis:/data"
+
+        postgresql:
+          image: mailu/postgresql:1.6
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          volumes:
+            - "{{ mailu.volume_folder }}/data/psql_db:/data"
+            - "{{ mailu.volume_folder }}/data/psql_backup:/backup"
+          networks:
+            - name: mailu
+
+        front:
+          image: mailu/nginx:{{ mail_server_mailu_version }}
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          environment:
+            VIRTUAL_HOST: "{{ mailu.domain }}"
+            LETSENCRYPT_HOST: "{{ mailu.domain }}"
+            LETSENCRYPT_EMAIL: "{{ letsencrypt_email }}"
+          volumes:
+            - "{{ mailu.volume_folder }}/certs:/certs"
+            - "{{ mailu.volume_folder }}/overrides/nginx:/overrides"
+          expose:
+            - "80"
+          ports:
+            - "993:993"
+            - "25:25"
+            - "587:587"
+          networks:
+            - default
+            - external_services
+
+        resolver:
+          image: mailu/unbound:{{ mail_server_mailu_version }}
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          networks:
+            default:
+              ipv4_address: "{{ mailu.dns }}"
+
+        admin:
+          image: mailu/admin:{{ mail_server_mailu_version }}
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          volumes:
+            - "{{ mailu.volume_folder }}/data:/data"
+            - "{{ mailu.volume_folder }}/dkim:/dkim"
+          depends_on:
+            - redis
+
+        imap:
+          image: mailu/dovecot:{{ mail_server_mailu_version }}
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          volumes:
+            - "{{ mailu.volume_folder }}/mail:/mail"
+            - "{{ mailu.volume_folder }}/overrides:/overrides"
+          depends_on:
+            - front
+
+        smtp:
+          image: mailu/postfix:{{ mail_server_mailu_version }}
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          volumes:
+            - "{{ mailu.volume_folder }}/overrides:/overrides"
+          depends_on:
+            - front
+            - resolver
+          dns:
+            - "{{ mailu.dns }}"
+
+        antispam:
+          image: mailu/rspamd:{{ mail_server_mailu_version }}
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          volumes:
+            - "{{ mailu.volume_folder }}/filter:/var/lib/rspamd"
+            - "{{ mailu.volume_folder }}/dkim:/dkim"
+            - "{{ mailu.volume_folder }}/overrides/rspamd:/etc/rspamd/override.d"
+          depends_on:
+            - front
+            - resolver
+          dns:
+            - "{{ mailu.dns }}"
+
+        webmail:
+          image: mailu/rainloop:1.6
+          restart: always
+          env_file: "{{ mailu.volume_folder}}/mailu.env"
+          volumes:
+            - "{{ mailu.volume_folder }}/webmail:/data"
+          depends_on:
+            - front
+            - resolver
+          dns:
+            - "{{ mailu.dns }}"
+
+      networks:
+        default:
+          driver: bridge
+          ipam:
+            driver: default
+            config:
+              - subnet: "{{ mailu.subnet }}"
+        external_services:
+          external:
+            name: external_services
diff --git a/roles/docker/templates/mailu.env b/roles/docker/templates/mailu.env
new file mode 100644
index 0000000..7e00627
--- /dev/null
+++ b/roles/docker/templates/mailu.env
@@ -0,0 +1,160 @@
+# Mailu main configuration file
+#
+# Generated for compose flavor
+#
+# This file is autogenerated by the configuration management wizard.
+# For a detailed list of configuration variables, see the documentation at
+# https://mailu.io
+
+###################################
+# Common configuration variables
+###################################
+
+# Set this to the path where Mailu data and configuration is stored
+# This variable is now set directly in `docker-compose.yml by the setup utility
+# ROOT=/mailu
+
+# Mailu version to run (1.0, 1.1, etc. or master)
+#VERSION=1.6
+
+# Set to a randomly generated 16 bytes string
+SECRET_KEY={{ mailu_secret_key }}
+
+# Address where listening ports should bind
+# This variables are now set directly in `docker-compose.yml by the setup utility
+# PUBLIC_IPV4= 127.0.0.1 (default: 127.0.0.1)
+# PUBLIC_IPV6= ::1 (default: ::1)
+
+# Subnet of the docker network. This should not conflict with any networks to which your system is connected. (Internal and external!)
