# This file is auto-generated by the Mailu configuration wizard.
# Please read the documentation before attempting any change.
# Generated for compose flavor
 
version: ‘2.2’
 
services:
 
# External dependencies
 redis:
 image: redis:alpine
 restart: always
 volumes:
 – “/mailu/redis:/data”
 
# Core services
 front:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}nginx:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 logging:
 driver: json-file
 ports:
 – “159.203.66.253:80:80”
 – “::1:80:80”
 – “159.203.66.253:443:443”
 – “::1:443:443”
 – “159.203.66.253:25:25”
 – “::1:25:25”
 – “159.203.66.253:465:465”
 – “::1:465:465”
 – “159.203.66.253:587:587”
 – “::1:587:587”
 – “159.203.66.253:110:110”
 – “::1:110:110”
 – “159.203.66.253:995:995”
 – “::1:995:995”
 – “159.203.66.253:143:143”
 – “::1:143:143”
 – “159.203.66.253:993:993”
 – “::1:993:993”
 volumes:
 – “/mailu/certs:/certs”
 – “/mailu/overrides/nginx:/overrides”
 
 resolver:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}unbound:${MAILU_VERSION:-1.7}
 env_file: mailu.env
 restart: always
 networks:
 default:
 ipv4_address: 1.2.3.4
 
 admin:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}admin:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 volumes:
 – “/mailu/data:/data”
 – “/mailu/dkim:/dkim”
 depends_on:
 – redis
 
 imap:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}dovecot:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 volumes:
 – “/mailu/mail:/mail”
 – “/mailu/overrides:/overrides”
 depends_on:
 – front
 
 smtp:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}postfix:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 volumes:
 – “/mailu/overrides:/overrides”
 depends_on:
 – front
 – resolver
 dns:
 – 1.2.3.4
 
 antispam:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}rspamd:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 volumes:
 – “/mailu/filter:/var/lib/rspamd”
 – “/mailu/dkim:/dkim”
 – “/mailu/overrides/rspamd:/etc/rspamd/override.d”
 depends_on:
 – front
 – resolver
 dns:
 – 1.2.3.4
 
# Optional services
 antivirus:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}clamav:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 volumes:
 – “/mailu/filter:/data”
 depends_on:
 – resolver
 dns:
 – 1.2.3.4
 
 webdav:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}radicale:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 volumes:
 – “/mailu/dav:/data”
 
 fetchmail:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}fetchmail:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 depends_on:
 – resolver
 dns:
 – 1.2.3.4
 
# Webmail
 webmail:
 image: ${DOCKER_ORG:-mailu}/${DOCKER_PREFIX:-}roundcube:${MAILU_VERSION:-1.7}
 restart: always
 env_file: mailu.env
 volumes:
 – “/mailu/webmail:/data”
 depends_on:
 – imap
 
 
networks:
 default:
 driver: bridge
 ipam:
 driver: default
 config:
 – subnet: 1.2.3.0/24
Next open mailu.env

1
root@mail:/mailu# nano mailu.env
Here change the SECRET_KEY. You can generate secret key on command line itself. Also, you can do few other changes as well as per your need.

# 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
 
###################################
# Common configuration variables
###################################
 
# Set to a randomly generated 16 bytes string
SECRET_KEY=zahdieghae6Ceice
 
# Subnet of the docker network. This should not conflict with any networks to which your system is connected. (Internal and external!)
SUBNET=1.2.3.0/24
 
# Main mail domain
DOMAIN=edabosang.com
 
# Hostnames for this server, separated with comas
HOSTNAMES=mail.edabosang.com
 
# 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=True
 
###################################
# Optional features
###################################
# Expose the admin interface (value: true, false)
ADMIN=true
 
# Choose which webmail to run if any (values: roundcube, rainloop, none)
WEBMAIL=roundcube
 
# Dav server implementation (value: radicale, none)
WEBDAV=radicale
 
# 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
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=Mailu
 
# Linked Website URL
WEBSITE=https://mailu.io
 
###################################
# 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=sqlite