initial mailserver config

docker-compose.yml

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+# This file is auto-generated by the Mailu configuration wizard.
+# Please read the documentation before attempting any change.
+# Generated for compose flavor
+#
+# This file was reviewed and edited by titzi
+# 2020-06-19
+
+version: '3.5'
+
+
+networks:
+  webNet:
+    external:
+      name: webNet       
+  backend:
+    driver: bridge
+    ipam:
+      driver: default
+      config:
+        - subnet: 192.168.213.0/24
+
+
+services:
+  redis:
+    image: redis:alpine
+    container_name: redis_mailu
+    networks:
+      - backend
+    restart: unless-stopped
+    volumes:
+      - ./_data_/redis:/data
+
+  db_mailu:
+    image: postgres:13-alpine
+    container_name: postgres_mailu
+    restart: unless-stopped
+    networks:
+      - backend
+    environment:
+      POSTGRES_USER: mailu
+      POSTGRES_DB: mailu
+    env_file:
+      - secret.env
+    volumes:
+      - ./_data_/db.postgres:/var/lib/postgresql/data
+
+  resolver:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}unbound:${MAILU_VERSION:-1.7}
+    env_file: mailu.env
+    restart: unless-stopped
+    networks:
+      backend:
+        ipv4_address: 192.168.213.254
+
+  front:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}nginx:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+      - webNet
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+        #- secret.env
+    logging:
+      #driver: json-file
+      driver: journald
+    expose:
+      - 80
+    ports:
+      - "25:25"
+      - "465:465"
+      - "587:587"
+      - "110:110"
+      - "995:995"
+      - "143:143"
+      - "993:993"
+    volumes:
+      - "./_data_/certs:/certs"
+      - "./_data_/overrides/nginx:/overrides"
+    environment:
+      VIRTUAL_HOST: mailu.ckris.de,mail.ckris.de,smtp.ckris.de,imap.ckris.de
+      VIRTUAL_PORT: 80
+      LETSENCRYPT_HOST: mailu.ckris.de,mail.ckris.de,smtp.ckris.de,imap.ckris.de
+      LETSENCRYPT_EMAIL: webmaster@ckris.de
+      LETSENCRYPT_RESTART_CONTAINER: 'true'
+      #LETSENCRYPT_SINGLE_DOMAIN_CERTS: 'true'
+
+  admin:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}admin:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+      - secret.env
+    volumes:
+      - "./_data_/admin:/data"
+      - "./_data_/dkim:/dkim"
+    depends_on:
+      - redis
+      - db_mailu
+
+  imap:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}dovecot:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+        #- secret.env
+    volumes:
+      - "./_data_/mail:/mail"
+      - "./_data_/overrides/dovecot:/overrides"
+    depends_on:
+      - front
+      - db_mailu
+      - redis
+
+  smtp:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}postfix:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+        #- secret.env
+    volumes:
+      - "./_data_/overrides/postfix:/overrides"
+    depends_on:
+      - front
+      - resolver
+      - redis
+    dns:
+      - 192.168.213.254
+
+  antispam:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}rspamd:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+      - secret.env
+    volumes:
+      - "./_data_/filter:/var/lib/rspamd"
+      - "./_data_/dkim:/dkim"
+      - "./_data_/overrides/rspamd:/etc/rspamd/override.d"
+    depends_on:
+      - front
+      - redis
+      - resolver
+    dns:
+      - 192.168.213.254
+
+  antivirus:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}clamav:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+      - secret.env
+    volumes:
+      - "./_data_/filter:/data"
+    depends_on:
+      - redis
+      - resolver
+      - front
+    dns:
+      - 192.168.213.254
+
+  fetchmail:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}fetchmail:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+        # - secret.env
+    depends_on:
+      - resolver
+    dns:
+      - 192.168.213.254
+
+  webmail:
+    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}roundcube:${MAILU_VERSION:-1.7}
+    networks:
+      - backend
+    restart: unless-stopped
+    env_file:
+      - mailu.env
+      - secret.env
+    volumes:
+      - "./_data_/webmail_roundcube:/data"
+    depends_on:
+      - imap
+      - front
+
+# mailu rainloop does not suport sieve filter (Server side filtering) yet
+#  webmail:
+#    image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}rainloop:${MAILU_VERSION:-1.7}
+#    networks:
+#      - backend
+#    restart: unless-stopped
+#    env_file:
+#      - mailu.env
+#      # - secret.env
+#    volumes:
+#      - "./_data_/webmail_rainloop:/data"
+#    depends_on:
+#      - imap
+#      - front
+#    #command: ["bash", "-c", 'sed -i "/^sieve_allow_raw/s/=.*/= On/" /default.ini; /start.py']

mailu.env

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+# Mailu main configuration file
+#
+# This file is autogenerated by the configuration management wizard for compose flavor.
+# For a detailed list of configuration variables, see the documentation at
+# https://mailu.io
+#
+# This file was reviewed and edited by titzi
+# 2020-06-19
+
+###################################
+# Common configuration variables
+###################################
+
+# Subnet of the docker network. This should not conflict with any networks to which your system is connected. (Internal and external!)
+SUBNET=192.168.213.0/24
+
+# Main mail domain
+# Reverse DNS Hostmaane must be part of that domain
+# Server identification for outgoing mail
+DOMAIN=ckris.de
+
+# Hostnames for this server, separated with comas
+# external server will conect to this server using this hostnames
+# Need SSL cert,  A/AAAA record -> Server IP and MX Record -> at least one of the hostnames
+#HOSTNAMES=ckris.de,mail.ckris.de,smtp.ckris.de,imap.ckris.de
+HOSTNAMES=mail.ckris.de,smtp.ckris.de,imap.ckris.de
+
+# Postmaster local part (will append the main mail domain)
+POSTMASTER=postmaster
+
+# Choose how secure connections will behave (value: letsencrypt, cert, notls, mail, mail-letsencrypt)
+TLS_FLAVOR=mail
+#TLS_FLAVOR=mail-letsencrypt
+
+# Authentication rate limit (per source IP address)
+AUTH_RATELIMIT=10/minute;100/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
+#WEBMAIL=roundcube
+#WEBMAIL=none
+
+# Dav server implementation (value: radicale, none)
+WEBDAV=none
+
+# Antivirus solution (value: clamav, none)
+ANTIVIRUS=clamav
+
+###################################
+# Mail settings
+###################################
+
+# Message size limit in bytes
+# Default: accept messages up to 50MB
+# Max attachment size will be 33% smaller
+# 100MB
+MESSAGE_SIZE_LIMIT=100000000
+
+# 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=postmaster
+DMARC_RUF=postmaster
+
+# 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
+#WEBROOT_REDIRECT=/config
+
+# Path to the admin interface if enabled
+#WEB_ADMIN=/admin
+WEB_ADMIN=/config
+
+# Path to the webmail if enabled
+WEB_WEBMAIL=/webmail
+
+# Website name
+SITENAME=CKris Mail Server
+
+# Linked Website URL
+WEBSITE=https://mailu.ckris.de
+
+
+
+###################################
+# 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
+LOG_DRIVER=journald
+
+# 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=mysql
+DB_FLAVOR=postgresql
+DB_USER=mailu
+DB_HOST=db_mailu
+DB_NAME=mailu