# empty => uses the `hostname` command to get the mail server's canonical hostname
# => Specify a fully-qualified domainname to serve mail for. This is used for many of the config features so if you can't set your hostname (e.g. you're in a container platform that doesn't let you) specify it in this environment variable.
# network => Add all docker containers (ipv4 only)
# connected-networks => Add all connected docker networks (ipv4 only)
PERMIT_DOCKER=
# In case you network interface differs from 'eth0', e.g. when you are using HostNetworking in Kubernetes,
# you can set NETWORK_INTERFACE to whatever interface you want. This interface will then be used.
# - **empty** => eth0
NETWORK_INTERFACE=
# empty => modern
# modern => Enables TLSv1.2 and modern ciphers only. (default)
# intermediate => Enables TLSv1, TLSv1.1 and TLSv1.2 and broad compatibility ciphers.
TLS_LEVEL=
# Configures the handling of creating mails with forged sender addresses.
#
# empty => (not recommended, but default for backwards compatibility reasons)
# Mail address spoofing allowed. Any logged in user may create email messages with a forged sender address.
# See also https://en.wikipedia.org/wiki/Email_spoofing
# 1 => (recommended) Mail spoofing denied. Each user may only send with his own or his alias addresses.
# Addresses with extension delimiters(http://www.postfix.org/postconf.5.html#recipient_delimiter) are not able to send messages.
SPOOF_PROTECTION=
# Enables the Sender Rewriting Scheme. SRS is needed if your mail server acts as forwarder. See [postsrsd](https://github.com/roehling/postsrsd/blob/master/README.md#sender-rewriting-scheme-crash-course) for further explanation.
# Amavis content filter (used for ClamAV & SpamAssassin)
# 0 => Disabled
# 1 => Enabled
ENABLE_AMAVIS=1
# If you enable Fail2Ban, don't forget to add the following lines to your `docker-compose.yml`:
# cap_add:
# - NET_ADMIN
# Otherwise, `iptables` won't be able to ban IPs.
ENABLE_FAIL2BAN=0
# 1 => Enables Managesieve on port 4190
# empty => disables Managesieve
ENABLE_MANAGESIEVE=
# **enforce** => Allow other tests to complete. Reject attempts to deliver mail with a 550 SMTP reply, and log the helo/sender/recipient information. Repeat this test the next time the client connects.
# drop => Drop the connection immediately with a 521 SMTP reply. Repeat this test the next time the client connects.
# ignore => Ignore the failure of this test. Allow other tests to complete. Repeat this test the next time the client connects. This option is useful for testing and collecting statistics without blocking mail.
POSTSCREEN_ACTION=enforce
# empty => all daemons start
# 1 => only launch postfix smtp
SMTP_ONLY=
# Please read [the SSL page in the documentation](https://docker-mailserver.github.io/docker-mailserver/edge/config/security/ssl) for more information.
# These are only supported with `SSL_TYPE=manual`.
# Provide the path to your cert and key files that you've mounted access to within the container.
SSL_CERT_PATH=
SSL_KEY_PATH=
# Optional: A 2nd certificate can be supported as fallback (dual cert support), eg ECDSA with an RSA fallback.
# Useful for additional compatibility with older MTA and MUA (eg pre-2015).
SSL_ALT_CERT_PATH=
SSL_ALT_KEY_PATH=
# Set how many days a virusmail will stay on the server before being deleted
# empty => 7 days
VIRUSMAILS_DELETE_DELAY=
# This Option is activating the Usage of POSTFIX_DAGENT to specify a lmtp client different from default dovecot socket.
# empty => disabled
# 1 => enabled
ENABLE_POSTFIX_VIRTUAL_TRANSPORT=
# Enabled by ENABLE_POSTFIX_VIRTUAL_TRANSPORT. Specify the final delivery of postfix
#
# empty => fail
# `lmtp:unix:private/dovecot-lmtp` (use socket)
# `lmtps:inet:<host>:<port>` (secure lmtp with starttls, take a look at https://sys4.de/en/blog/2014/11/17/sicheres-lmtp-mit-starttls-in-dovecot/)
# `lmtp:<kopano-host>:2003` (use kopano as mailstore)
# etc.
POSTFIX_DAGENT=
# Set the mailbox size limit for all users. If set to zero, the size will be unlimited (default).
#
# empty => 0
POSTFIX_MAILBOX_SIZE_LIMIT=
# Set the message size limit for all users. If set to zero, the size will be unlimited (not recommended!)
#
# empty => 10240000 (~10 MB)
POSTFIX_MESSAGE_SIZE_LIMIT=
# Enables regular pflogsumm mail reports.
# This is a new option. The old REPORT options are still supported for backwards compatibility. If this is not set and reports are enabled with the old options, logrotate will be used.
