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Changelog

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).
  • [general] Added stop_grace_period: to example Compose file and supervisord (#1896 #1945)
  • [general] ./setup.sh email list was enhanced, now showing information neatly (#1898)
  • [general] Added update check and notification (#1976, #1951)
  • [general] Moved environment variables to the documentation and improvements (#1948, #1947, #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, #1886)
  • [ldap] Added LDAP_QUERY_FILTER_SENDERS (#1902)
  • [ldap] Use dovecots LDAP uris connect option instead of hosts (#1901)
  • [ldap] Complete rework of LDAP documentation (#1921)
  • [docs] PRs that contain changes to docs will now be commented with a preview link (#1988)

Breaking Changes

  • [security] Fail2Ban adjustments:
    • Fail2ban v0.11.2 is now used (#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).
    • A ban now applies to all ports (iptables-allports), not just the ones that were "attacked" (#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).
  • [general] Removed stable release tag (#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, #2021)

v9.1.0

This release marks the breakpoint where the wiki was transferred to a reworked documentation

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)
  • [feat] Add possibility to use a custom dkim selector (#1811)
  • [feat] TLS: Dual (aka hybrid) certificate support! (eg ECDSA certificate with an RSA fallback for broader compatibility) (#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)
    • 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).
  • [refactor] Split start-mailserver.sh (#1820)
  • [fix] Linting now uses local path to remove the sudo dependency (#1831).

Breaking Changes

  • [security] TLS: TLS_LEVEL=modern has changed the server-side preference order to 128-bit before 256-bit encryption (#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).
    • 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).
    • 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).
    • 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)
  • [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