Introduce .env for docker-compose examples (Closes #815)

Introduce .env for docker-compose examples

.env.dist

@@ -0,0 +1,223 @@
+
+# -----------------------------------------------------------------------------------------------------------------------------
+# --------------------- 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=

.gitignore

@@ -1,6 +1,7 @@
 .DS_Store
 docker-compose.yml
 .idea
+.env
 test/config/empty/
 test/config/without-accounts/
 test/config/without-virtual/

README.md

@@ -50,14 +50,47 @@ Minimum:
 
     docker pull tvial/docker-mailserver:latest
 
-#### Create a `docker-compose.yml`
+#### Get the tools
 
-Adapt this file with your FQDN. Install [docker-compose](https://docs.docker.com/compose/) in the version `1.6` or higher.
+Download the docker-compose.yml, the .env and the setup.sh files:
     
-Your configs must be mounted in `/tmp/docker-mailserver/`. To understand how things work on boot, please have a look to [start-mailserver.sh](https://github.com/tomav/docker-mailserver/blob/master/target/start-mailserver.sh)
+    curl -o setup.sh https://raw.githubusercontent.com/tomav/docker-mailserver/master/setup.sh; chmod a+x ./setup.sh
+    
+    curl -o docker-compose.yml https://raw.githubusercontent.com/tomav/docker-mailserver/master/docker-compose.yml.dist
+    
+    curl -o .env https://raw.githubusercontent.com/tomav/docker-mailserver/master/.env.dist
+
+#### Create a docker-compose environment
+
+- Edit the `.env` to your liking. Adapt this file with your FQDN. 
+- Install [docker-compose](https://docs.docker.com/compose/) in the version `1.6` or higher.
+
+#### Create your mail accounts
+
+    ./setup.sh email add <email> [<password>]
+
+#### Generate DKIM keys
+
+    ./setup.sh config dkim
+
+Now the keys are generated, you can configure your DNS server by just pasting the content of `config/opendkim/keys/domain.tld/mail.txt` in your `domain.tld.hosts` zone.
+
+#### Start the container
+
+    docker-compose up -d mail
+
+You're done!
+
+And don't forget to have a look at the remaining functions of the `setup.sh` script
+
+#### For informational purposes:
+
+Your config folder will be mounted in `/tmp/docker-mailserver/`. To understand how things work on boot, please have a look at [start-mailserver.sh](https://github.com/tomav/docker-mailserver/blob/master/target/start-mailserver.sh)
 
 `restart: always` ensures that the mail server container (and ELK container when using the mail server together with ELK stack) is automatically restarted by Docker in cases like a Docker service or host restart or container exit.
 
+##### Examples with just the relevant environmental variables:
+
 ```yaml
 version: '2'
 
@@ -149,57 +182,114 @@ volumes:
     driver: local
 ```
 
-#### Create your mail accounts
+# Environment variables
-
-Don't forget to adapt MAIL_USER and MAIL_PASS to your needs
-
-    mkdir -p config
-    touch config/postfix-accounts.cf
-    docker run --rm \
-      -e MAIL_USER=user1@domain.tld \
-      -e MAIL_PASS=mypassword \
-      -ti tvial/docker-mailserver:latest \
-      /bin/sh -c 'echo "$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)"' >> config/postfix-accounts.cf
-
-#### Generate DKIM keys
-
-    docker run --rm \
-      -v "$(pwd)/config":/tmp/docker-mailserver \
-      -ti tvial/docker-mailserver:latest generate-dkim-config
-
-This generates DKIM keys for domains in configuration files. You can also generate DKIM key for a domain by using command
-
-    docker run --rm \
-      -v "$(pwd)/config":/tmp/docker-mailserver \
-      -ti tvial/docker-mailserver:latest generate-dkim-domain name_of_domain
-
-Now the keys are generated, you can configure your DNS server by just pasting the content of `config/opendkim/keys/domain.tld/mail.txt` in your `domain.tld.hosts` zone.
-
-Note: you can also manage email accounts, DKIM keys and more with the [setup.sh convenience script](https://github.com/tomav/docker-mailserver/wiki/Setup-docker-mailserver-using-the-script-setup.sh).
-
-#### Start the container
-
-    docker-compose up -d mail
-
-You're done!
-
-## Environment variables
 
 Please check [how the container starts](https://github.com/tomav/docker-mailserver/blob/master/target/start-mailserver.sh) to understand what's expected. Also if an option doesn't work as documented here, check if you are running the latest image!
 
