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---
title: Environment Variables
---
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!!! info
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Values in **bold** are the default values. If an option doesn't work as documented here, check if you are running the latest image. The current `master` branch corresponds to the image `mailserver/docker-mailserver:edge` .
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#### General
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##### OVERRIDE_HOSTNAME
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
- **empty** => uses the `hostname` command to get canonical hostname for `docker-mailserver` to use.
- => 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 (_eg: you're in a container platform that doesn't let you_) specify it via this environment variable. It will take priority over `docker run` options: `--hostname` and `--domainname` , or `docker-compose.yml` config equivalents: `hostname:` and `domainname:` .
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##### DMS_DEBUG
- **0** => Debug disabled
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- 1 => Enables debug on startup
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##### SUPERVISOR_LOGLEVEL
Here you can adjust the [log-level for Supervisor ](http://supervisord.org/logging.html#activity-log-levels ). Possible values are
- critical => Only show critical messages
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- error => Only show erroneous output
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- **warn** => Show warnings
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- info => Normal informational output
- debug => Also show debug messages
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The log-level will show everything in its class and above.
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##### ONE_DIR
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- 0 => state in default directories.
- **1** => consolidate all states into a single directory (`/var/mail-state`) to allow persistence using docker volumes. See the [related FAQ entry][docs-faq-onedir] for more information.
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##### 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 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).
Note: you probably want to [set `POSTFIX_INET_PROTOCOLS=ipv4` ](#postfix_inet_protocols ) to make it work fine with Docker.
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##### ENABLE_AMAVIS
Amavis content filter (used for ClamAV & SpamAssassin)
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- 0 => Amavis is disabled
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- **1** => Amavis is enabled
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##### AMAVIS_LOGLEVEL
[This page ](https://lists.amavis.org/pipermail/amavis-users/2011-March/000158.html ) provides information on Amavis' logging statistics.
- -1/-2/-3 => Only show errors
- **0** => Show warnings
- 1/2 => Show default informational output
- 3/4/5 => log debug information (very verbose)
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##### ENABLE_DNSBL
This enables the [zen.spamhaus.org ](https://www.spamhaus.org/zen/ ) DNS block list in postfix
and various [lists ](https://github.com/docker-mailserver/docker-mailserver/blob/f7465a50888eef909dbfc01aff4202b9c7d8bc00/target/postfix/main.cf#L58-L66 ) in postscreen.
Note: Emails will be rejected, if they don't pass the block list checks!
- **0** => DNS block lists are disabled
- 1 => DNS block lists are enabled
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##### ENABLE_CLAMAV
- **0** => Clamav is disabled
- 1 => Clamav is enabled
##### 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` :
``` BASH
cap_add:
- NET_ADMIN
```
Otherwise, `iptables` won't be able to ban IPs.
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##### FAIL2BAN_BLOCKTYPE
- **drop** => drop packet (send NO reply)
- reject => reject packet (send ICMP unreachable)
FAIL2BAN_BLOCKTYPE=drop
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##### SMTP_ONLY
- **empty** => all daemons start
- 1 => only launch postfix smtp
##### SSL_TYPE
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
In the majority of cases, you want `letsencrypt` or `manual` .
`self-signed` can be used for testing SSL until you provide a valid certificate, note that third-parties cannot trust `self-signed` certificates, do not use this type in production. `custom` is a temporary workaround that is not officially supported.
Dual certificate support (eg ECDSA with RSA fallback) (#1801)
* feat: Change Postfix smtpd_tls key and cert files to chain_files
Since Postfix 3.4, `smtpd_tls_cert_file` and `smtpd_tls_key_file` have been deprecated in favor of `smtpd_tls_chain_files` which supports a list of values where a single or sequence of file paths provide a private key followed by it's certificate chain.
* feat: Dual certificate support
`smtpd_tls_chain_files` allows for multiple key+cert bundles so that you can provide different key types, such as ECDSA and RSA.
To maintain compatibility with the current CERT/KEY ENV vars only a 2nd certificate is supported.
