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docker-mailserver/CHANGELOG.md

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# Changelog
## `v11.0.0`
### Major Changes
1. [**Internal logging has been refactored**](https://github.com/docker-mailserver/docker-mailserver/pull/2493). The environment variable `DMS_DEBUG` has been replaced by [`LOG_LEVEL`](https://docker-mailserver.github.io/docker-mailserver/v11.0/config/environment/#log_level) to better control the verbosity of logs we output. The new logger is more structured and follows standard log conventions. `LOG_LEVEL` can be set to: `error`, `warn`, `info` (default), `debug` and `trace`.
2. [**`iptables` has been replaced by `nftables`**](https://github.com/docker-mailserver/docker-mailserver/pull/2505). The Fail2Ban configuration was adjusted accordingly. If you use `iptables` yourself (e.g. in `user-patches.sh`), make sure to update the scripts.
3. **[`PERMIT_DOCKER`](https://docker-mailserver.github.io/docker-mailserver/v11.0/config/environment/#permit_docker) has a new default value of `none`**. This change [better secures Podman](https://github.com/docker-mailserver/docker-mailserver/pull/2424); to keep the old behaviour (_adding the container IP address to Postfix's `mynetworks`_), use `PERMIT_DOCKER=container`.
### Minor Changes
1. **Many** minor improvements were made (cleanup & refactoring). Please refer to the section below to get an overview over all improvements. Moreover, there was a lot of cleanup in the scripts and in the tests. The documentation was adjusted accordingly.
2. New environment variables were added:
1. [`CLAMAV_MESSAGE_SIZE_LIMIT`](https://docker-mailserver.github.io/docker-mailserver/v11.0/config/environment/#clamav_message_size_limit)
2. [`TZ`](https://docker-mailserver.github.io/docker-mailserver/v11.0/config/environment/#tz)
3. SpamAssassin KAM was added with [`ENABLE_SPAMASSASSIN_KAM`](https://docker-mailserver.github.io/docker-mailserver/v11.0/config/environment/#enable_spamassassin_kam).
4. The `fail2ban` command was reworked and can now ban IP addresses as well.
5. There were a few small fixes, especially when it comes to bugs in scripts and service restart loops (no functionality changes, only fixes of existing functionality). When building an image from the Dockerfile - Installation of Postfix on modern Linux distributions should now always succeed.
6. Some default values for environment values changed: these are mostly non-critical, please refer to [#2428](https://github.com/docker-mailserver/docker-mailserver/pull/2428) and [#2487](https://github.com/docker-mailserver/docker-mailserver/pull/2487).
### Merged Pull Requests
- **[improvement]** tests: remove legacy functions / tests by @casperklein in [#2434](https://github.com/docker-mailserver/docker-mailserver/pull/2434)
- **[improvement]** `PERMIT_DOCKER=none` as new default value by @casperklein in [#2424](https://github.com/docker-mailserver/docker-mailserver/pull/2424)
- **[improvement]** Adjust environment variables to more sensible defaults by @georglauterbach in [#2428](https://github.com/docker-mailserver/docker-mailserver/pull/2428)
- **[fix]** macOS linting support by @NorseGaud in [#2448](https://github.com/docker-mailserver/docker-mailserver/pull/2448)
- **[improvement]** Rename config examples directory by @casperklein in [#2438](https://github.com/docker-mailserver/docker-mailserver/pull/2438)
- **[docs]** FAQ - Update naked/bare domain section by @sportshead in [#2446](https://github.com/docker-mailserver/docker-mailserver/pull/2446)
- **[improvement]** Remove obsolete `setup.sh debug inspect` command from usage description by @casperklein in [#2454](https://github.com/docker-mailserver/docker-mailserver/pull/2454)
- **[feature]** Introduce `CLAMAV_MESSAGE_SIZE_LIMIT` env by @casperklein in [#2453](https://github.com/docker-mailserver/docker-mailserver/pull/2453)
- **[fix]** remove SA reload for KAM by @georglauterbach in [#2456](https://github.com/docker-mailserver/docker-mailserver/pull/2456)
- **[docs]** Enhance logrotate description by @casperklein in [#2469](https://github.com/docker-mailserver/docker-mailserver/pull/2469)
- **[improvement]** Remove macOS specific code / support + shellcheck should avoid python, regardless of permissions by @NorseGaud in [#2466](https://github.com/docker-mailserver/docker-mailserver/pull/2466)
- **[docs]** Update fail2ban.md by @casperklein in [#2484](https://github.com/docker-mailserver/docker-mailserver/pull/2484)
- **[fix]** Makefile: Remove backup/restore of obsolete config directory by @casperklein in [#2479](https://github.com/docker-mailserver/docker-mailserver/pull/2479)
- **[improvement]** scripts: small refactorings by @georglauterbach in [#2485](https://github.com/docker-mailserver/docker-mailserver/pull/2485)