 Value in **bold** is the default value.
 
+## General
+
 ##### DMS_DEBUG
 
   - **0** => Debug disabled
   - 1 => Enables debug on startup
 
-#### ENABLE_CLAMAV
+##### ENABLE_CLAMAV
 
   - **0** => Clamav is disabled
   - 1 => Clamav is enabled
 
-#### ENABLE_SPAMASSASSIN
+##### ONE_DIR
+
+  - **0** => state in default directories
+  - 1 => consolidate all states into a single directory (`/var/mail-state`) to allow persistence using docker volumes
+
+##### ENABLE_POP3
+
+  - **empty** => POP3 service disabled
+  - 1 => Enables POP3 service
+
+##### ENABLE_FAIL2BAN
+
+  - **0** => fail2ban service disabled
+  - 1 => Enables fail2ban service
+
+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.
+##### SMTP_ONLY
+
+  - **empty** => all daemons start
+  - 1 => only launch postfix smtp
+
+##### SSL_TYPE
+
+  - **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
+
+Please read [the SSL page in the wiki](https://github.com/tomav/docker-mailserver/wiki/Configure-SSL) for more information.
+
+##### PERMIT_DOCKER
+
+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)
+
+##### VIRUSMAILS_DELETE_DELAY
+
+Set how many days a virusmail will stay on the server before being deleted
+  - **empty** => 7 days
+
+
+##### ENABLE_POSTFIX_VIRTUAL_TRANSPORT
+
+This Option is activating the Usage of POSTFIX_DAGENT to specify a ltmp client different from default dovecot socket.
+
+- **empty** => disabled
+- 1 => enabled
+
+##### POSTFIX_DAGENT
+
+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.
+
+##### ENABLE_MANAGESIEVE
+
+  - **empty** => Managesieve service disabled
+  - 1 => Enables Managesieve on port 4190
+
+##### OVERRIDE_HOSTNAME
+
+  - **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.
+
+##### POSTMASTER_ADDRESS
+
+  - **empty** => postmaster@domain.com
+  - => Specify the postmaster address
+
+##### POSTSCREEN_ACTION
+
+  - **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.
+
+## Spamassassin
+
+##### ENABLE_SPAMASSASSIN
 
   - **0** => Spamassassin is disabled
   - 1 => Spamassassin is enabled
@@ -228,40 +318,17 @@ Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1`
 
 Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1`
 
-##### ONE_DIR
+## Fetchmail
 
-  - **0** => state in default directories
+##### ENABLE_FETCHMAIL
-  - 1 => consolidate all states into a single directory (`/var/mail-state`) to allow persistence using docker volumes
-
-##### ENABLE_POP3
-
-  - **empty** => POP3 service disabled
-  - 1 => Enables POP3 service
-
-##### ENABLE_FAIL2BAN
-
-  - **0** => fail2ban service disabled
-  - 1 => Enables fail2ban service
-
-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_MANAGESIEVE
-
-  - **empty** => Managesieve service disabled
-  - 1 => Enables Managesieve on port 4190
-
-#### ENABLE_FETCHMAIL
   - **0** => `fetchmail` disabled
   - 1 => `fetchmail` enabled
 
 ##### FETCHMAIL_POLL
   - **300** => `fetchmail` The number of seconds for the interval
 
+## LDAP
+
 ##### ENABLE_LDAP
 
   - **empty** => LDAP authentification is disabled
@@ -316,6 +383,8 @@ Otherwise, `iptables` won't be able to ban IPs.
   - **empty** => no
   - yes => LDAP over TLS enabled for Dovecot
 
+## Dovecot
+
 ##### DOVECOT_USER_FILTER
 
   - e.g. `"(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))"`
@@ -324,23 +393,9 @@ Otherwise, `iptables` won't be able to ban IPs.
 
