mailu/docs/compose/.env.dist

# Mailu main configuration file
#
# Most configuration variables can be modified through the Web interface,
# these few settings must however be configured before starting the mail
# server and require a restart upon change.

###################################
# Common configuration variables
###################################

# Set this to the path where Mailu data and configuration is stored
ROOT=/mailu

# Mailu version to run (stable, 1.0, 1.1, etc. or latest)
VERSION=stable

# Set to a randomly generated 16 bytes string
SECRET_KEY=ChangeMeChangeMe

# Address where listening ports should bind
BIND_ADDRESS4=127.0.0.1
BIND_ADDRESS6=::1

# Main mail domain
DOMAIN=mailu.io

# Hostnames for this server, separated with comas
HOSTNAMES=mail.mailu.io,alternative.mailu.io,yetanother.mailu.io

# Postmaster local part (will append the main mail domain)
POSTMASTER=admin

# Choose how secure connections will behave (value: letsencrypt, cert, notls)
TLS_FLAVOR=cert

# Authentication rate limit (per source IP address)
AUTH_RATELIMIT=10/minute;1000/hour

###################################
# Optional features
###################################

# Expose the admin interface (value: true, false)
ADMIN=false

# Choose which webmail to run if any (values: roundcube, rainloop, none)
WEBMAIL=none

# Dav server implementation (value: radicale, none)
WEBDAV=none

# Antivirus solution (value: clamav, none)
ANTIVIRUS=none

###################################
# Mail settings
###################################

# Message size limit in bytes
# Default: accept messages up to 50MB
MESSAGE_SIZE_LIMIT=50000000

# Networks granted relay permissions, make sure that you include your Docker
# internal network (default to 172.17.0.0/16)
RELAYNETS=172.16.0.0/12

# Will relay all outgoing mails if configured
RELAYHOST=

# Fetchmail delay
FETCHMAIL_DELAY=600

# Recipient delimiter, character used to delimiter localpart from custom address part
# e.g. localpart+custom@domain;tld
RECIPIENT_DELIMITER=+

# DMARC rua and ruf email
DMARC_RUA=admin
DMARC_RUF=admin

###################################
# Web settings
###################################

# 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
###################################

# 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: SHA512-CRYPT, SHA256-CRYPT, MD5-CRYPT, CRYPT)
PASSWORD_SCHEME=SHA512-CRYPT