- **[fix]** Building on Ubuntu 21.10 failing to install postfix by @NorseGaud in [#2468](https://github.com/docker-mailserver/docker-mailserver/pull/2468)
- **[improvement]** Use FQDN as `REPORT_SENDER` default value by @casperklein in [#2487](https://github.com/docker-mailserver/docker-mailserver/pull/2487)
- **[improvement]** Improve test, get rid of sleep by @casperklein in [#2492](https://github.com/docker-mailserver/docker-mailserver/pull/2492)
- **[feature]** scripts: new log by @georglauterbach in [#2493](https://github.com/docker-mailserver/docker-mailserver/pull/2493)
- **[fix]** Restart supervisord early by @casperklein in [#2494](https://github.com/docker-mailserver/docker-mailserver/pull/2494)
- **[improvement]** scripts: renamed function `_errex` -> `_exit_with_error` by @georglauterbach in [#2497](https://github.com/docker-mailserver/docker-mailserver/pull/2497)
- **[improvement]** Remove invalid URL from SPF message by @casperklein in [#2503](https://github.com/docker-mailserver/docker-mailserver/pull/2503)
- **[improvement]** scripts: refactored scripts located under `target/bin/` by @georglauterbach in [#2500](https://github.com/docker-mailserver/docker-mailserver/pull/2500)
- **[improvement]** scripts: refactoring & miscellaneous small changes by @georglauterbach in [#2499](https://github.com/docker-mailserver/docker-mailserver/pull/2499)
- **[improvement]** scripts: refactored `daemon-stack.sh` by @georglauterbach in [#2496](https://github.com/docker-mailserver/docker-mailserver/pull/2496)
- **[fix]** add compatibility for Bash 4 to setup.sh by @georglauterbach in [#2519](https://github.com/docker-mailserver/docker-mailserver/pull/2519)
- **[fix]** tests: disabled "quota exceeded" test by @georglauterbach in [#2511](https://github.com/docker-mailserver/docker-mailserver/pull/2511)
- **[fix]** typo in setup-stack.sh by @eltociear in [#2521](https://github.com/docker-mailserver/docker-mailserver/pull/2521)
- **[improvement]** scripts: introduce `_log` to `sedfile` by @georglauterbach in [#2507](https://github.com/docker-mailserver/docker-mailserver/pull/2507)
- **[feature]** create `.github/FUNDING.yml` by @georglauterbach in [#2512](https://github.com/docker-mailserver/docker-mailserver/pull/2512)
- **[improvement]** scripts: refactored `check-for-changes.sh` by @georglauterbach in [#2498](https://github.com/docker-mailserver/docker-mailserver/pull/2498)
- **[improvement]** scripts: remove `DMS_DEBUG` by @georglauterbach in [#2523](https://github.com/docker-mailserver/docker-mailserver/pull/2523)
- **[feature]** firewall: replace `iptables` with `nftables` by @georglauterbach in [#2505](https://github.com/docker-mailserver/docker-mailserver/pull/2505)
- **[improvement]** log: adjust level and message(s) slightly for four messages by @georglauterbach in [#2532](https://github.com/docker-mailserver/docker-mailserver/pull/2532)
- **[improvement]** log: introduce proper log level fallback and env getter function by @georglauterbach in [#2506](https://github.com/docker-mailserver/docker-mailserver/pull/2506)
- **[feature]** scripts: added `TZ` environment variable to set timezone by @georglauterbach in [#2530](https://github.com/docker-mailserver/docker-mailserver/pull/2530)
- **[improvement]** setup: added grace period for account creation by @georglauterbach in [#2531](https://github.com/docker-mailserver/docker-mailserver/pull/2531)
- **[improvement]** refactor: letsencrypt implicit location discovery by @polarathene in [#2525](https://github.com/docker-mailserver/docker-mailserver/pull/2525)
- **[improvement]** setup.sh/setup: show usage when no argument is given by @casperklein in [#2540](https://github.com/docker-mailserver/docker-mailserver/pull/2540)
- **[improvement]** Dockerfile: Remove not needed ENVs and add comment by @casperklein in [#2541](https://github.com/docker-mailserver/docker-mailserver/pull/2541)
- **[improvement]** chore: (setup-stack.sh) Fix a small typo by @polarathene in [#2552](https://github.com/docker-mailserver/docker-mailserver/pull/2552)
- **[feature]** Add ban feature to fail2ban script by @casperklein in [#2538](https://github.com/docker-mailserver/docker-mailserver/pull/2538)
- **[fix]** Fix changedetector restart loop by @casperklein in [#2548](https://github.com/docker-mailserver/docker-mailserver/pull/2548)
- **[improvement]** chore: Drop `setup.sh` DATABASE fallback ENV by @polarathene in [#2556](https://github.com/docker-mailserver/docker-mailserver/pull/2556)
## `v10.5.0`
### Critical Changes
1. This release fixes a critical issue for LDAP users, installing a needed package on Debian 11
on build-time. Moreover, a race-condition was eliminated ([#2341](https://github.com/docker-mailserver/docker-mailserver/pull/2341)).
