From 06f0b087c1caf4b7bea8ab099c5d30b14a0b19f3 Mon Sep 17 00:00:00 2001 From: Georg Lauterbach <44545919+aendeavor@users.noreply.github.com> Date: Fri, 4 Sep 2020 08:42:12 +0200 Subject: [PATCH] major refactoring for setup.sh (#1590) (#1595) * major refactoring for setup.sh (#1590) * `set -u` stopped dkim generation from defaulting * changed to bash and implemented simple error logging * fixed $VOLUME not being set and refactored README as well due to markdownlint showing (valid) complaints * setup.sh more consistent with braces, return codes, un-setting of variables and error reports and (importantly) test --- README.md | 476 +++++++++++++++++++++++++++++------------------------- setup.sh | 450 ++++++++++++++++++++++++--------------------------- 2 files changed, 464 insertions(+), 462 deletions(-) diff --git a/README.md b/README.md index d4b67147..0abb8f25 100644 --- a/README.md +++ b/README.md @@ -2,7 +2,6 @@ [![Build Status](https://travis-ci.org/tomav/docker-mailserver.svg?branch=master)](https://travis-ci.org/tomav/docker-mailserver) [![Docker Pulls](https://img.shields.io/docker/pulls/tvial/docker-mailserver.svg)](https://hub.docker.com/r/tvial/docker-mailserver/) [![Docker layers](https://images.microbadger.com/badges/image/tvial/docker-mailserver.svg)](https://microbadger.com/images/tvial/docker-mailserver) [![Github Stars](https://img.shields.io/github/stars/tomav/docker-mailserver.svg?label=github%20%E2%98%85)](https://github.com/tomav/docker-mailserver/) [![Github Stars](https://img.shields.io/github/contributors/tomav/docker-mailserver.svg)](https://github.com/tomav/docker-mailserver/) [![Github Forks](https://img.shields.io/github/forks/tomav/docker-mailserver.svg?label=github%20forks)](https://github.com/tomav/docker-mailserver/) [![Gitter](https://img.shields.io/gitter/room/tomav/docker-mailserver.svg)](https://gitter.im/tomav/docker-mailserver) - A fullstack but simple mail server (smtp, imap, antispam, antivirus...). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade. @@ -13,13 +12,13 @@ At this point we have merged the next branch based on Debian Buster into master. That means the docker image latest uses Buster. The change may break things! The following possibly breaking changes are known: + - Filebeat is removed and should be handled by another container, see [Wiki](https://github.com/tomav/docker-mailserver/wiki/). - Dovecot will be downgraded a little bit (same major version) so that we can use the official Debian version. If you want to stick to the old version a while longer, either switch to stable or to a specific version. If you run into problems, please raise issues and ask for help. Don't forget to provide details. - Includes: - [Postfix](http://www.postfix.org) with smtp or ldap auth @@ -50,11 +49,13 @@ Before you open an issue, please have a look this `README`, the [Wiki](https://g ## Requirements Recommended: + - 1 CPU - 1-2GB RAM - Swap enabled for the container Minimum: + - 1 CPU - 512MB RAM @@ -62,23 +63,21 @@ Minimum: ## Usage -#### Get latest image - - docker pull tvial/docker-mailserver:latest - -#### Get the tools +### Get the tools Download the docker-compose.yml, the .env and the setup.sh files: - curl -o setup.sh https://raw.githubusercontent.com/tomav/docker-mailserver/master/setup.sh; chmod a+x ./setup.sh +``` 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 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 +curl -o .env https://raw.githubusercontent.com/tomav/docker-mailserver/master/.env.dist - curl -o env-mailserver https://raw.githubusercontent.com/tomav/docker-mailserver/master/env-mailserver.dist +curl -o env-mailserver https://raw.githubusercontent.com/tomav/docker-mailserver/master/env-mailserver.dist +``` -#### Create a docker-compose environment +### Create a docker-compose environment - Edit the files `.env` and `env-mailserver` to your liking: - `.env` contains the configuration for docker-compose @@ -90,24 +89,35 @@ Download the docker-compose.yml, the .env and the setup.sh files: **Note:** If you want to use a bare domain (host name equals domain name) see [FAQ](https://github.com/tomav/docker-mailserver/wiki/FAQ-and-Tips#can-i-use-nakedbare-domains-no-host-name). -#### Start Container - docker-compose up -d mail +### Starting the Container -#### Create your mail accounts +``` BASH +docker-compose up -d mail +``` - ./setup.sh email add [] +### Create your mail accounts -#### Generate DKIM keys +``` BASH +./setup.sh email add [] +``` - ./setup.sh config dkim +### Generate DKIM keys + +``` BASH +./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. +### Miscellaneous + #### Restart and update the container - docker-compose down - docker pull tvial/docker-mailserver:latest - docker-compose up -d mail +``` BASH +docker-compose down +docker pull tvial/docker-mailserver:latest +docker-compose up -d mail +``` You're done! @@ -117,7 +127,7 @@ And don't forget to have a look at the remaining functions of the `setup.sh` scr If you got any problems with SPF and/or forwarding mails, give [SRS](https://github.com/roehling/postsrsd/blob/master/README.md) a try. You enable SRS by setting `ENABLE_SRS=1`. See the variable description for further information. -#### For informational purposes: +#### 