Since Dovecot 2.2.31 a related feature is also available, but it is limited to only providing one alternative certificate via separate cert and key settings.
---
This feature enables support for multiple certificates, eg for serving modern ECDSA certs with RSA as fallback.
* chore: Refactor variable names to meet style guide
Improved some comments too.
* chore: Have function definitions respect style guide
* chore: Minor edits to comments
* chore: Expand on comments for maintenance, alert of insecure config
When `SSL_TYPE` isn't properly setup, we're still offering SSL connections but not warning in logs about the insecurity of such, or why a misconfiguration may have occurred.
This commit more clearly communicates to the user that they should look into the issue before considering deploying to production.
The `TODO` comments communicate to any future maintainer to consider treating these improper configs as disabling TLS instead.
* fix: Use `snakeoil` cert
I mistakenly thought this was placeholder text, which broke some tests. This adds the two files in the correct order (private key followed by cert/chain), to fix that issue.
* fix: Disable alt cert for Dovecot if necessary
Certain scenarios may persist state of previously configured alt cert via ENV vars that are removed from a future run. If the config is not reset to original immutable state, this will correctly disable the config from using alt cert unintentionally.
* fix: Satisfy ShellCheck lint
By switching from string var to array / list expansion, this better stores the extracted result and applies it in a manner that ShellCheck linting approves, removing the need to disable the rule.
* feat: Support dual cert test
Few tweaks to the test script allows re-purposing it for covering dual cert support as well.
* chore: Rearranged cert and key lines
A little reorganization, mostly placing private key ahead of related cert lines.
* chore: Refactor `_set_certificate`
This should make the parameters a little less confusing.
Previously was 3 parameters, but the Postfix parameter (1st) may look like two variables if you don't pay attention to the surrounding quotes; while the Dovecot parameters (2nd + 3rd) would have an opposing order. There was also a variant where the `FULLKEYCHAIN` var was passed in three times.
Now it's two params, with the 2nd param as an optional one. If the 2nd param is provided, then the two params are in the order of private key then certificate, otherwise if only a single parameter it's a single PEM file with the full cert chain and private key bundled.
This avoids implying that Postfix and Dovecot might use different files.
* chore: Document current state of `SSL_TYPE` logic better
Inlined for the benefit of anyone else maintaining this section if I'm unable to address the concerns within my own time.
* docs: ENV vars
`TLS_LEVEL=old` isn't in the codebase anymore, not likely to be relevant to retain.
No point in documenting what is considered invalid / unsupported config value in the first place for `SSL_TYPE`.
`SSL_TYPE=manual` was missing documentation for both related file path ENV vars, they've been added along with their alt fallback variants.
* chore: Update Dovecot LMTP SSL test config
Not sure how relevant this is, the file isn't complete sync with the main dovecot `10-ssl.conf` config, adding the support just in case.
* chore: Rename `FULLKEYCHAIN` to avoid confusion
There doesn't appear to be a standardized name for this type of file bundle, and `keychain` may be misleading (fullkeychain often provides macOS keychain results on search engines).
Opting for a more explicit `KEY_WITH_FULLCHAIN` name instead.
* fix: Invalid var name
`_set_certificate` refactor commit accidentally changed a var name and committed that breaking the dual cert support (thanks tests!).
* test: Refactor `mail_ssl_manual.bats`
Proper test return values instead of `wc -l` based checking.
Tests with dual cert support active, tests that feature (to better detect failure case.
Third test case was unable to verify new self-signed certificate, added new certs signed with self-signed root CA.
Adjusted openssl `CApath` parameter to use `CAfile` instead as `letsencrypt` cert was replaced thus CA cert is missing from the system trust store.
* test: Properly check for files in `mail_ssl_manual.bats`
Fixes lint error.
Also realized I was accidentally asserting a file exists in the test environment, not within the container.
Resolved that and also added an additional test case to ensure the ENV var files are valid when passed in, in the event a change misconfigures them and that the issue is identified earlier.