2. A resource leak in `check-for-changes.sh` was fixed ([#2401](https://github.com/docker-mailserver/docker-mailserver/pull/2401))
### Other Minor Changes
1. `SPAMASSASSIN_SPAM_TO_INBOX`'s default changed to `1`. ([#2361](https://github.com/docker-mailserver/docker-mailserver/pull/2361))
2. Changedetector functionality was added to `SSL_TYPE=manual`-setups. ([#2404](https://github.com/docker-mailserver/docker-mailserver/pull/2404))
3. Four new environment variables were introduced: `LOGWATCH_SENDER`, `ENABLE_DNSBL`, `DOVECOT_INET_PROTOCOLS` and `ENABLE_SPAMASSASSIN_KAM`. ([#2362](https://github.com/docker-mailserver/docker-mailserver/pull/2362), [#2342](https://github.com/docker-mailserver/docker-mailserver/pull/2342), [#2358](https://github.com/docker-mailserver/docker-mailserver/pull/2358), [#2418](https://github.com/docker-mailserver/docker-mailserver/pull/2418))
4. There are plenty of bug fixes and documentation enhancements with this release.
### Merged Pull Requests
- **[fix]** added `libldap-common` to packages in Dockerfile in [#2341](https://github.com/docker-mailserver/docker-mailserver/pull/2341)
- **[fix]** Prevent race condition on supervisorctl reload in [#2343](https://github.com/docker-mailserver/docker-mailserver/pull/2343)
- **[docs]** Update links to dovecot docs in [#2351](https://github.com/docker-mailserver/docker-mailserver/pull/2351)
- **[fix]** tests(fix): Align with upstream `testssl` field name change in [#2353](https://github.com/docker-mailserver/docker-mailserver/pull/2353)
- **[improvement]** Make TLS tests more reliable in [#2354](https://github.com/docker-mailserver/docker-mailserver/pull/2354)
- **[feature]** Introduce ENABLE_DNSBL env in [#2342](https://github.com/docker-mailserver/docker-mailserver/pull/2342)
- **[feature]** Introduce DOVECOT_INET_PROTOCOLS env in [#2358](https://github.com/docker-mailserver/docker-mailserver/pull/2358)
- **[fix]** Fix harmless startup errors in [#2357](https://github.com/docker-mailserver/docker-mailserver/pull/2357)
- **[improvement]** Add tests for sedfile wrapper in [#2363](https://github.com/docker-mailserver/docker-mailserver/pull/2363)
- **[feature]** add env var `LOGWATCH_SENDER` in [#2362](https://github.com/docker-mailserver/docker-mailserver/pull/2362)
- **[fix]** Fixed non-number-argument in `listmailuser` in [#2382](https://github.com/docker-mailserver/docker-mailserver/pull/2382)
- **[fix]** docs: Fail2Ban - Fix links for rootless podman in [#2384](https://github.com/docker-mailserver/docker-mailserver/pull/2384)
- **[fix]** docs(kubernetes): fix image name in example in [#2385](https://github.com/docker-mailserver/docker-mailserver/pull/2385)
- **[fix]** SSL documentation contains a small bug #2381 by @Twist235 in [#2383](https://github.com/docker-mailserver/docker-mailserver/pull/2383)
- **[fix]** get rid of subshell + `exec` in `helper-functions.sh` in [#2401](https://github.com/docker-mailserver/docker-mailserver/pull/2401)
- **[docs]** Rootless Podman security update by @p-fruck in [#2393](https://github.com/docker-mailserver/docker-mailserver/pull/2393)
- **[fix]** fix: double occurence of `/etc/postfix/regexp` in [#2397](https://github.com/docker-mailserver/docker-mailserver/pull/2397)
- **[improvement]** consistently make 1 the default value for `SPAMASSASSIN_SPAM_TO_INBOX` in [#2361](https://github.com/docker-mailserver/docker-mailserver/pull/2361)
- **[docs]** added sieve example for subaddress sorting in [#2410](https://github.com/docker-mailserver/docker-mailserver/pull/2410)
- **[feature]** Add changedetector functionality for `${SSL_TYPE} == manual` in [#2404](https://github.com/docker-mailserver/docker-mailserver/pull/2404)
- **[docs]** docs(deps): bump mkdocs-material to v8.2.1 in [#2422](https://github.com/docker-mailserver/docker-mailserver/pull/2422)
- **[feature]** Add SpamAssassin KAM in [#2418](https://github.com/docker-mailserver/docker-mailserver/pull/2418)
- **[improvement]** refactoring: split helper functions into smaller scripts in [#2420](https://github.com/docker-mailserver/docker-mailserver/pull/2420)
- **[fix]** fix: do not add accounts that already exists to account files in [#2419](https://github.com/docker-mailserver/docker-mailserver/pull/2419)
## `v10.4.0`
This release upgrades our base image from Debian 10 to Debian 11.