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) @@ -125,12 +135,12 @@ Your config folder will be mounted in `/tmp/docker-mailserver/`. To understand h #### Exposed ports -| Protocol | Opt-in Encryption1 | Enforced Encryption | Purpose | -|----------|-------------------------------|---------------------|----------------------| -| SMTP | 25 | N/A | Transfer2 | -| ESMTP | 587 | 4653 | Submission | -| POP3 | 110 | 995 | Retrieval | -| IMAP4 | 143 | 993 | Retrieval | +| Protocol | Opt-in Encryption ¹ | Enforced Encryption | Purpose | +| :------: | :----------------------: | :-----------------: | :------------: | +| SMTP | 25 | N/A | Transfer² | +| ESMTP | 587 | 465³ | Submission | +| POP3 | 110 | 995 | Retrieval | +| IMAP4 | 143 | 993 | Retrieval | 1. A connection *may* be secured over TLS when both ends support `STARTTLS`. On ports 110, 143 and 587, `docker-mailserver` will reject a connection that cannot be secured. Port 25 is [required](https://serverfault.com/questions/623692/is-it-still-wrong-to-require-starttls-on-incoming-smtp-messages) to support insecure connections. 2. Receives email and filters for spam and viruses. For submitting outgoing mail you should prefer the submission ports(465, 587), which require authentication. Unless a relay host is configured, outgoing email will leave the server via port 25(thus outbound traffic must not be blocked by your provider or firewall). @@ -138,7 +148,9 @@ Your config folder will be mounted in `/tmp/docker-mailserver/`. To understand h See the [wiki](https://github.com/tomav/docker-mailserver/wiki) for further details and best practice advice, especially regarding security concerns. -##### Examples with just the relevant environmental variables: +### Examples + +#### Just the relevant environmental variables ```yaml version: '2' @@ -180,9 +192,9 @@ volumes: driver: local ``` -__for ldap setup__: +#### LDAP setup -```yaml +``` YAML version: '2' services: @@ -242,57 +254,61 @@ volumes: driver: local ``` -# Environment variables +## 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 +### Assignments + +#### General ##### DMS_DEBUG - - **0** => Debug disabled - - 1 => Enables debug on startup +- **0** => Debug disabled +- 1 => Enables debug on startup ##### ENABLE_CLAMAV - - **0** => Clamav is disabled - - 1 => Clamav is enabled +- **0** => Clamav is disabled +- 1 => Clamav is enabled ##### ONE_DIR - - **0** => state in default directories - - 1 => consolidate all states into a single directory (`/var/mail-state`) to allow persistence using docker volumes +- **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 +- **empty** => POP3 service disabled +- 1 => Enables POP3 service ##### ENABLE_FAIL2BAN - - **0** => fail2ban service disabled - - 1 => Enables fail2ban service +- **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 +``` BASH +cap_add: + - NET_ADMIN +``` Otherwise, `iptables` won't be able to ban IPs. ##### SMTP_ONLY - - **empty** => all daemons start - - 1 => only launch postfix smtp +- **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 you manually specify locations of your SSL certificates for non-standard cases +- **empty** => SSL disabled +- letsencrypt => Enables Let's Encrypt certificates +- custom => Enables custom certificates +- manual => Let you manually specify locations of your SSL certificates for non-standard cases - self-signed => Enables self-signed certificates - _any other value_ => SSL required, settings by default @@ -300,36 +316,41 @@ Please read [the SSL page in the wiki](https://github.com/tomav/docker-mailserve ##### TLS_LEVEL - - **empty** => modern - - modern => Enables TLSv1.2 and modern ciphers only. (default) - - intermediate => Enables TLSv1, TLSv1.1 and TLSv1.2 and broad compatibility ciphers. - - old => NOT implemented. If you really need it, then customize the TLS ciphers overriding postfix and dovecot settings [ wiki](https://github.com/tomav/docker-mailserver/wiki/ +- **empty** => modern +- modern => Enables TLSv1.2 and modern ciphers only. (default) +- intermediate => Enables TLSv1, TLSv1.1 and TLSv1.2 and broad compatibility ciphers. +- old => NOT implemented. If you really need it, then customize the TLS ciphers overriding postfix and dovecot settings [wiki](https://github.com/tomav/docker-mailserver/wiki/) ##### SPOOF_PROTECTION + Configures the handling of creating mails with forged sender addresses. - - **empty** => Mail address spoofing allowed. Any logged in user may create email messages with a forged sender address. See also [Wikipedia](https://en.wikipedia.org/wiki/Email_spoofing)(not recommended, but default for backwards compatibility reasons) - - 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. + +- **empty** => Mail address spoofing allowed. Any logged in user may create email messages with a forged sender address. See also [Wikipedia](https://en.wikipedia.org/wiki/Email_spoofing)(not recommended, but default for backwards compatibility reasons) +- 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. ##### ENABLE_SRS + 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. - - **0** => Disabled - - 1 => Enabled + +- **0** => Disabled +- 1 => Enabled ##### PERMIT_DOCKER Set different options for mynetworks option (can be overwrite in