* chore: Apply PR review feedback
Better format some strings that had mixed quotes when they weren't necessary.
Additionally DRYed up the config path for Postfix and Dovecot within the `_setup_ssl` method.
Co-authored-by: Georg Lauterbach <infrastructure@itbsd.com>
2021-02-21 22:43:41 +00:00
- **empty** => SSL disabled.
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
- letsencrypt => Support for using certificates with _Let's Encrypt_ provisioners. (Docs: [_Let's Encrypt_ Setup][docs-tls-letsencrypt])
- manual => Provide your own certificate via separate key and cert files. (Docs: [Bring Your Own Certificates][docs-tls-manual])
- Requires: `SSL_CERT_PATH` and `SSL_KEY_PATH` ENV vars to be set to the location of the files within the container.
- Optional: `SSL_ALT_CERT_PATH` and `SSL_ALT_KEY_PATH` allow providing a 2nd certificate as a fallback for dual (aka hybrid) certificate support. Useful for ECDSA with an RSA fallback. _Presently only `manual` mode supports this feature_ .
- custom => Provide your own certificate as a single file containing both the private key and full certificate chain. (Docs: `None` )
- self-signed => Provide your own self-signed certificate files. Expects a self-signed CA cert for verification. **Use only for local testing of your setup** . (Docs: [Self-Signed Certificates][docs-tls-selfsigned])
2021-01-16 09:16:05 +00:00
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
Please read [the SSL page in the documentation][docs-tls] for more information.
2021-01-16 09:16:05 +00:00
##### 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.
##### 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.
##### ENABLE_SRS
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
Enables the Sender Rewriting Scheme. SRS is needed if `docker-mailserver` acts as forwarder. See [postsrsd ](https://github.com/roehling/postsrsd/blob/master/README.md#sender-rewriting-scheme-crash-course ) for further explanation.
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- **0** => Disabled
- 1 => Enabled
##### NETWORK_INTERFACE
In case your network interface differs from `eth0` , e.g. when you are using HostNetworking in Kubernetes, you can set this to whatever interface you want. This interface will then be used.
- **empty** => `eth0`
##### 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.
##### POSTFIX\_MAILBOX\_SIZE\_LIMIT
Set the mailbox size limit for all users. If set to zero, the size will be unlimited (default).
- **empty** => 0 (no limit)
##### ENABLE_QUOTAS
- **1** => Dovecot quota is enabled
- 0 => Dovecot quota is disabled
2021-01-17 09:39:09 +00:00
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
See [mailbox quota][docs-accounts].
2021-01-16 09:16:05 +00:00
##### POSTFIX\_MESSAGE\_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)
##### ENABLE_MANAGESIEVE
- **empty** => Managesieve service disabled
- 1 => Enables Managesieve on port 4190
##### POSTMASTER_ADDRESS
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
- **empty** => postmaster@example.com
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- => Specify the postmaster address
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##### ENABLE_UPDATE_CHECK
Check for updates on container start and then once a day. If an update is available, a mail is send to POSTMASTER_ADDRESS.
- 0 => Update check disabled
- **1** => Update check enabled
##### UPDATE_CHECK_INTERVAL
Customize the update check interval. Number + Suffix. Suffix must be 's' for seconds, 'm' for minutes, 'h' for hours or 'd' for days.
- **1d** => Check for updates once a day
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##### 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.
##### 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
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 ).
##### POSTFIX_INET_PROTOCOLS
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- **all** => Listen on all interfaces.
- ipv4 => Listen only on IPv4 interfaces. Most likely you want this behind Docker.
- ipv6 => Listen only on IPv6 interfaces.
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Note: More details at < http: / / www . postfix . org / postconf . 5 . html # inet_protocols >
##### DOVECOT_INET_PROTOCOLS
- **all** => Listen on all interfaces
- ipv4 => Listen only on IPv4 interfaces. Most likely you want this behind Docker.
- ipv6 => Listen only on IPv6 interfaces.