There is also an important regression fixed for `SSL_TYPE=letsencrypt` users.
- **[fix]** A regression with `check-for-changes.sh` introduced in `v10.3.0` affected `SSL_TYPE=letsencrypt`, preventing detection of cert renewals to restart services (_unless using `acme.json`_) [#2326](https://github.com/docker-mailserver/docker-mailserver/pull/2326)
- **[improvement]** Base image upgraded from Debian 10 Buster to Debian 11 Bullseye [#2116](https://github.com/docker-mailserver/docker-mailserver/pull/2116)
- Postfix upgraded from `3.4` to `3.5`. Dovecot upgraded from `2.3.4` to `2.3.13`. Python 2 is no longer included in the image, Python 3 remains (_[more information](https://github.com/docker-mailserver/docker-mailserver/pull/2116#issuecomment-955615529)_).
- `yescrypt` is now supported upstream as a password hash algorithm, `docker-mailserver` continues to use `SHA512-CRYPT` (_[more information](https://github.com/docker-mailserver/docker-mailserver/pull/2116#issuecomment-955800544)_).
- **[chore]** Dovecot statistics service disabled [#2292](https://github.com/docker-mailserver/docker-mailserver/pull/2292)
## `v10.3.0`
**WARNING:** This release had a small regression affecting the detection of changes for certificates provisioned in `/etc/letsencrypt` with the config ENV `SSL_TYPE=letsencrypt`, unless you use Traefik's `acme.json`. If you rely on this functionality to restart Postfix and Dovecot when updating your cert files, this will not work and it is advised to upgrade to `v10.4.0` or newer prior to renewal of your certificates.
- **[fix]** The Dovecot `userdb` will now additionally create "dummy" accounts for basic alias maps (_alias maps to a single real account managed by Dovecot, relaying to external providers aren't affected_) when `ENABLE_QUOTAS=1` (default) as a workaround for Postfix `quota-status` plugin querying Dovecot with inbound mail for a user, which Postfix uses to reject mail if quota has been exceeded (_to avoid risk of blacklisting from spammers abusing backscatter_) [#2248](https://github.com/docker-mailserver/docker-mailserver/pull/2248)
- **NOTE:** If using aliases that map to another alias or multiple addresses, _this remains a risk_.
- **[fix]** `setup email list` command will no longer attempt to query Dovecot quota status when `ENABLE_QUOTAS` is disabled [#2264](https://github.com/docker-mailserver/docker-mailserver/pull/2264)
- **[fix]** `SSL_DOMAIN` ENV should now work much more reliably [#2274](https://github.com/docker-mailserver/docker-mailserver/pull/2274), [#2278](https://github.com/docker-mailserver/docker-mailserver/pull/2278), [#2279](https://github.com/docker-mailserver/docker-mailserver/pull/2279)
- **[fix]** DKIM - Removed `refile:` (_regex type_) from KeyTable entry in `opendkim.conf`, fixes validation error output from `opendkim-testkey` [#2249](https://github.com/docker-mailserver/docker-mailserver/pull/2249)
- **[fix]** DMARC - Removed quotes around the hostname value in `opendmarc.conf`. This avoids an authentication failure where an OpenDKIM header was previously ignored [#2291](https://github.com/docker-mailserver/docker-mailserver/pull/2291)
- **[fix]** When using `ONE_DIR=1` (default), the `spool-postfix` folder now has the correct permissions carried over. This resolves some failures notably with sieve filters [#2273](https://github.com/docker-mailserver/docker-mailserver/pull/2273)
- **[improvement]** Warnings are now logged for ClamAV and SpamAssassin if they are enabled but Amavis is disabled (_which is required for them to work correctly_) [#2251](https://github.com/docker-mailserver/docker-mailserver/pull/2251)
- **[improvement]** `user-patches.sh` is now invoked via `bash` to assist Kubernetes deployments with `ConfigMap` [#2295](https://github.com/docker-mailserver/docker-mailserver/pull/2295)
### Internal
These changes are primarily internal and are only likely relevant to users that maintain their own modifications related to the changed files.