postfix-main.cf) **WARNING**: Adding the docker network's gateway to the list of trusted hosts, e.g. using the `network` or `connected-networks` option, can create an [**open relay**](https://en.wikipedia.org/wiki/Open_mail_relay), [for instance](https://github.com/tomav/docker-mailserver/issues/1405#issuecomment-590106498) if IPv6 is enabled on the host machine but not in Docker. - - **empty** => localhost only - - host => Add docker host (ipv4 only) - - network => Add the docker default bridge network (172.16.0.0/12); **WARNING**: `docker-compose` might use others (e.g. 192.168.0.0/16) use `PERMIT_DOCKER=connected-networks` in this case - - connected-networks => Add all connected docker networks (ipv4 only) + +- **empty** => localhost only +- host => Add docker host (ipv4 only) +- network => Add the docker default bridge network (172.16.0.0/12); **WARNING**: `docker-compose` might use others (e.g. 192.168.0.0/16) use `PERMIT_DOCKER=connected-networks` in this case +- connected-networks => Add all connected docker networks (ipv4 only) Note: you probably want to [set `POSTFIX_INET_PROTOCOLS=ipv4`](#postfix_inet_protocols) to make it work fine with Docker. ##### VIRUSMAILS_DELETE_DELAY Set how many days a virusmail will stay on the server before being deleted - - **empty** => 7 days +- **empty** => 7 days ##### ENABLE_POSTFIX_VIRTUAL_TRANSPORT @@ -344,7 +365,7 @@ Enabled by ENABLE_POSTFIX_VIRTUAL_TRANSPORT. Specify the final delivery of postf - **empty**: fail - `lmtp:unix:private/dovecot-lmtp` (use socket) -- `lmtps:inet::` (secure lmtp with starttls, take a look at https://sys4.de/en/blog/2014/11/17/sicheres-lmtp-mit-starttls-in-dovecot/) +- `lmtps:inet::` (secure lmtp with starttls, take a look at ) - `lmtp::2003` (use kopano as mailstore) - etc. @@ -354,7 +375,6 @@ Set the mailbox size limit for all users. If set to zero, the size will be unlim - **empty** => 0 (no limit) - ##### ENABLE_QUOTAS - **1** => Dovecot quota is enabled @@ -370,31 +390,30 @@ Set the message size limit for all users. If set to zero, the size will be unlim ##### ENABLE_MANAGESIEVE - - **empty** => Managesieve service disabled - - 1 => Enables Managesieve on port 4190 +- **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. +- **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 - +- **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. +- **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. ##### DOVECOT_MAILBOX_FORMAT - - **maildir** => uses very common Maildir format, one file contains one message - - sdbox => (experimental) uses Dovecot high-performance mailbox format, one file contains one message - - mdbox ==> (experimental) uses Dovecot high-performance mailbox format, multiple messages per file and multiple files per box +- **maildir** => uses very common Maildir format, one file contains one message +- sdbox => (experimental) uses Dovecot high-performance mailbox format, one file contains one message +- mdbox ==> (experimental) uses Dovecot high-performance mailbox format, multiple messages per file and multiple files per box This option has been added in November 2019. Using other format than Maildir is considered as experimental in docker-mailserver and should only be used for testing purpose. For more details, please refer to [Dovecot Documentation](https://wiki2.dovecot.org/MailboxFormat). @@ -404,64 +423,72 @@ This option has been added in November 2019. Using other format than Maildir is - 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 +Note: More details in -## Reports +#### Reports ##### PFLOGSUMM_TRIGGER - Enables regular pflogsumm mail reports. - - **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 regular pflogsumm mail reports. + +- **not set** => No report +- daily_cron => Daily report for the previous day +- logrotate => Full report based on the mail log when it is rotated 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. ##### PFLOGSUMM_RECIPIENT - Recipient address for pflogsumm reports. - - **not set** => Use REPORT_RECIPIENT or POSTMASTER_ADDRESS - - => Specify the recipient address(es) +Recipient address for pflogsumm reports. + +- **not set** => Use REPORT_RECIPIENT or POSTMASTER_ADDRESS +- => Specify the recipient address(es) ##### PFLOGSUMM_SENDER - From address for pflogsumm reports. - - **not set** => Use REPORT_SENDER or POSTMASTER_ADDRESS - - => Specify the sender address +From address for pflogsumm reports. + +- **not set** => Use REPORT_SENDER or POSTMASTER_ADDRESS +- => Specify the sender address ##### LOGWATCH_INTERVAL - Interval for logwatch report. - - **none** => No report is generated - - daily => Send a daily report - - weekly => Send a report every week +Interval for logwatch report. + +- **none** => No report is generated +- daily => Send a daily report +- weekly => Send a report every week ##### LOGWATCH_RECIPIENT - Recipient address for logwatch reports if they are enabled. - - **not set** => Use REPORT_RECIPIENT or POSTMASTER_ADDRESS - - => Specify the recipient address(es) +Recipient address for logwatch reports if they are enabled. + +- **not set** => Use REPORT_RECIPIENT or POSTMASTER_ADDRESS +- => Specify the recipient address(es) ##### REPORT_RECIPIENT (deprecated) - Enables a report being sent (created by