#
# not set => No report
# daily_cron => Daily report for the previous day
# logrotate => Full report based on the mail log when it is rotated
# Enables a report being sent (created by pflogsumm) on a regular basis. (deprecated)
# **0** => Report emails are disabled
# 1 => Using POSTMASTER_ADDRESS as the recipient
# => Specify the recipient address
REPORT_RECIPIENT=0
# Change the sending address for mail report (deprecated)
# **empty** => mailserver-report@hostname
# => Specify the report sender (From) address
REPORT_SENDER=
# Changes the interval in which a report is being sent. (deprecated)
# **daily** => Send a daily report
# weekly => Send a report every week
# monthly => Send a report every month
#
# Note: This Variable actually controls logrotate inside the container and rotates the log depending on this setting. The main log output is still available in its entirety via `docker logs mail` (Or your respective container name). If you want to control logrotation for the docker generated logfile see: [Docker Logging Drivers](https://docs.docker.com/config/containers/logging/configure/)
REPORT_INTERVAL=daily
# Choose TCP/IP protocols to use
# **all** => All possible protocols.
# ipv4 => Use only IPv4 traffic. Most likely you want this behind Docker.
# ipv6 => Use only IPv6 traffic.
#
# Note: More details in http://www.postfix.org/postconf.5.html#inet_protocols
# deliver spam messages in the inbox (eventually tagged using SA_SPAM_SUBJECT)
SPAMASSASSIN_SPAM_TO_INBOX=1
# spam messages will be moved in the Junk folder (SPAMASSASSIN_SPAM_TO_INBOX=1 required)
MOVE_SPAM_TO_JUNK=1
# add spam info headers if at, or above that level:
SA_TAG=2.0
# add 'spam detected' headers at that level
SA_TAG2=6.31
# triggers spam evasive actions
SA_KILL=6.31
# add tag to subject if spam detected
SA_SPAM_SUBJECT=***SPAM*****
# –––––––––––––––––––––––––––––––––––––––––––––––
# ––– Fetchmail Section –––––––––––––––––––––––––
# –––––––––––––––––––––––––––––––––––––––––––––––
ENABLE_FETCHMAIL=0
# The interval to fetch mail in seconds
FETCHMAIL_POLL=300
# –––––––––––––––––––––––––––––––––––––––––––––––
# ––– LDAP Section ––––––––––––––––––––––––––––––
# –––––––––––––––––––––––––––––––––––––––––––––––
# A second container for the ldap service is necessary (i.e. https://github.com/osixia/docker-openldap)
# For preparing the ldap server to use in combination with this container this article may be helpful: http://acidx.net/wordpress/2014/06/installing-a-mailserver-with-postfix-dovecot-sasl-ldap-roundcube/
# empty => LDAP authentification is disabled
# 1 => LDAP authentification is enabled
ENABLE_LDAP=
# empty => no
# yes => LDAP over TLS enabled for Postfix
LDAP_START_TLS=
# If you going to use the mailserver in combination with docker-compose you can set the service name here
# empty => mail.domain.com
# Specify the dns-name/ip-address where the ldap-server
LDAP_SERVER_HOST=
# empty => ou=people,dc=domain,dc=com
# => e.g. LDAP_SEARCH_BASE=dc=mydomain,dc=local
LDAP_SEARCH_BASE=
# empty => cn=admin,dc=domain,dc=com
# => take a look at examples of SASL_LDAP_BIND_DN
LDAP_BIND_DN=
# empty** => admin
# => Specify the password to bind against ldap
LDAP_BIND_PW=
# e.g. `"(&(mail=%s)(mailEnabled=TRUE))"`
# => Specify how ldap should be asked for users
LDAP_QUERY_FILTER_USER=
# e.g. `"(&(mailGroupMember=%s)(mailEnabled=TRUE))"`
# => Specify how ldap should be asked for groups
LDAP_QUERY_FILTER_GROUP=
# e.g. `"(&(mailAlias=%s)(mailEnabled=TRUE))"`
# => Specify how ldap should be asked for aliases
LDAP_QUERY_FILTER_ALIAS=
# e.g. `"(&(|(mail=*@%s)(mailalias=*@%s)(mailGroupMember=*@%s))(mailEnabled=TRUE))"`
# => Specify how ldap should be asked for domains
LDAP_QUERY_FILTER_DOMAIN=
# –––––––––––––––––––––––––––––––––––––––––––––––
# ––– Dovecot Section –––––––––––––––––––––––––––
# –––––––––––––––––––––––––––––––––––––––––––––––
# empty => no
# yes => LDAP over TLS enabled for Dovecot
DOVECOT_TLS=
# e.g. `"(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))"`
DOVECOT_USER_FILTER=
# e.g. `"(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))"`
DOVECOT_PASS_FILTER=
# Define the mailbox format to be used
# default is maildir, supported values are: sdbox, mdbox, maildir