- **[chore]** Redundant config from Postfix `master.cf` has been removed, it should not affect any users as our images have not included any of the related processes [#2272](https://github.com/docker-mailserver/docker-mailserver/pull/2272)
- **[refactor]** `check-for-changes.sh` was carrying some duplicate code from `setup-stack.sh` that was falling out of sync, they now share common code [#2260](https://github.com/docker-mailserver/docker-mailserver/pull/2260)
- **[refactor]** `acme.json` extraction was refactored into a CLI utility and updated to Python 3 (_required for future upgrade to Debian 11 Bullseye base image_) [#2274](https://github.com/docker-mailserver/docker-mailserver/pull/2274)
- **[refactor]** As part of the Traefik `acme.json` and `SSL_DOMAIN` work, logic for `SSL_TYPE=letsencrypt` was also revised [#2278](https://github.com/docker-mailserver/docker-mailserver/pull/2278)
- **[improvement]** Some minor tweaks to how we derive the internal `HOSTNAME` and `DOMAINNAME` from user configured `hostname` and `domainname` settings [#2280](https://github.com/docker-mailserver/docker-mailserver/pull/2280)
## `v10.2.0`
- You no longer need to maintain a copy of `setup.sh` matching your version release from v10.2 of `docker-mailserver` onwards. Version specific functionality of `setup.sh` has moved into the container itself, while `setup.sh` remains as a convenient wrapper to: `docker exec -it <container name> setup <command>`.
- [`ONE_DIR`](https://docker-mailserver.github.io/docker-mailserver/v10.2/config/environment/#one_dir) now defaults to enabled (`1`).
- For anyone relying on internal location of certificates (_internal copy of mounted files at startup_), the Postfix and Dovecot location of `/etc/postfix/ssl` has changed to `/etc/dms/tls`. This may affect any third-party `user-patches.sh` scripts that depended on this path to update certs.
- The [_Let's Encrypt_ section of our SSL / TLS docs](https://docker-mailserver.github.io/docker-mailserver/v10.2/config/security/ssl#lets-encrypt-recommended) has been brought up to date.
### Bigger scripts-related improvements
- **[scripts]** update `setup.sh` to now use a running container first if one exists [#2134](https://github.com/docker-mailserver/docker-mailserver/pull/2134)
- **[scripts]** included `setup.sh` functionality inside the container to be version independent again [#2174](https://github.com/docker-mailserver/docker-mailserver/pull/2174)
- **[scripts]** `HOSTNAME` and `DOMAINNAME` setup improved [#2175](https://github.com/docker-mailserver/docker-mailserver/pull/2175)
- **[scripts]** `delmailuser` can now delete mailboxed without TLD [#2172](https://github.com/docker-mailserver/docker-mailserver/pull/2172)
- **[scripts]** properly exit on failure ([#2199](https://github.com/docker-mailserver/docker-mailserver/pull/2199) in conjunction with [#2196](https://github.com/docker-mailserver/docker-mailserver/pull/2196))
- **[scripts]** make `setup.sh` completely non-interactive for Podman users [#2201](https://github.com/docker-mailserver/docker-mailserver/pull/2201)
### Security
Some internal refactoring and fixes happened this release cycle in [#2196](https://github.com/docker-mailserver/docker-mailserver/pull/2196):
- **[improve]** The Postfix and Dovecot location of `/etc/postfix/ssl` has changed to `/etc/dms/tls`
- **[improve]** An invalid `SSL_TYPE` or a valid value with an invalid configuration will now panic, exiting the container and emitting a fatal error to the logs
- **[fix]** An unconfigured/empty `SSL_TYPE` ENV now correctly disables SSL support for Dovecot and general Postfix configurations. A reminder that this is unsupported officially, and is only intended for tests and troubleshooting. Use only [a valid `SSL_TYPE`](https://docker-mailserver.github.io/docker-mailserver/v10.2/config/environment/#ssl_type) (_`letsencrypt` and `manual` are recommended_) for production deployments
- **[fix]** `TLS_LEVEL=intermediate` now modifies the system (container) `openssl.cnf` config to set the minimum protocol to TLS 1.0 (_from 1.2_) and cipher-suite support to `DEFAULT@SECLEVEL=1` (_from `2`_). This change is required for Dovecot in upcoming Debian Bullseye upgrade, to be compatible with the `TLS_LEVEL=intermediate` cipher-suite profile. It may affect other software within the container that relies on this openssl config, should you extend the Docker image [#2193](https://github.com/docker-mailserver/docker-mailserver/pull/2193)
- **[fix]** Provide DH parameters (_default: RFC 7919 group `ffdhe406.pem`_) at build-time, instead of during startup. Custom DH parameters regardless of `ONE_DIR` are now only detected when mounted to `/tmp/docker-mailserver/dhparams.pem` [#2192](https://github.com/docker-mailserver/docker-mailserver/pull/2192)