pflogsumm) on a regular basis. - - **0** => Report emails are disabled unless enabled by other options - - 1 => Using POSTMASTER_ADDRESS as the recipient - - => Specify the recipient address +Enables a report being sent (created by pflogsumm) on a regular basis. + +- **0** => Report emails are disabled unless enabled by other options +- 1 => Using POSTMASTER_ADDRESS as the recipient +- => Specify the recipient address ##### REPORT_SENDER (deprecated) - Change the sending address for mail report - - **empty** => mailserver-report@hostname - - => Specify the report sender (From) address +Change the sending address for mail report + +- **empty** => mailserver-report@hostname +- => Specify the report sender (From) address ##### REPORT_INTERVAL (deprecated) - changes the interval in which logs are rotated and a report is being sent (deprecated). - - **daily** => Send a daily report - - weekly => Send a report every week - - monthly => Send a report every month +Changes the interval in which logs are rotated and 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 used to control logrotate inside the container and sent the pflogsumm report when the logs were rotated. It is still supported for backwards compatibility, but the new option LOGROTATE_INTERVAL has been added that only rotates @@ -469,10 +496,11 @@ the logs. ##### LOGROTATE_INTERVAL - Defines the interval in which the mail log is being rotated. - - **daily** => Rotate daily. - - weekly => Rotate weekly. - - monthly => Rotate monthly. +Defines the interval in which the mail log is being rotated. + +- **daily** => Rotate daily. +- weekly => Rotate weekly. +- monthly => Rotate monthly. Note that only the log inside the container is affected. The full log output is still available via `docker logs mail` (or your respective container name). @@ -482,57 +510,55 @@ Also note that by default the logs are lost when the container is recycled. To k Finally the logrotate interval **may** affect the period for generated reports. That is the case when the reports are triggered by log rotation. -## Spamassassin +#### Spamassassin ##### ENABLE_SPAMASSASSIN +- **0** => Spamassassin is disabled +- 1 => Spamassassin is enabled - - **0** => Spamassassin is disabled - - 1 => Spamassassin is enabled - -**/!\\ Spam delivery:** when Spamassassin is enabled, messages marked as spam WILL NOT BE DELIVERED. +**/!\\ Spam delivery:** when Spamassassin is enabled, messages marked as spam WILL NOT BE DELIVERED. Use `SPAMASSASSIN_SPAM_TO_INBOX=1` for receiving spam messages. ##### SPAMASSASSIN_SPAM_TO_INBOX - - - **0** => Spam messages will be bounced (_rejected_) without any notification (_dangerous_). - - 1 => Spam messages will be delivered to the inbox and tagged as spam using `SA_SPAM_SUBJECT`. +- **0** => Spam messages will be bounced (_rejected_) without any notification (_dangerous_). +- 1 => Spam messages will be delivered to the inbox and tagged as spam using `SA_SPAM_SUBJECT`. ##### MOVE_SPAM_TO_JUNK - - **1** => Spam messages will be delivered in the `Junk` folder. - - 0 => Spam messages will be delivered in the mailbox. +- **1** => Spam messages will be delivered in the `Junk` folder. +- 0 => Spam messages will be delivered in the mailbox. Note: this setting needs `SPAMASSASSIN_SPAM_TO_INBOX=1` ##### SA_TAG - - **2.0** => add spam info headers if at, or above that level +- **2.0** => add spam info headers if at, or above that level Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1` ##### SA_TAG2 - - **6.31** => add 'spam detected' headers at that level +- **6.31** => add 'spam detected' headers at that level Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1` ##### SA_KILL - - **6.31** => triggers spam evasive actions +- **6.31** => triggers spam evasive actions Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1`. By default, the mailserver is configured to quarantine spam emails. If emails are quarantined, they are compressed and stored in a location dependent on the ONE_DIR setting above. If `ONE_DIR=1` the location is /var/mail-state/lib-amavis/virusmails/. If `ONE_DIR=0` it is /var/lib/amavis/virusmails/. These paths are inside the docker container. To inhibit this behaviour and deliver spam emails, set this to a very high value e.g. 100.0. ##### SA_SPAM_SUBJECT - - **\*\*\*SPAM\*\*\*** => add tag to subject if spam detected +- **\*\*\*SPAM\*\*\*** => add tag to subject if spam detected Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1`. Add the spamassassin score to the subject line by inserting the keyword _SCORE_: **\*\*\*SPAM(_SCORE_)\*\*\***. ##### SA_SHORTCIRCUIT_BAYES_SPAM - - **1** => will activate spamassassin short circuiting for bayes spam detection. +- **1** => will activate spamassassin short circuiting for bayes spam detection. This will uncomment the respective line in ```/etc/spamassasin/local.cf``` @@ -540,71 +566,73 @@ Note: activate this only if you are confident in your bayes database for identif ##### SA_SHORTCIRCUIT_BAYES_HAM - - **1** => will activate spamassassin short circuiting for bayes ham detection +- **1** => will activate spamassassin short circuiting for bayes ham detection This will uncomment the respective line in ```/etc/spamassasin/local.cf``` Note: activate this only if you