   - e.g. `"(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))"`
 
-##### OVERRIDE_HOSTNAME
+## Postgrey
 
-  - **empty** => uses the `hostname` command to get the mail server's canonical hostname
+##### ENABLE_POSTGREY
-  - => 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.
-
-##### POSTMASTER_ADDRESS
-
-  - **empty** => postmaster@domain.com
-  - => Specify the postmaster address
-
-##### POSTSCREEN_ACTION
-
-  - **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.
-
-#### ENABLE_POSTGREY
 
   - **0** => `postgrey` is disabled
   - 1 => `postgrey` is enabled
@@ -363,6 +418,8 @@ Note: This postgrey setting needs `ENABLE_POSTGREY=1`
 
 Note: This postgrey setting needs `ENABLE_POSTGREY=1`
 
+## SASL Auth
+
 ##### ENABLE_SASLAUTHD
 
   - **0** => `saslauthd` is disabled
@@ -418,47 +475,3 @@ Note: This postgrey setting needs `ENABLE_POSTGREY=1`
   - **empty** => No sasl_passwd will be created
   - string => `/etc/postfix/sasl_passwd` will be created with the string as password
 
-##### SMTP_ONLY
-
-  - **empty** => all daemons start
-  - 1 => only launch postfix smtp
-
-##### SSL_TYPE
-
-  - **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
-
-Please read [the SSL page in the wiki](https://github.com/tomav/docker-mailserver/wiki/Configure-SSL) for more information.
-
-##### PERMIT_DOCKER
-
-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)
-
-##### VIRUSMAILS_DELETE_DELAY
-
-Set how many days a virusmail will stay on the server before being deleted
-  - **empty** => 7 days
-
-
-##### ENABLE_POSTFIX_VIRTUAL_TRANSPORT
-
-This Option is activating the Usage of POSTFIX_DAGENT to specify a ltmp client different from default dovecot socket.
-
-- **empty** => disabled
-- 1 => enabled
-
-##### POSTFIX_DAGENT
-
-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.