- **[docs]** Revise the _Let's Encrypt_ section of our SSL / TLS docs [#2209](https://github.com/docker-mailserver/docker-mailserver/pull/2209)
### Miscellaneous small additions and changes
- **[ci]** improved caching [#2197](https://github.com/docker-mailserver/docker-mailserver/pull/2197)
- **[ci]** refactored spam tests and introduced common container setup template [#2198](https://github.com/docker-mailserver/docker-mailserver/pull/2198)
- **[fix]** update Fail2Ban wrapper to propagate errors to user [#2170](https://github.com/docker-mailserver/docker-mailserver/pull/2170)
- **[fix]** Dockerfile `sed`'s are now checked [#2158](https://github.com/docker-mailserver/docker-mailserver/pull/2158)
- **[general]** Updated default value of `ONE_DIR` to `1` [#2148](https://github.com/docker-mailserver/docker-mailserver/pull/2148)
- **[docs]** updated Kubernetes documentation [#2111](https://github.com/docker-mailserver/docker-mailserver/pull/2111)
- **[docs]** introduced dedicated Podman documentation [#2179](https://github.com/docker-mailserver/docker-mailserver/pull/2179)
- **[docs]** miscellaneous documentation improvements
- **[misc]** introduced GitHub issue forms for issue templates [#2160](https://github.com/docker-mailserver/docker-mailserver/pull/2160)
- **[misc]** Removed the internal `mkcert.sh` script for Dovecot as it is no longer needed [#2196](https://github.com/docker-mailserver/docker-mailserver/pull/2196)
## `v10.1.2`
This is bug fix release. It reverts [a regression](https://github.com/docker-mailserver/docker-mailserver/issues/2154) introduced with [#2104](https://github.com/docker-mailserver/docker-mailserver/pull/2104).
## `v10.1.1`
This release mainly improves on `v10.1.0` with small bugfixes/improvements and dependency updates
- **[feat]** Add logwatch maillog.conf file to support /var/log/mail/ ([#2112](https://github.com/docker-mailserver/docker-mailserver/pull/2112))
- **[docs]** `CONTRIBUTORS.md` now also shows every code contributor from the past ([#2143](https://github.com/docker-mailserver/docker-mailserver/pull/2143))
- **[improve]** Avoid chmod +x when not needed ([#2127](https://github.com/docker-mailserver/docker-mailserver/pull/2127))
- **[improve]** check-for-changes: performance improvements ([#2104](https://github.com/docker-mailserver/docker-mailserver/pull/2104))
- **[dependency]** Update various dependencies through docs and base image
- **[security]** This release contains also [security fixes for OpenSSL](https://www.openssl.org/news/secadv/20210824.txt)
## `v10.1.0`
This release mainly improves on `v10.0.0` with many bugfixes.
- **[docs]** Various documentation updates ([#2105](https://github.com/docker-mailserver/docker-mailserver/pull/2105), [#2045](https://github.com/docker-mailserver/docker-mailserver/pull/2045), [#2043](https://github.com/docker-mailserver/docker-mailserver/pull/2043), [#2035](https://github.com/docker-mailserver/docker-mailserver/pull/2035), [#2001](https://github.com/docker-mailserver/docker-mailserver/pull/2001))
- **[misc]** Fixed a lot of small bugs, updated dependencies and improved functionality ([#2095](https://github.com/docker-mailserver/docker-mailserver/pull/2095), [#2047](https://github.com/docker-mailserver/docker-mailserver/pull/2047), [#2046](https://github.com/docker-mailserver/docker-mailserver/pull/2046), [#2041](https://github.com/docker-mailserver/docker-mailserver/pull/2041), [#1980](https://github.com/docker-mailserver/docker-mailserver/pull/1980), [#2030](https://github.com/docker-mailserver/docker-mailserver/pull/2030), [#2024](https://github.com/docker-mailserver/docker-mailserver/pull/2024), [#2001](https://github.com/docker-mailserver/docker-mailserver/pull/2001), [#2000](https://github.com/docker-mailserver/docker-mailserver/pull/2000), [#2059](https://github.com/docker-mailserver/docker-mailserver/pull/2059))
- **[feat]** Added dovecot-fts-xapian ([#2064](https://github.com/docker-mailserver/docker-mailserver/pull/2064))
- **[security]** Switch GPG keyserver ([#2051](https://github.com/docker-mailserver/docker-mailserver/pull/2051))
## `v10.0.0`
This release improves on `9.1.0` in many aspect, including general fixes, Fail2Ban, LDAP and documentation. This release contains breaking changes.
- **[general]** Fixed many prose errors (spelling, grammar, indentation).
- **[general]** Documentation is better integrated into the development process and it's visibility within the project increased ([#1878](https://github.com/docker-mailserver/docker-mailserver/pull/1878)).