Note: More information at < https: / / dovecot . org / doc / dovecot-example . conf >
2021-01-16 09:16:05 +00:00
#### 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
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)
##### PFLOGSUMM_SENDER
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Sender address (`FROM`) for pflogsumm reports if pflogsumm reports are enabled.
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- **not set** => Use REPORT_SENDER
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- => 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
##### LOGWATCH_RECIPIENT
Recipient address for logwatch reports if they are enabled.
- **not set** => Use REPORT_RECIPIENT or POSTMASTER_ADDRESS
- => Specify the recipient address(es)
2022-01-10 11:29:11 +00:00
##### LOGWATCH_SENDER
Sender address (`FROM`) for logwatch reports if logwatch reports are enabled.
- **not set** => Use REPORT_SENDER
- => Specify the sender address
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##### 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
##### REPORT_SENDER (deprecated)
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
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
the logs.
##### LOGROTATE_INTERVAL
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.
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
The full log output is still available via `docker logs mailserver` (_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/ ).
2021-01-16 09:16:05 +00:00
Also note that by default the logs are lost when the container is recycled. To keep the logs, mount a volume.
Finally the logrotate interval **may** affect the period for generated reports. That is the case when the reports are triggered by log rotation.
2021-03-28 20:07:52 +00:00
#### SpamAssassin
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##### ENABLE_SPAMASSASSIN
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- **0** => SpamAssassin is disabled
- 1 => SpamAssassin is enabled
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##### SPAMASSASSIN_SPAM_TO_INBOX
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- 0 => Spam messages will be bounced (_rejected_) without any notification (_dangerous_).
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- **1** => Spam messages will be delivered to the inbox and tagged as spam using `SA_SPAM_SUBJECT` .
2021-01-16 09:16:05 +00:00
2022-02-21 09:48:28 +00:00
##### ENABLE_SPAMASSASSIN_KAM
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2022-02-21 09:48:28 +00:00
[KAM ](https://mcgrail.com/template/projects#KAM1 ) is a 3rd party SpamAssassin ruleset, provided by the McGrail Foundation. If SpamAssassin is enabled, KAM can be used in addition to the default ruleset.
- **0** => KAM disabled
- 1 => KAM enabled
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##### MOVE_SPAM_TO_JUNK
Spam messages can be moved in the Junk folder.
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Note: this setting needs `SPAMASSASSIN_SPAM_TO_INBOX=1`
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- 0 => Spam messages will be delivered in the mailbox.
- **1** => Spam messages will be delivered in the `Junk` folder.
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##### SA_TAG
- **2.0** => add spam info headers if at, or above that level
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Note: this SpamAssassin setting needs `ENABLE_SPAMASSASSIN=1`
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##### SA_TAG2
- **6.31** => add 'spam detected' headers at that level
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Note: this SpamAssassin setting needs `ENABLE_SPAMASSASSIN=1`
2021-01-16 09:16:05 +00:00
##### SA_KILL
- **6.31** => triggers spam evasive actions
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
!!! note "This SpamAssassin setting needs `ENABLE_SPAMASSASSIN=1` "
By default, `docker-mailserver` is configured to quarantine spam emails.
2022-01-03 21:03:46 +00:00
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
If emails are quarantined, they are compressed and stored in a location dependent on the `ONE_DIR` setting above. To inhibit this behaviour and deliver spam emails, set this to a very high value e.g. `100.0` .
If `ONE_DIR=1` (default) the location is `/var/mail-state/lib-amavis/virusmails/` , or if `ONE_DIR=0` : `/var/lib/amavis/virusmails/` . These paths are inside the docker container.
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##### SA_SPAM_SUBJECT
- **\*\*\*SPAM\*\*\*** => add tag to subject if spam detected
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Note: this SpamAssassin setting needs `ENABLE_SPAMASSASSIN=1` . Add the SpamAssassin score to the subject line by inserting the keyword \_SCORE\_: ** \*\*\*SPAM(\_SCORE\_)\*\*\***.
