# WARNING: this file is being deprecated over the new setup utility, found at https://setup.mailu.io # 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 (1.0, 1.1, etc. or master) VERSION=master # 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 # Subnet of the docker network. This should not conflict with any networks to which your system is connected. (Internal and external!) SUBNET=192.168.203.0/24 # 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, mail, mail-letsencrypt) TLS_FLAVOR=cert # Authentication rate limit (per source IP address) AUTH_RATELIMIT=10/minute # Opt-out of statistics, replace with "True" to opt out DISABLE_STATISTICS=False ################################### # Optional features ################################### # Expose the admin interface (value: true, false) ADMIN=false # Choose which webmail to run if any (values: roundcube, snappymail, 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 # Max attachment size will be 33% smaller MESSAGE_SIZE_LIMIT=50000000 # Message rate limit for outgoing messages # This limit is per user MESSAGE_RATELIMIT=100/day # 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 # e.g. localpart+custom@domain;tld 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: gz, bz2, lz4, zstd) COMPRESSION= # change compression-level, default: 6 (value: 1-9) COMPRESSION_LEVEL= # IMAP full-text search is enabled by default. Set the following variable to off in order to disable the feature. # FULL_TEXT_SEARCH=off ################################### # 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 # Registration reCaptcha settings (warning, this has some privacy impact) # RECAPTCHA_PUBLIC_KEY= # RECAPTCHA_PRIVATE_KEY= # Domain registration, uncomment to enable # DOMAIN_REGISTRATION=true ################################### # 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 # Number of rounds used by the password hashing scheme CREDENTIAL_ROUNDS=12 # 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 whether 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