docker-mailserver/.env.dist

# -----------------------------------------------------------------------------------------------------------------------------
# --------------------- General Settings --------------------------------------------------------------------------------------
# -----------------------------------------------------------------------------------------------------------------------------

HOSTNAME=mail
DOMAINNAME=domain.com
CONTAINER_NAME=mail

# 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.
OVERRIDE_HOSTNAME=

# 0 => Debug disabled
# 1 => Enables debug on startup
DMS_DEBUG=0

# 0 => mail state in default directories
# 1 => consolidate all states into a single directory (`/var/mail-state`) to allow persistence using docker volumes
ONE_DIR=0

# empty => postmaster@domain.com
# => Specify the postmaster address
POSTMASTER_ADDRESS=
  
# Set different options for mynetworks option (can be overwrite in postfix-main.cf)
# empty => localhost only
# host => Add docker host (ipv4 only)
# network => Add all docker containers (ipv4 only)
PERMIT_DOCKER=

# 1 => Enables POP3 service
# empty => disables POP3
ENABLE_POP3=
ENABLE_CLAMAV=0

# 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 wiki](https://github.com/tomav/docker-mailserver/wiki/Configure-SSL) for more information.
# empty => SSL disabled
# letsencrypt => Enables Let's Encrypt certificates
# custom => Enables custom certificates
# manual => Let's you manually specify locations of your SSL certificates for non-standard cases
# self-signed => Enables self-signed certificates
SSL_TYPE=

# 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 ltmp 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=

# -----------------------------------------------------------------------------------------------------------------------------
# --------------------- Spamassassin section ----------------------------------------------------------------------------------
# -----------------------------------------------------------------------------------------------------------------------------

ENABLE_SPAMASSASSIN=0

# 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=

# -----------------------------------------------------------------------------------------------------------------------------
# ---------------- 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=

# -----------------------------------------------------------------------------------------------------------------------------
# ---------------- Postgrey section -------------------------------------------------------------------------------------------
# -----------------------------------------------------------------------------------------------------------------------------

ENABLE_POSTGREY=0
# greylist for N seconds
POSTGREY_DELAY=300
# delete entries older than N days since the last time that they have been seen
POSTGREY_MAX_AGE=35
# response when a mail is greylisted
POSTGREY_TEXT=Delayed by postgrey

# -----------------------------------------------------------------------------------------------------------------------------
# ---------------- SASL section -----------------------------------------------------------------------------------------------
# -----------------------------------------------------------------------------------------------------------------------------

ENABLE_SASLAUTHD=0

# empty => pam
# `ldap` => authenticate against ldap server
# `shadow` => authenticate against local user db
# `mysql` => authenticate against mysql db
# `rimap` => authenticate against imap server
# NOTE: can be a list of mechanisms like pam ldap shadow
SASLAUTHD_MECHANISMS=

# empty => None
# e.g. with SASLAUTHD_MECHANISMS rimap you need to specify the ip-address/servername of the imap server  ==> xxx.xxx.xxx.xxx
SASLAUTHD_MECH_OPTIONS=

# empty => localhost
SASLAUTHD_LDAP_SERVER=

# empty or 0 => `ldap://` will be used
# 1 => `ldaps://` will be used
SASLAUTHD_LDAP_SSL=

# empty => anonymous bind
# specify an object with priviliges to search the directory tree
# e.g. active directory: SASLAUTHD_LDAP_BIND_DN=cn=Administrator,cn=Users,dc=mydomain,dc=net
# e.g. openldap: SASLAUTHD_LDAP_BIND_DN=cn=admin,dc=mydomain,dc=net
SASLAUTHD_LDAP_BIND_DN=

# empty => anonymous bind
SASLAUTHD_LDAP_PASSWORD=

# empty => Reverting to SASLAUTHD_MECHANISMS pam
# specify the search base
SASLAUTHD_LDAP_SEARCH_BASE=

# empty => default filter `(&(uniqueIdentifier=%u)(mailEnabled=TRUE))`
# e.g. for active directory: `(&(sAMAccountName=%U)(objectClass=person))`
# e.g. for openldap: `(&(uid=%U)(objectClass=person))`
SASLAUTHD_LDAP_FILTER=

# empty => No sasl_passwd will be created
# string => `/etc/postfix/sasl_passwd` will be created with the string as password
SASL_PASSWD=