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##### SA_SHORTCIRCUIT_BAYES_SPAM
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- **1** => will activate SpamAssassin short circuiting for bayes spam detection.
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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 spam.
##### SA_SHORTCIRCUIT_BAYES_HAM
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- **1** => will activate SpamAssassin short circuiting for bayes ham detection
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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
##### ENABLE_FETCHMAIL
- **0** => `fetchmail` disabled
- 1 => `fetchmail` enabled
##### FETCHMAIL_POLL
- **300** => `fetchmail` The number of seconds for the interval
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##### FETCHMAIL_PARALLEL
**0** => `fetchmail` runs with a single config file `/etc/fetchmailrc`
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**1** => `/etc/fetchmailrc` is split per poll entry. For every poll entry a separate fetchmail instance is started to allow having multiple imap idle configurations defined.
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Note: The defaults of your fetchmailrc file need to be at the top of the file. Otherwise it won't be added correctly to all separate `fetchmail` instances.
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#### 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
##### LDAP_START_TLS
- **empty** => no
- yes => LDAP over TLS enabled for Postfix
##### LDAP_SERVER_HOST
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
- **empty** => mail.example.com
- => Specify the dns-name/ip-address where the ldap-server is listening, or an URI like `ldaps://mail.example.com`
- NOTE: If you going to use `docker-mailserver` in combination with `docker-compose.yml` you can set the service name here
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##### LDAP_SEARCH_BASE
- **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
##### LDAP_BIND_PW
- **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
##### LDAP_QUERY_FILTER_GROUP
- 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
##### LDAP_QUERY_FILTER_DOMAIN
- e.g. `(&(|(mail=*@%s)(mailalias=*@%s)(mailGroupMember=*@%s))(mailEnabled=TRUE))`
- => Specify how ldap should be asked for domains
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##### LDAP_QUERY_FILTER_SENDERS
- **empty** => use user/alias/group maps directly, equivalent to `(|($LDAP_QUERY_FILTER_USER)($LDAP_QUERY_FILTER_ALIAS)($LDAP_QUERY_FILTER_GROUP))`
- => Override how ldap should be asked if a sender address is allowed for a user
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##### DOVECOT_TLS
- **empty** => no
- yes => LDAP over TLS enabled for Dovecot
#### Dovecot
The following variables overwrite the default values for ```/etc/dovecot/dovecot-ldap.conf.ext```.
##### DOVECOT_BASE
- **empty** => same as `LDAP_SEARCH_BASE`
- => Tell Dovecot to search only below this base entry. (e.g. `ou=people,dc=domain,dc=com` )
##### DOVECOT_DEFAULT_PASS_SCHEME
- **empty** => `SSHA`
- => Select one crypt scheme for password hashing from this list of [password schemes ](https://doc.dovecot.org/configuration_manual/authentication/password_schemes/ ).
##### DOVECOT_DN
- **empty** => same as `LDAP_BIND_DN`
- => Bind dn for LDAP connection. (e.g. `cn=admin,dc=domain,dc=com` )
##### DOVECOT_DNPASS
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- **empty** => same as `LDAP_BIND_PW`
- => Password for LDAP dn sepecifified in `DOVECOT_DN` .
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##### DOVECOT_URIS
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- **empty** => same as `LDAP_SERVER_HOST`
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- => Specify a space separated list of LDAP uris.
- Note: If the protocol is missing, `ldap://` will be used.
- Note: This deprecates `DOVECOT_HOSTS` (as it didn't allow to use LDAPS), which is currently still supported for backwards compatibility.
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##### DOVECOT_LDAP_VERSION
- **empty** => 3
- 2 => LDAP version 2 is used
- 3 => LDAP version 3 is used
##### DOVECOT_AUTH_BIND
- **empty** => no
- yes => Enable [LDAP authentication binds ](https://wiki.dovecot.org/AuthDatabase/LDAP/AuthBinds )
##### DOVECOT_USER_FILTER
- 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.