are confident in your bayes database for identifying ham. -## Fetchmail +#### Fetchmail ##### ENABLE_FETCHMAIL - - **0** => `fetchmail` disabled - - 1 => `fetchmail` enabled + +- **0** => `fetchmail` disabled +- 1 => `fetchmail` enabled ##### FETCHMAIL_POLL - - **300** => `fetchmail` The number of seconds for the interval -## LDAP +- **300** => `fetchmail` The number of seconds for the interval + +#### LDAP ##### ENABLE_LDAP - - **empty** => LDAP authentification is disabled - - 1 => LDAP authentification is enabled - - NOTE: - - A second container for the ldap service is necessary (e.g. [docker-openldap](https://github.com/osixia/docker-openldap)) - - For preparing the ldap server to use in combination with this container [this](http://acidx.net/wordpress/2014/06/installing-a-mailserver-with-postfix-dovecot-sasl-ldap-roundcube/) article may be helpful +- **empty** => LDAP authentification is disabled +- 1 => LDAP authentification is enabled +- NOTE: + - A second container for the ldap service is necessary (e.g. [docker-openldap](https://github.com/osixia/docker-openldap)) + - For preparing the ldap server to use in combination with this container [this](http://acidx.net/wordpress/2014/06/installing-a-mailserver-with-postfix-dovecot-sasl-ldap-roundcube/) article may be helpful ##### LDAP_START_TLS - - **empty** => no - - yes => LDAP over TLS enabled for Postfix +- **empty** => no +- yes => LDAP over TLS enabled for Postfix ##### LDAP_SERVER_HOST - - **empty** => mail.domain.com - - => Specify the dns-name/ip-address where the ldap-server - - NOTE: 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 +- NOTE: If you going to use the mailserver in combination with docker-compose you can set the service name here ##### LDAP_SEARCH_BASE - - **empty** => ou=people,dc=domain,dc=com - - => e.g. LDAP_SEARCH_BASE=dc=mydomain,dc=local +- **empty** => ou=people,dc=domain,dc=com +- => e.g. LDAP_SEARCH_BASE=dc=mydomain,dc=local ##### LDAP_BIND_DN - - **empty** => cn=admin,dc=domain,dc=com - - => take a look at examples of SASL_LDAP_BIND_DN +- **empty** => cn=admin,dc=domain,dc=com +- => take a look at examples of SASL_LDAP_BIND_DN ##### LDAP_BIND_PW - - **empty** => admin - - => Specify the password to bind against ldap +- **empty** => admin +- => Specify the password to bind against ldap ##### LDAP_QUERY_FILTER_USER - - e.g. `(&(mail=%s)(mailEnabled=TRUE))` - - => Specify how ldap should be asked for users +- e.g. `(&(mail=%s)(mailEnabled=TRUE))` +- => Specify how ldap should be asked for users ##### LDAP_QUERY_FILTER_GROUP - - e.g. `(&(mailGroupMember=%s)(mailEnabled=TRUE))` - - => Specify how ldap should be asked for groups +- e.g. `(&(mailGroupMember=%s)(mailEnabled=TRUE))` +- => Specify how ldap should be asked for groups ##### LDAP_QUERY_FILTER_ALIAS - - e.g. `(&(mailAlias=%s)(mailEnabled=TRUE))` - - => Specify how ldap should be asked for aliases +- e.g. `(&(mailAlias=%s)(mailEnabled=TRUE))` +- => Specify how ldap should be asked for aliases ##### LDAP_QUERY_FILTER_DOMAIN @@ -613,28 +641,28 @@ Note: activate this only if you are confident in your bayes database for identif ##### DOVECOT_TLS - - **empty** => no - - yes => LDAP over TLS enabled for Dovecot +- **empty** => no +- yes => LDAP over TLS enabled for Dovecot -## Dovecot +#### Dovecot The following variables overwrite the default values for ```/etc/dovecot/dovecot-ldap.conf.ext```. ##### DOVECOT_USER_FILTER - - e.g. `(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))` +- e.g. `(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))` ##### DOVECOT_USER_ATTRS - - e.g. `homeDirectory=home,qmailUID=uid,qmailGID=gid,mailMessageStore=mail` - - => Specify the directory to dovecot attribute mapping that fits your directory structure. - - Note: This is necessary for directories that do not use the [Postfix Book Schema](test/docker-openldap/bootstrap/schema/mmc/postfix-book.schema). - - Note: The left-hand value is the directory attribute, the right hand value is the dovecot variable. - - More details on the [Dovecot Wiki](https://wiki.dovecot.org/AuthDatabase/LDAP/Userdb) +- e.g. `homeDirectory=home,qmailUID=uid,qmailGID=gid,mailMessageStore=mail` +- => Specify the directory to dovecot attribute mapping that fits your directory structure. +- Note: This is necessary for directories that do not use the [Postfix Book Schema](test/docker-openldap/bootstrap/schema/mmc/postfix-book.schema). +- Note: The left-hand value is the directory attribute, the right hand value is the dovecot variable. +- More details on the [Dovecot Wiki](https://wiki.dovecot.org/AuthDatabase/LDAP/Userdb) ##### DOVECOT_PASS_FILTER - - e.g. `(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))` +- e.g. `(&(objectClass=PostfixBookMailAccount)(uniqueIdentifier=%n))` ##### DOVECOT_PASS_ATTRS @@ -644,95 +672,95 @@ The following variables overwrite the default values for ```/etc/dovecot/dovecot - Note: The left-hand value is the directory attribute, the right hand value is the dovecot variable. - More details on the [Dovecot Wiki](https://wiki.dovecot.org/AuthDatabase/LDAP/PasswordLookups) -## Postgrey +#### Postgrey ##### ENABLE_POSTGREY - - **0** => `postgrey` is disabled - - 1 => `postgrey` is enabled +- **0** => `postgrey` is disabled +- 1 => `postgrey` is enabled ##### POSTGREY_DELAY - - **300** => greylist for N seconds +- **300** => greylist for N seconds Note: This postgrey setting needs `ENABLE_POSTGREY=1` ##### POSTGREY_MAX_AGE - - **35** => delete entries older than N days since the last time that they have been seen +- **35** => delete entries older than N days since the last time that they have been seen Note: This postgrey setting needs `ENABLE_POSTGREY=1` ##### POSTGREY_AUTO_WHITELIST_CLIENTS - - **5** => whitelist host after N successful deliveries (N=0 to disable whitelisting) +- **5** => whitelist host after N successful deliveries (N=0 to disable whitelisting) Note: This postgrey setting needs `ENABLE_POSTGREY=1` ##### POSTGREY_TEXT - - **Delayed by postgrey** => response when a mail is greylisted +- **Delayed by postgrey** => response when a mail is greylisted Note: This postgrey setting needs `ENABLE_POSTGREY=1` -## SASL Auth +#### SASL Auth ##### ENABLE_SASLAUTHD - - **0** => `saslauthd` is disabled - - 1 => `saslauthd` is enabled +- **0** => `saslauthd` is disabled +- 1 => `saslauthd` is enabled ##### SASLAUTHD_MECHANISMS - - 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 +- 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_MECH_OPTIONS - - empty => None - - e.g. with SASLAUTHD_MECHANISMS rimap you need to specify the ip-address/servername of the imap server ==> xxx.xxx.xxx.xxx +- 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_LDAP_SERVER - - empty => localhost +- empty => localhost ##### SASLAUTHD_LDAP_SSL - - empty or 0 => `ldap://` will be used - - 1 => `ldaps://` will be used +- empty or 0 => `ldap://` will be used +- 1 => `ldaps://` will be used ##### SASLAUTHD_LDAP_BIND_DN - - empty => anonymous bind - - specify an object with privileges 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 +- empty => anonymous bind +- specify an object with privileges 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_PASSWORD - - empty => anonymous bind +- empty => anonymous bind ##### SASLAUTHD_LDAP_SEARCH_BASE - - empty => Reverting to SASLAUTHD_MECHANISMS pam - - specify the search base +- empty => Reverting to SASLAUTHD_MECHANISMS pam +- specify the search base ##### SASLAUTHD_LDAP_FILTER - - empty => default filter `(&(uniqueIdentifier=%u)(mailEnabled=TRUE))` - - e.g. for active directory: `(&(sAMAccountName=%U)(objectClass=person))` - - e.g. for openldap: `(&(uid=%U)(objectClass=person))` +- empty => default filter `(&(uniqueIdentifier=%u)(mailEnabled=TRUE))` +- e.g. for active directory: `(&(sAMAccountName=%U)(objectClass=person))` +- e.g. for openldap: `(&(uid=%U)(objectClass=person))` ##### SASL_PASSWD - - **empty** => No sasl_passwd will be created - - string => `/etc/postfix/sasl_passwd` will be created with the string as password +- **empty** => No sasl_passwd will be created +- string => `/etc/postfix/sasl_passwd` will be created with the string as password -## SRS (Sender Rewriting Scheme) +#### SRS (Sender Rewriting Scheme) ##### SRS_SENDER_CLASSES @@ -742,55 +770,55 @@ you to replace both instead of just the envelope sender. [More info](https://www.mybluelinux.com/what-is-email-envelope-and-email-header/). - - **envelope_sender** => Rewrite only envelope sender address - - header_sender => Rewrite only header sender (not recommended) - - envelope_sender,header_sender => Rewrite both senders +- **envelope_sender** => Rewrite only envelope sender address +- header_sender => Rewrite only header sender (not recommended) +- envelope_sender,header_sender => Rewrite both senders ##### SRS_EXCLUDE_DOMAINS - - **empty** => Envelope sender will be rewritten for all domains - - provide comma separated list of domains to exclude from rewriting +- **empty** => Envelope sender will be rewritten for all domains +- provide comma separated list of domains to exclude from rewriting ##### SRS_SECRET - - **empty** => generated when the container is started for the first time - - provide a secret to use in base64 - - you may specify multiple keys, comma separated. the first one is used for signing and the remaining will be used for verification. this is how you rotate and expire keys - - if you have a cluster/swarm make sure the same keys are on all nodes - - example command to generate a key: `dd if=/dev/urandom bs=24 count=1 2>/dev/null | base64` +- **empty** => generated when the container is started for the first time +- provide a secret to use in base64 +- you may specify multiple keys, comma separated. the first one is used for signing and the remaining will be used for verification. this is how you rotate and expire keys +- if you have a cluster/swarm make sure the same keys are on all nodes +- example command to generate a key: `dd if=/dev/urandom bs=24 count=1 2>/dev/null | base64` ##### SRS_DOMAINNAME - - **empty** => Derived from OVERRIDE_HOSTNAME, DOMAINNAME, or the container's hostname - - Set this if auto-detection fails, isn't what you want, or you wish to have a separate container handle DSNs +- **empty** => Derived from OVERRIDE_HOSTNAME, DOMAINNAME, or the container's hostname +- Set this if auto-detection fails, isn't what you want, or you wish to have a separate container handle DSNs -## Default Relay Host +#### Default Relay Host #### DEFAULT_RELAY_HOST - - **empty** => don't set default relayhost setting in main.cf - - default host and port to relay all mail through. +- **empty** => don't set default relayhost setting in main.cf +- default host and port to relay all mail through. Format: `[example.com]:587` (don't forget the brackets if you need this to be compatible with `$RELAY_USER` and `$RELAY_PASSWORD`, explained below). -## Multi-domain Relay Hosts +#### Multi-domain Relay Hosts #### RELAY_HOST - - **empty** => don't configure relay host - - default host to relay mail through +- **empty** => don't configure relay host +- default host to relay mail through #### RELAY_PORT - - **empty** => 25 - - default port to relay mail through +- **empty** => 25 +- default port to relay mail through #### RELAY_USER - - **empty** => no default - - default relay username (if no specific entry exists in postfix-sasl-password.cf) +- **empty** => no default +- default relay username (if no specific entry exists in postfix-sasl-password.cf) #### RELAY_PASSWORD - - **empty** => no default - - password for default relay user +- **empty** => no default +- password for default relay user diff --git a/setup.sh b/setup.sh index ac2d7e29..1c943af4 100755 --- a/setup.sh +++ b/setup.sh @@ -1,68 +1,70 @@ -#!/bin/sh +#!/bin/bash -## -# Wrapper for various setup scripts included in the docker-mailserver -# +# Wrapper for various setup scripts +# included in the docker-mailserver +set -euEo pipefail +trap '_report_err $_ $LINENO $?' ERR + +function _report_err() +{ + echo "ERROR occured :: source (hint) $1 ; line $2 ; exit code $3 ;;" >&2 + _unset_vars +} + +function _unset_vars() +{ + unset CDIR CRI INFO IMAGE_NAME CONTAINER_NAME DEFAULT_CONFIG_PATH + unset USE_CONTAINER WISHED_CONFIG_PATH CONFIG_PATH VOLUME USE_TTY +} + +CDIR="$(cd "$(dirname "$(readlink -f "$0")")" && pwd)" CRI= +INFO= +IMAGE_NAME= +CONTAINER_NAME='mail' +DEFAULT_CONFIG_PATH="$CDIR/config" +USE_CONTAINER=false +WISHED_CONFIG_PATH= +CONFIG_PATH= +VOLUME= +USE_TTY= -_check_root() { - if [[ $EUID -ne 0 ]]; then +function _check_root() +{ + if [[ $EUID -ne 0 ]] + then echo "Curently docker-mailserver doesn't support podman's rootless mode, please run this script as root user." - exit 1 + return 1 fi } -if [ -z "$CRI" ]; then - if [ ! -z "$(command -v docker)" ]; then - CRI=docker - elif [ ! -z "$(command -v podman)" ]; then - CRI=podman - _check_root - else - echo "No Support Container Runtime Interface Detected." - exit 1 - fi -fi - -INFO=$($CRI ps \ - --no-trunc \ - --format "{{.Image}};{{.Names}}" \ - --filter label=org.label-schema.name="docker-mailserver" | \ - tail -1) - -IMAGE_NAME=${INFO%;*} -CONTAINER_NAME=${INFO#*;} -DEFAULT_CONFIG_PATH="$(pwd)/config" -USE_CONTAINER=false - -_update_config_path() { - if [ ! -z "$CONTAINER_NAME" ]; then - VOLUME=$(docker inspect $CONTAINER_NAME \ +function _update_config_path() +{ + if [[ -n $CONTAINER_NAME ]] + then + VOLUME=$(docker inspect "$CONTAINER_NAME" \ --format="{{range .Mounts}}{{ println .Source .Destination}}{{end}}" | \ grep "/tmp/docker-mailserver$" 2>/dev/null) fi - if [ ! -z "$VOLUME" ]; then - CONFIG_PATH=$(echo $VOLUME | awk '{print $1}') + if [[ -n $VOLUME ]] + then + CONFIG_PATH=$(echo "$VOLUME" | awk '{print $1}') fi } -if [ -z "$IMAGE_NAME" ]; then - if [ "$CRI" = "docker" ]; then - IMAGE_NAME=tvial/docker-mailserver:latest - elif [ "$CRI" = "podman" ]; then - IMAGE_NAME=docker.io/tvial/docker-mailserver:latest - fi -fi - -_inspect() { - if _docker_image_exists "$IMAGE_NAME"; then +function _inspect() +{ + if _docker_image_exists "$IMAGE_NAME" + then echo "Image: $IMAGE_NAME" else echo "Image: '$IMAGE_NAME' can’t be found." fi - if [ -n "$CONTAINER_NAME" ]; then + + if [[ -n $CONTAINER_NAME ]] + then echo "Container: $CONTAINER_NAME" echo "Config mount: $CONFIG_PATH" else @@ -70,7 +72,8 @@ _inspect() { fi } -_usage() { +function _usage() +{ echo "Usage: $0 [-i IMAGE_NAME] [-c CONTAINER_NAME] [args] OPTIONS: @@ -121,226 +124,197 @@ SUBCOMMANDS: $0 debug inspect $0 debug login " - exit 1 + + return 1 } -_docker_image_exists() { - if ${CRI} history -q "$1" >/dev/null 2>&1; then +function _docker_image_exists() +{ + if $CRI history -q "$1" >/dev/null 2>&1 + then return 0 else return 1 fi } -if tty -s ; then - USE_TTY="-ti" -fi - -_docker_image() { - if [ "$USE_CONTAINER" = true ]; then - # Reuse existing container specified on command line - ${CRI} exec ${USE_TTY} "$CONTAINER_NAME" "$@" +function _docker_image() +{ + if $USE_CONTAINER + then + # reuse existing container specified on command line + $CRI exec "$USE_TTY" "$CONTAINER_NAME" "$@" else - # Start temporary container with specified image - if ! _docker_image_exists "$IMAGE_NAME"; then + # start temporary container with specified image + if ! _docker_image_exists "$IMAGE_NAME" + then echo "Image '$IMAGE_NAME' not found. Pulling ..." - ${CRI} pull "$IMAGE_NAME" + $CRI pull "$IMAGE_NAME" fi - ${CRI} run \ - --rm \ + ${CRI} run --rm \ -v "$CONFIG_PATH":/tmp/docker-mailserver \ - ${USE_TTY} "$IMAGE_NAME" $@ + "$USE_TTY" "$IMAGE_NAME" "$@" fi } -_docker_container() { - if [ -n "$CONTAINER_NAME" ]; then - ${CRI} exec ${USE_TTY} "$CONTAINER_NAME" "$@" +function _docker_container() +{ + if [[ -n $CONTAINER_NAME ]] + then + $CRI exec "$USE_TTY" "$CONTAINER_NAME" "$@" else