- **[general]** Added `stop_grace_period:` to example Compose file and supervisord ([#1896](https://github.com/docker-mailserver/docker-mailserver/pull/1896) [#1945](https://github.com/docker-mailserver/docker-mailserver/pull/1945))
- **[general]** `./setup.sh email list` was enhanced, now showing information neatly ([#1898](https://github.com/docker-mailserver/docker-mailserver/pull/1898))
- **[general]** Added update check and notification ([#1976](https://github.com/docker-mailserver/docker-mailserver/pull/1976), [#1951](https://github.com/docker-mailserver/docker-mailserver/pull/1951))
- **[general]** Moved environment variables to the documentation and improvements ([#1948](https://github.com/docker-mailserver/docker-mailserver/pull/1948), [#1947](https://github.com/docker-mailserver/docker-mailserver/pull/1947), [#1931](https://github.com/docker-mailserver/docker-mailserver/pull/1931))
- **[security]** Major Fail2Ban improvements (cleanup, update and breaking changes, see below)
- **[fix]** `./setup.sh email del ...` now works properly
- **[code]** Added color variables to `setup.sh` and improved the script as a whole ([#1879](https://github.com/docker-mailserver/docker-mailserver/pull/1879), [#1886](https://github.com/docker-mailserver/docker-mailserver/pull/1886))
- **[ldap]** Added `LDAP_QUERY_FILTER_SENDERS` ([#1902](https://github.com/docker-mailserver/docker-mailserver/pull/1902))
- **[ldap]** Use dovecots LDAP `uris` connect option instead of `hosts` ([#1901](https://github.com/docker-mailserver/docker-mailserver/pull/1901))
- **[ldap]** Complete rework of LDAP documentation ([#1921](https://github.com/docker-mailserver/docker-mailserver/pull/1921))
- **[docs]** PRs that contain changes to docs will now be commented with a preview link ([#1988](https://github.com/docker-mailserver/docker-mailserver/pull/1988))
### Breaking Changes
- **[security]** Fail2Ban adjustments:
- Fail2ban v0.11.2 is now used ([#1965](https://github.com/docker-mailserver/docker-mailserver/pull/1965)).
- The previous F2B config (from an old Debian release) has been replaced with the latest default config for F2B shipped by Debian 10.
- The new default blocktype is now `DROP`, not `REJECT` ([#1914](https://github.com/docker-mailserver/docker-mailserver/pull/1914)).
- A ban now applies to all ports (`iptables-allports`), not just the ones that were "attacked" ([#1914](https://github.com/docker-mailserver/docker-mailserver/pull/1914)).
- Fail2ban 0.11 is totally compatible to 0.10, but the database got some new tables and fields (auto-converted during the first start), so once updated to DMS 10.0.0, you have to remove the database `mailstate:/lib-fail2ban/fail2ban.sqlite3` if you would need to downgrade to DMS 9.1.0 for some reason.
- **[ldap]** Removed `SASLAUTHD_LDAP_SSL`. Instead provide a protocol in `SASLAUTHD_LDAP_SERVER` and adjust `SASLAUTHD_LDAP_` default values ([#1989](https://github.com/docker-mailserver/docker-mailserver/pull/1989)).
- **[general]** Removed `stable` release tag ([#1975](https://github.com/docker-mailserver/docker-mailserver/pull/1975)):
- Scheduled builds are now based off `edge`.
- Instead of `stable`, please use the latest version tag available (_or the `latest` tag_).
- The `stable` image tag will be removed from DockerHub in the near future.
- **[setup]** Removed `./setup config ssl` command (_deprecated since v9_). `SSL_TYPE=self-signed` remains supported however. ([`dc8f49de`](https://github.com/docker-mailserver/docker-mailserver/commit/dc8f49de548e2c2e2aa321841585153a99cd3858), [#2021](https://github.com/docker-mailserver/docker-mailserver/pull/2021))
## `v9.1.0`
This release marks the breakpoint where the wiki was transferred to a [reworked documentation](https://docker-mailserver.github.io/docker-mailserver/edge/)
- **[feat]** Introduce ENABLE_AMAVIS env ([#1866](https://github.com/docker-mailserver/docker-mailserver/pull/1866))
- **[docs]** Move wiki to gh-pages ([#1826](https://github.com/docker-mailserver/docker-mailserver/pull/1826)) - Special thanks to @polarathene 👨🏻‍💻
- You can [edit the docs](https://github.com/docker-mailserver/docker-mailserver/tree/master/docs/content) now directly with your code changes
- Documentation is now versioned related to docker image versions and viewable here: <https://docker-mailserver.github.io/docker-mailserver/edge/>
## `v9.0.1`
A small update on the notification function which was made more stable as well as minor fixes.