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- Note: This is necessary for directories that do not use the Postfix Book Schema.
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- 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))`
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- **empty** => same as `DOVECOT_USER_FILTER`
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##### DOVECOT_PASS_ATTRS
- e.g. `uid=user,userPassword=password`
- => Specify the directory to dovecot variable mapping that fits your directory structure.
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- Note: This is necessary for directories that do not use the Postfix Book Schema.
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- 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
##### ENABLE_POSTGREY
- **0** => `postgrey` is disabled
- 1 => `postgrey` is enabled
##### POSTGREY_DELAY
- **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
Note: This postgrey setting needs `ENABLE_POSTGREY=1`
##### POSTGREY_AUTO_WHITELIST_CLIENTS
- **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
Note: This postgrey setting needs `ENABLE_POSTGREY=1`
#### SASL Auth
##### ENABLE_SASLAUTHD
- **0** => `saslauthd` is disabled
- 1 => `saslauthd` is enabled
##### SASLAUTHD_MECHANISMS
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- **empty** => pam
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- `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
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- **empty** => None
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- 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
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- **empty** => same as `LDAP_SERVER_HOST`
- Note: since version 10.0.0, you can specify a protocol here (like ldaps://); this deprecates SASLAUTHD_LDAP_SSL.
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##### SASLAUTHD_LDAP_START_TLS
- **empty** => `no`
- `yes` => Enable `ldap_start_tls` option
##### SASLAUTHD_LDAP_TLS_CHECK_PEER
- **empty** => `no`
- `yes` => Enable `ldap_tls_check_peer` option
##### SASLAUTHD_LDAP_TLS_CACERT_DIR
Path to directory with CA (Certificate Authority) certificates.
- **empty** => Nothing is added to the configuration
- Any value => Fills the `ldap_tls_cacert_dir` option
##### SASLAUTHD_LDAP_TLS_CACERT_FILE
File containing CA (Certificate Authority) certificate(s).
- **empty** => Nothing is added to the configuration
- Any value => Fills the `ldap_tls_cacert_file` option
##### SASLAUTHD_LDAP_BIND_DN
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- **empty** => same as `LDAP_BIND_DN`
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- 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
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- **empty** => same as `LDAP_BIND_PW`
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##### SASLAUTHD_LDAP_SEARCH_BASE
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- **empty** => same as `LDAP_SEARCH_BASE`
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- specify the search base
##### SASLAUTHD_LDAP_FILTER
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- **empty** => default filter `(&(uniqueIdentifier=%u)(mailEnabled=TRUE))`
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- e.g. for active directory: `(&(sAMAccountName=%U)(objectClass=person))`
- e.g. for openldap: `(&(uid=%U)(objectClass=person))`
##### SASLAUTHD_LDAP_PASSWORD_ATTR
Specify what password attribute to use for password verification.
- **empty** => Nothing is added to the configuration but the documentation says it is `userPassword` by default.
- Any value => Fills the `ldap_password_attr` option
##### SASL_PASSWD
- **empty** => No sasl_passwd will be created
- string => `/etc/postfix/sasl_passwd` will be created with the string as password
##### SASLAUTHD_LDAP_AUTH_METHOD
- **empty** => `bind` will be used as a default value
- `fastbind` => The fastbind method is used
- `custom` => The custom method uses userPassword attribute to verify the password
##### SASLAUTHD_LDAP_MECH
Specify the authentication mechanism for SASL bind.