docker-compose.elk.yml.dist

@@ -3,9 +3,9 @@ version: '2'
 services:
   mail:
     image: tvial/docker-mailserver:latest
-    hostname: mail
+    hostname: ${HOSTNAME}
-    domainname: domain.com
+    domainname: ${DOMAINNAME}
-    container_name: mail
+    container_name: ${CONTAINER_NAME}
     links:
     - elk
     ports:
@@ -17,8 +17,54 @@ services:
     - maildata:/var/mail
     - ./config/:/tmp/docker-mailserver/
     environment:
-    - ENABLE_FAIL2BAN=1
+    - DMS_DEBUG=${DMS_DEBUG}
-    - ENABLE_ELK_FORWARDER=1
+    - ENABLE_CLAMAV=${ENABLE_CLAMAV}
+    - ONE_DIR=${ONE_DIR}
+    - ENABLE_POP3=${ENABLE_POP3}
+    - ENABLE_FAIL2BAN=${ENABLE_FAIL2BAN}
+    - ENABLE_MANAGESIEVE=${ENABLE_MANAGESIEVE}
+    - OVERRIDE_HOSTNAME=${OVERRIDE_HOSTNAME}
+    - POSTMASTER_ADDRESS=${POSTMASTER_ADDRESS}
+    - POSTSCREEN_ACTION=${POSTSCREEN_ACTION}
+    - SMTP_ONLY=${SMTP_ONLY}
+    - SSL_TYPE=${SSL_TYPE}
+    - PERMIT_DOCKER=${PERMIT_DOCKER}
+    - VIRUSMAILS_DELETE_DELAY=${VIRUSMAILS_DELETE_DELAY}
+    - ENABLE_POSTFIX_VIRTUAL_TRANSPORT=${ENABLE_POSTFIX_VIRTUAL_TRANSPORT}
+    - POSTFIX_DAGENT=${POSTFIX_DAGENT}
+    - ENABLE_SPAMASSASSIN=${ENABLE_SPAMASSASSIN}
+    - SA_TAG=${SA_TAG}
+    - SA_TAG2=${SA_TAG2}
+    - SA_KILL=${SA_KILL}
+    - SA_SPAM_SUBJECT=${SA_SPAM_SUBJECT}
+    - ENABLE_FETCHMAIL=${ENABLE_FETCHMAIL}
+    - FETCHMAIL_POLL=${FETCHMAIL_POLL}
+    - ENABLE_LDAP=${ENABLE_LDAP}
+    - LDAP_START_TLS=${LDAP_START_TLS}
+    - LDAP_SERVER_HOST=${LDAP_SERVER_HOST}
+    - LDAP_SEARCH_BASE=${LDAP_SEARCH_BASE}
+    - LDAP_BIND_DN=${LDAP_BIND_DN}
+    - LDAP_BIND_PW=${LDAP_BIND_PW}
+    - LDAP_QUERY_FILTER_USER=${LDAP_QUERY_FILTER_USER}
+    - LDAP_QUERY_FILTER_GROUP=${LDAP_QUERY_FILTER_GROUP}
+    - LDAP_QUERY_FILTER_ALIAS=${LDAP_QUERY_FILTER_ALIAS}
+    - DOVECOT_TLS=${DOVECOT_TLS}
+    - DOVECOT_USER_FILTER=${DOVECOT_USER_FILTER}
+    - DOVECOT_PASS_FILTER=${DOVECOT_PASS_FILTER}
+    - ENABLE_POSTGREY=${ENABLE_POSTGREY}
+    - POSTGREY_DELAY=${POSTGREY_DELAY}
+    - POSTGREY_MAX_AGE=${POSTGREY_MAX_AGE}
+    - POSTGREY_TEXT=${POSTGREY_TEXT}
+    - ENABLE_SASLAUTHD=${ENABLE_SASLAUTHD}
+    - SASLAUTHD_MECHANISMS=${SASLAUTHD_MECHANISMS}
+    - SASLAUTHD_MECH_OPTIONS=${SASLAUTHD_MECH_OPTIONS}
+    - SASLAUTHD_LDAP_SERVER=${SASLAUTHD_LDAP_SERVER}
+    - SASLAUTHD_LDAP_SSL=${SASLAUTHD_LDAP_SSL}
+    - SASLAUTHD_LDAP_BIND_DN=${SASLAUTHD_LDAP_BIND_DN}
+    - SASLAUTHD_LDAP_PASSWORD=${SASLAUTHD_LDAP_PASSWORD}
+    - SASLAUTHD_LDAP_SEARCH_BASE=${SASLAUTHD_LDAP_SEARCH_BASE}
+    - SASLAUTHD_LDAP_FILTER=${SASLAUTHD_LDAP_FILTER}
+    - SASL_PASSWD=${SASL_PASSWD}
     cap_add:
     - NET_ADMIN
     - SYS_PTRACE