- **[fix]** `_notify` cannot fail anymore - non-zero returns lead to unintended behavior in the past when `DMS_DEBUG` was not set or `0`
- **[refactor]** `check-for-changes.sh` now uses `_notify`
## `v9.0.0`
- **[feat]** Support extra `user_attributes` in accounts configuration ([#1792](https://github.com/docker-mailserver/docker-mailserver/pull/1792))
- **[feat]** Add possibility to use a custom dkim selector ([#1811](https://github.com/docker-mailserver/docker-mailserver/pull/1811))
- **[feat]** TLS: Dual (aka hybrid) certificate support! (eg ECDSA certificate with an RSA fallback for broader compatibility) ([#1801](https://github.com/docker-mailserver/docker-mailserver/pull/1801)).
- This feature is presently only for `SSL_TYPE=manual`, all you need to do is provide your fallback certificate to the `SSL_ALT_CERT_PATH` and `SSL_ALT_KEY_PATH` ENV vars, just like your primary certificate would be setup for manual mode.
- **[security]** TLS: You can now use ECDSA certificates! ([#1802](https://github.com/docker-mailserver/docker-mailserver/pull/1802))
- Warning: ECDSA may not be supported by legacy systems (most pre-2014). You can provide an RSA certificate as a fallback.
- **[fix]** TLS: For some docker-compose setups when restarting the docker-mailserver container, internal config state may have been persisted despite making changes that should reconfigure TLS (eg changing `SSL_TYPE` or replacing the certificate file) ([#1801](https://github.com/docker-mailserver/docker-mailserver/pull/1801)).
- **[refactor]** Split `start-mailserver.sh` ([#1820](https://github.com/docker-mailserver/docker-mailserver/pull/1820))
- **[fix]** Linting now uses local path to remove the sudo dependency ([#1831](https://github.com/docker-mailserver/docker-mailserver/pull/1831)).
### Breaking Changes
- **[security]** TLS: `TLS_LEVEL=modern` has changed the server-side preference order to 128-bit before 256-bit encryption ([#1802](https://github.com/docker-mailserver/docker-mailserver/pull/1802)).
- NOTE: This is still very secure but may result in misleading lower scores/grades from security audit websites.
- **[security]** TLS: `TLS_LEVEL=modern` removed support for AES-CBC cipher suites and follows best practices by supporting only AEAD cipher suites ([#1802](https://github.com/docker-mailserver/docker-mailserver/pull/1802)).
- NOTE: As TLS 1.2 is the minimum required for modern already, AEAD cipher suites should already be supported and preferred.
- **[security]** TLS: `TLS_LEVEL=intermediate` has removed support for cipher suites using RSA for key exchange (only available with an RSA certificate) ([#1802](https://github.com/docker-mailserver/docker-mailserver/pull/1802)).
- NOTE: This only affects Dovecot which supported 5 extra cipher suites using AES-CBC and AES-GCM. Your users MUA clients should be unaffected, preferring ECDHE or DHE for key exchange.
- **[refactor]** Complete refactoring of opendkim script ([#1812](https://github.com/docker-mailserver/docker-mailserver/pull/1812)).
- NOTE: Use `./setup.sh config dkim help` to see the new syntax.
## `v8.0.1`
This release is a hotfix for #1781.
- **[spam]** `bl.spamcop.net` was removed from the list of spam lists since the domain expired and became unusable
## `v8.0.0`
The transfer of the old repository to the new organization has completed. This release marks the new starting point for `docker-mailserver` in the `docker-mailserver` organization. Various improvements were made, small bugs fixed and the complete CI was transferred.
- **[general]** transferred the whole repository to `docker-mailserver/docker-mailserver`
- **[general]** adjusted `README.md` and split off `ENVIRONMENT.md`
- **[ci]** usage of the GitHub Container Registry
- **[ci]** switched from TravisCI to **GitHub Actions for CI/CD**
- now building images for `amd64` and `arm/v7` and `arm/64`
- integrated stale issues action to automatically close stale issues
- adjusted issue templates
- **[build]** completely refactored and improved the `Dockerfile`
- **[build]** improved the `Makefile`
- **[image improvement]** added a proper init process
- **[image improvement]** improved logging significantly
- **[image improvement]** major LDAP improvements
- **[bugfixes]** miscellaneous bug fixes and improvements
### Breaking changes of release `8.0.0`
- **[image improvement]** log-level now defaults to `warn`
- **[image improvement]** DKIM default key size now 4096
- **[general]** the `:latest` tag is now the latest release and `:edge` represents the latest push on `master`
- **[general]** URL changed from `tomav/...` to `docker-mailserver/...`
## `v7.2.0`
- **[scripts]** refactored `target/bin/`
- **[scripts]** redesigned environment variable use
- **[general]** added Code of Conduct
- **[general]** added missing Dovecot descriptions
- **[tests]** enhanced and refactored all tests
## `v7.1.0`
- **[scripts]** use of default variables has changed slightly (consult [environment variables](./ENVIRONMENT.md))
- **[scripts]** Added coherent coding style and linting
- **[scripts]** Added option to use non-default network interface
- **[general]** new contributing guidelines were added
- **[general]** SELinux is now supported
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