+SUBNET={{ mailu.subnet }}
+
+# Main mail domain
+DOMAIN=data.coop
+
+# Hostnames for this server, separated with comas
+HOSTNAMES=nem.li,kva.li
+
+# Postmaster local part (will append the main mail domain)
+POSTMASTER=admin
+
+# Choose how secure connections will behave (value: letsencrypt, cert, notls, mail, mail-letsencrypt)
+TLS_FLAVOR=letsencrypt
+
+# Authentication rate limit (per source IP address)
+AUTH_RATELIMIT=10/minute;1000/hour
+
+# Opt-out of statistics, replace with "True" to opt out
+DISABLE_STATISTICS=False
+
+###################################
+# Optional features
+###################################
+
+# Expose the admin interface (value: true, false)
+ADMIN=true
+
+# Choose which webmail to run if any (values: roundcube, rainloop, none)
+WEBMAIL=rainloop
+
+# Dav server implementation (value: radicale, none)
+WEBDAV=radicale
+
+# Antivirus solution (value: clamav, none)
+#ANTIVIRUS=clamav
+
+#Antispam solution
+ANTISPAM=none
+
+###################################
+# Mail settings
+###################################
+
+# Message size limit in bytes
+# Default: accept messages up to 50MB
+# Max attachment size will be 33% smaller
+MESSAGE_SIZE_LIMIT=50000000
+
+# Networks granted relay permissions
+# Use this with care, all hosts in this networks will be able to send mail without authentication!
+RELAYNETS=
+
+# Will relay all outgoing mails if configured
+RELAYHOST=
+
+# Fetchmail delay
+FETCHMAIL_DELAY=600
+
+# Recipient delimiter, character used to delimiter localpart from custom address part
+RECIPIENT_DELIMITER=+
+
+# DMARC rua and ruf email
+DMARC_RUA=admin
+DMARC_RUF=admin
+
+# Welcome email, enable and set a topic and body if you wish to send welcome
+# emails to all users.
+WELCOME=false
+WELCOME_SUBJECT=Welcome to your new email account
+WELCOME_BODY=Welcome to your new email account, if you can read this, then it is configured properly!
+
+# Maildir Compression
+# choose compression-method, default: none (value: bz2, gz)
+COMPRESSION=
+# change compression-level, default: 6 (value: 1-9)
+COMPRESSION_LEVEL=
+
+###################################
+# Web settings
+###################################
+
+# Path to redirect / to
+WEBROOT_REDIRECT=/webmail
+
+# Path to the admin interface if enabled
+WEB_ADMIN=/admin
+
+# Path to the webmail if enabled
+WEB_WEBMAIL=/webmail
+
+# Website name
+SITENAME=data.coop
+
+# Linked Website URL
+WEBSITE=https://mail.data.coop
+
+
+
+###################################
+# Advanced settings
+###################################
+
+# Log driver for front service. Possible values:
+# json-file (default)
+# journald (On systemd platforms, useful for Fail2Ban integration)
+# syslog (Non systemd platforms, Fail2Ban integration. Disables `docker-compose log` for front!)
+# LOG_DRIVER=json-file
+
+# Docker-compose project name, this will prepended to containers names.
+COMPOSE_PROJECT_NAME=mailu
+
+# Default password scheme used for newly created accounts and changed passwords
+# (value: BLF-CRYPT, SHA512-CRYPT, SHA256-CRYPT, MD5-CRYPT, CRYPT)
+PASSWORD_SCHEME=BLF-CRYPT
+
+# Header to take the real ip from
+REAL_IP_HEADER=
+
+# IPs for nginx set_real_ip_from (CIDR list separated by commas)
+REAL_IP_FROM=
+
+# choose wether mailu bounces (no) or rejects (yes) mail when recipient is unknown (value: yes, no)
+REJECT_UNLISTED_RECIPIENT=
+
+# Log level threshold in start.py (value: CRITICAL, ERROR, WARNING, INFO, DEBUG, NOTSET)
+LOG_LEVEL=WARNING
+
+###################################
+# Database settings
+###################################
+DB_FLAVOR=postgresql
+DB_PW={{ postgres_passwords.mailu }}