docker-compose.yml.dist

@@ -1,11 +1,10 @@
 version: '2'
-
 services:
   mail:
     image: tvial/docker-mailserver:latest
-    hostname: mail
+    hostname: ${HOSTNAME}
-    domainname: domain.com
+    domainname: ${DOMAINNAME}
-    container_name: mail
+    container_name: ${CONTAINER_NAME}
     ports:
     - "25:25"
     - "143:143"
@@ -16,18 +15,61 @@ services:
     - mailstate:/var/mail-state
     - ./config/:/tmp/docker-mailserver/
     environment:
-    - ENABLE_SPAMASSASSIN=1
+    - DMS_DEBUG=${DMS_DEBUG}
-    - ENABLE_CLAMAV=1
+    - ENABLE_CLAMAV=${ENABLE_CLAMAV}
-    - ENABLE_FAIL2BAN=1
+    - ONE_DIR=${ONE_DIR}
-    - ONE_DIR=1
+    - ENABLE_POP3=${ENABLE_POP3}
-    - DMS_DEBUG=0
+    - ENABLE_FAIL2BAN=${ENABLE_FAIL2BAN}
+    - ENABLE_MANAGESIEVE=${ENABLE_MANAGESIEVE}
+    - OVERRIDE_HOSTNAME=${OVERRIDE_HOSTNAME}
+    - POSTMASTER_ADDRESS=${POSTMASTER_ADDRESS}
+    - POSTSCREEN_ACTION=${POSTSCREEN_ACTION}
+    - SMTP_ONLY=${SMTP_ONLY}
+    - SSL_TYPE=${SSL_TYPE}
+    - PERMIT_DOCKER=${PERMIT_DOCKER}
+    - VIRUSMAILS_DELETE_DELAY=${VIRUSMAILS_DELETE_DELAY}
+    - ENABLE_POSTFIX_VIRTUAL_TRANSPORT=${ENABLE_POSTFIX_VIRTUAL_TRANSPORT}
+    - POSTFIX_DAGENT=${POSTFIX_DAGENT}
+    - ENABLE_SPAMASSASSIN=${ENABLE_SPAMASSASSIN}
+    - SA_TAG=${SA_TAG}
+    - SA_TAG2=${SA_TAG2}
+    - SA_KILL=${SA_KILL}
+    - SA_SPAM_SUBJECT=${SA_SPAM_SUBJECT}
+    - ENABLE_FETCHMAIL=${ENABLE_FETCHMAIL}
+    - FETCHMAIL_POLL=${FETCHMAIL_POLL}
+    - ENABLE_LDAP=${ENABLE_LDAP}
+    - LDAP_START_TLS=${LDAP_START_TLS}
+    - LDAP_SERVER_HOST=${LDAP_SERVER_HOST}
+    - LDAP_SEARCH_BASE=${LDAP_SEARCH_BASE}
+    - LDAP_BIND_DN=${LDAP_BIND_DN}
+    - LDAP_BIND_PW=${LDAP_BIND_PW}
+    - LDAP_QUERY_FILTER_USER=${LDAP_QUERY_FILTER_USER}
+    - LDAP_QUERY_FILTER_GROUP=${LDAP_QUERY_FILTER_GROUP}
+    - LDAP_QUERY_FILTER_ALIAS=${LDAP_QUERY_FILTER_ALIAS}
+    - DOVECOT_TLS=${DOVECOT_TLS}
+    - DOVECOT_USER_FILTER=${DOVECOT_USER_FILTER}
+    - DOVECOT_PASS_FILTER=${DOVECOT_PASS_FILTER}
+    - ENABLE_POSTGREY=${ENABLE_POSTGREY}
+    - POSTGREY_DELAY=${POSTGREY_DELAY}
+    - POSTGREY_MAX_AGE=${POSTGREY_MAX_AGE}
+    - POSTGREY_TEXT=${POSTGREY_TEXT}
+    - ENABLE_SASLAUTHD=${ENABLE_SASLAUTHD}
+    - SASLAUTHD_MECHANISMS=${SASLAUTHD_MECHANISMS}
+    - SASLAUTHD_MECH_OPTIONS=${SASLAUTHD_MECH_OPTIONS}
+    - SASLAUTHD_LDAP_SERVER=${SASLAUTHD_LDAP_SERVER}
+    - SASLAUTHD_LDAP_SSL=${SASLAUTHD_LDAP_SSL}
+    - SASLAUTHD_LDAP_BIND_DN=${SASLAUTHD_LDAP_BIND_DN}
+    - SASLAUTHD_LDAP_PASSWORD=${SASLAUTHD_LDAP_PASSWORD}
+    - SASLAUTHD_LDAP_SEARCH_BASE=${SASLAUTHD_LDAP_SEARCH_BASE}
+    - SASLAUTHD_LDAP_FILTER=${SASLAUTHD_LDAP_FILTER}
+    - SASL_PASSWD=${SASL_PASSWD}
     cap_add:
     - NET_ADMIN
     - SYS_PTRACE
     restart: always
-
 volumes:
   maildata:
     driver: local
   mailstate:
     driver: local
+