echo "The docker-mailserver is not running!" exit 1 fi } -while getopts ":c:i:p:" OPT; do - case $OPT in - c) - CONTAINER_NAME="$OPTARG" - USE_CONTAINER=true # Container specified, connect to running instance - ;; - i) - IMAGE_NAME="$OPTARG" - ;; - p) - case "$OPTARG" in - /*) - WISHED_CONFIG_PATH="$OPTARG" - ;; - *) - WISHED_CONFIG_PATH="$(pwd)/$OPTARG" - ;; - esac - if [ ! -d "$WISHED_CONFIG_PATH" ]; then - echo "Directory doesn't exist" - _usage - exit 1 - fi - ;; - \?) - echo "Invalid option: -$OPTARG" >&2 - ;; - esac -done - -if [ ! -n "$WISHED_CONFIG_PATH" ]; then - # no wished config path - _update_config_path - - if [ ! -n "$CONFIG_PATH" ]; then - CONFIG_PATH=$DEFAULT_CONFIG_PATH +function main() +{ + if [[ -n $(command -v docker) ]] + then + CRI=docker + elif [[ -n $(command -v podman) ]] + then + CRI=podman + _check_root + else + echo "No supported Container Runtime Interface detected." + exit 1 fi -else - CONFIG_PATH=$WISHED_CONFIG_PATH -fi -shift $((OPTIND-1)) + INFO=$($CRI ps \ + --no-trunc \ + --format "{{.Image}};{{.Names}}" \ + --filter label=org.label-schema.name="docker-mailserver" | \ + tail -1) -case $1 in + IMAGE_NAME=${INFO%;*} + CONTAINER_NAME=${INFO#*;} - email) - shift - case $1 in - add) - shift - _docker_image addmailuser $@ - ;; - update) - shift - _docker_image updatemailuser $@ - ;; - del) - shift - _docker_image delmailuser $@ - ;; - restrict) - shift - _docker_container restrict-access $@ - ;; - list) - _docker_image listmailuser - ;; - *) - _usage - ;; - esac - ;; + if [[ -z $IMAGE_NAME ]] + then + if [[ $CRI == "docker" ]] + then + IMAGE_NAME=tvial/docker-mailserver:latest + elif [[ $CRI == "podman" ]] + then + IMAGE_NAME=docker.io/tvial/docker-mailserver:latest + fi + fi - alias) - shift - case $1 in - add) - shift - _docker_image addalias $@ - ;; - del) - shift - _docker_image delalias $@ - ;; - list) - shift - _docker_image listalias $@ - ;; - *) + if tty -s + then + USE_TTY="-ti" + fi + + local OPTIND + while getopts ":c:i:p:" OPT + do + case $OPT in + c) CONTAINER_NAME="$OPTARG" ; USE_CONTAINER=true ;; # container specified, connect to running instance + i) IMAGE_NAME="$OPTARG" ;; + p) + case "$OPTARG" in + /*) WISHED_CONFIG_PATH="$OPTARG" ;; + * ) WISHED_CONFIG_PATH="$CDIR/$OPTARG" ;; + esac + + if [[ ! -d $WISHED_CONFIG_PATH ]] + then + echo "Directory doesn't exist" _usage - ;; - esac - ;; - - quota) - shift - case $1 in - set) - shift - _docker_image setquota $@ - ;; - del) - shift - _docker_image delquota $@ - ;; - *) - _usage - ;; - esac - ;; - - config) - shift - case $1 in - dkim) - _docker_image generate-dkim-config $2 - ;; - ssl) - _docker_image generate-ssl-certificate "$2" - ;; - *) - _usage - ;; - esac - ;; - - relay) - shift - case $1 in - add-domain) - shift - _docker_image addrelayhost $@ - ;; - add-auth) - shift - _docker_image addsaslpassword $@ - ;; - exclude-domain) - shift - _docker_image excluderelaydomain $@ - ;; - *) - _usage - ;; - esac - ;; - - debug) - shift - case $1 in - fetchmail) - _docker_image debug-fetchmail - ;; - fail2ban) - shift - _docker_container fail2ban $@ - ;; - show-mail-logs) - _docker_container cat /var/log/mail/mail.log - ;; - inspect) - _inspect - ;; - login) - shift - if [ -z "$1" ]; then - _docker_container /bin/bash - else - _docker_container /bin/bash -c "$@" + exit 1 fi ;; - *) - _usage - ;; + *) echo "Invalid option: -$OPTARG" >&2 ;; esac - ;; + done + shift $((OPTIND-1)) - *) - _usage - ;; -esac + if [[ -z $WISHED_CONFIG_PATH ]] + then + # no wished config path + _update_config_path + + if [[ -z $CONFIG_PATH ]] + then + CONFIG_PATH=$DEFAULT_CONFIG_PATH + fi + else + CONFIG_PATH=$WISHED_CONFIG_PATH + fi + + + case ${1:-} in + + email) + shift ; case ${1:-} in + add ) shift ; _docker_image addmailuser "$@" ;; + update ) shift ; _docker_image updatemailuser "$@" ;; + del ) shift ; _docker_image delmailuser "$@" ;; + restrict ) shift ; _docker_container restrict-access "$@" ;; + list ) _docker_image listmailuser ;; + * ) _usage ;; + esac + ;; + + alias) + shift ; case ${1:-} in + add ) shift ; _docker_image addalias "$@" ;; + del ) shift ; _docker_image delalias "$@" ;; + list ) shift ; _docker_image listalias "$@" ;; + * ) _usage ;; + esac + ;; + + quota) + shift ; case ${1:-} in + set ) shift ; _docker_image setquota "$@" ;; + del ) shift ; _docker_image delquota "$@" ;; + * ) _usage ;; + esac + ;; + + config) + shift ; case ${1:-} in + dkim ) _docker_image generate-dkim-config "${2:-2048}" ;; + ssl ) _docker_image generate-ssl-certificate "$2" ;; + * ) _usage ;; + esac + ;; + + relay) + shift ; case ${1:-} in + add-domain ) shift ; _docker_image addrelayhost "$@" ;; + add-auth ) shift ; _docker_image addsaslpassword "$@" ;; + exclude-domain ) shift ; _docker_image excluderelaydomain "$@" ;; + * ) _usage ;; + esac + ;; + + debug) + shift ; case ${1:-} in + fetchmail ) _docker_image debug-fetchmail ;; + fail2ban ) shift ; _docker_container fail2ban "$@" ;; + show-mail-logs ) _docker_container cat /var/log/mail/mail.log ;; + inspect ) _inspect ;; + login ) + shift + if [[ -z ${1:-''} ]] + then + _docker_container /bin/bash + else + _docker_container /bin/bash -c "$@" + fi + ;; + * ) _usage ;; + esac + ;; + + * ) _usage ;; + esac +} + +main "$@" +_unset_vars