- **empty** => Nothing is added to the configuration
- Any value => Fills the `ldap_mech` option
#### SRS (Sender Rewriting Scheme)
##### SRS_SENDER_CLASSES
An email has an "envelope" sender (indicating the sending server) and a
"header" sender (indicating who sent it). More strict SPF policies may require
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
##### SRS_EXCLUDE_DOMAINS
- **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`
##### SRS_DOMAINNAME
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
- **empty** => Derived from [`OVERRIDE_HOSTNAME` ](#override_hostname ), `$DOMAINNAME` (internal), or the container's hostname
2021-01-16 09:16:05 +00:00
- 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
- **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
##### RELAY_HOST
- **empty** => don't configure relay host
- default host to relay mail through
##### RELAY_PORT
- **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)
##### RELAY_PASSWORD
- **empty** => no default
- password for default relay user
2021-09-13 09:26:56 +00:00
[docs-faq-onedir]: ../faq.md#what-is-the-mail-state-folder-for
2021-10-30 20:13:18 +00:00
[docs-tls]: ./security/ssl.md
docs(chore): Normalize for consistency (#2206)
"Brief" summary/overview of changes. See the PR discussion or individual commits from the PR for more details.
---
Only applies to the `docs/content/**` content (_and `setup` command_). `target/` and `test/` can be normalized at a later date.
* Normalize to `example.com`
- Domains normalized to `example.com`: `mywebserver.com`, `myserver.tld`, `domain.com`, `domain.tld`, `mydomain.net`, `my-domain.tld`, `my-domain.com`, `example.org`, `whoami.com`.
- Alternative domains normalized to `not-example.com`: `otherdomain.com`, `otherdomain.tld`, `domain2.tld`, `mybackupmx.com`, `whoareyou.org`.
- Email addresses normalized to `admin@example.com` (in `ssl.md`): `foo@bar.com`, `yourcurrentemail@gmail.com`, `email@email.com`, `admin@domain.tld`.
- Email addresses normalized to `external-account@gmail.com`: `bill@gates321boom.com`, `external@gmail.com`, `myemail@gmail.com`, `real-email-address@external-domain.com`.
- **`faq.md`:** A FAQ entry title with `sample.domain.com` changed to `subdomain.example.com`.
- **`mail-fetchmail.md`:** Config examples with FQDNs for `imap`/`pop3` used `example.com` domain for a third-party, changed to `gmail.com` as more familiar third-party/external MTA.
* Normalize config volume path
- Normalizing local config path references to `./docker-data/dms/config/`: `./config/`, `config/`, \``config`\`, `/etc/` (_volume mount src path prefix_).
- Normalize DMS volume paths to `docker-data/dms/mail-{data,state,log}`: `./mail`, `./mail-state` `./data/mail`, `./data/state`, `./data/logs`, `./data/maildata`, `./data/mailstate`, `./data/maillogs`, (_dropped/converted data volumes: `maildata`, `mailstate`_).
- Other docker images also adopt the `docker-data/{service name}/` prefix.
* `ssl.md` - Use `dms/custom-certs` where appropriate.
* Apply normalizations to README and example `docker-compose.yml`
---
Common terms, sometimes interchangeably used or now invalid depending on context: `mail`, `mail container`, `mail server`, `mail-server`, `mailserver`,`docker-mailserver`, `Docker Mailserver`.
Rough transformations applied to most matches (_conditionally, depending on context_):
- 'Docker Mailserver' => '`docker-mailserver`'
- 'mail container' => '`docker-mailserver`' (_optionally retaining ' container'_)
- 'mail server' => 'mail-server' / '`docker-mailserver`'
- 'mail-server' => '`docker-mailserver`'
- 'mailserver' => 'mail-server' / '`docker-mailserver`'
Additionally I checked `docker run` (_plus `exec`, `logs`, etc, sub-commands_) and `docker-compose` commands. Often finding usage of `mail` instead of the expected `mailserver`
Additionally changes `mailserver` hostname in k8s to `mail` to align with other non-k8s examples.
---
* drive-by revisions
Mostly minor revisions or improvements to docs that aren't related to normalization effort.
2021-09-22 23:29:37 +00:00
[docs-tls-letsencrypt]: ./security/ssl.md#lets-encrypt-recommended
[docs-tls-manual]: ./security/ssl.md#bring-your-own-certificates
[docs-tls-selfsigned]: ./security/ssl.md#self-signed-certificates
2021-10-30 20:13:18 +00:00
[docs-accounts]: ./user-management/accounts.md#notes
