# CHANGELOG

This file contains all the latest changes and updates to Postal.

## [3.3.7](https://github.com/postalserver/postal/compare/3.3.6...3.3.7) (2026-06-03)


### Bug Fixes

* **http:** prevent SSRF in outbound webhook and HTTP endpoint requests ([11c9814](https://github.com/postalserver/postal/commit/11c9814474f956619da35e8385ef7fab9f304de0))
* **message-db:** prevent SQL injection via condition keys (GHSA-x2hq-rfpg-3xr5) ([4314a6e](https://github.com/postalserver/postal/commit/4314a6ec1e2812daa67dd20effd1db1769c1f8e8))
* **specs:** stub IPv6 support in address guard IPv6 literal spec ([029bfe0](https://github.com/postalserver/postal/commit/029bfe098d9b8c0b5cafc49eac33e767f5748cd3))


### Miscellaneous Chores

* **deps:** upgrade rack & rails ([0445e5c](https://github.com/postalserver/postal/commit/0445e5c509870dfe9c16366c53dee3fc02ad3904))
* update security vulnerability reporting instructions ([8be1e27](https://github.com/postalserver/postal/commit/8be1e27fec489ab659ef5e909f705932028b1694))

## [3.3.6](https://github.com/postalserver/postal/compare/3.3.5...3.3.6) (2026-04-28)


### Bug Fixes

* **messages:** sandbox rendered email HTML as extra XSS defence ([cad2aa6](https://github.com/postalserver/postal/commit/cad2aa6808519a3ff25215f09f4966d9fa3bb372))


### Miscellaneous Chores

* ignore node modules and yarn.lock ([b611d57](https://github.com/postalserver/postal/commit/b611d577af79b8e1e75b6d47fa04d1ba03e34eec))


### Code Refactoring

* **auth:** tighten return_to validation ([84f4e20](https://github.com/postalserver/postal/commit/84f4e20f05db2d11b0144f95960c956f8221e657))
* **helpers:** escape interpolated values in select options ([9243524](https://github.com/postalserver/postal/commit/924352403553dcfcc569876ca76c219493fac9d6))
* **tracking:** remove unused src image proxy ([dca7f90](https://github.com/postalserver/postal/commit/dca7f90b9046247c0d953567be35921167e79d87))

## [3.3.5](https://github.com/postalserver/postal/compare/3.3.4...3.3.5) (2026-02-01)


### Bug Fixes

* **deliveries:** escape delivery details to prevent HTML injection ([11419f9](https://github.com/postalserver/postal/commit/11419f99140e13688a9613cab3ee03f8d3cbae45))
* **health_server:** use rackup handler instead of rack handler ([7c47422](https://github.com/postalserver/postal/commit/7c47422c865e738c4d6af0fed1cca4405288341f))
* oidc scopes are invalid when concatenated ([#3332](https://github.com/postalserver/postal/issues/3332)) ([9c5f96a](https://github.com/postalserver/postal/commit/9c5f96ae90cf06dcd5db776806865752f667bd95))
* typo in process logging ([#3212](https://github.com/postalserver/postal/issues/3212)) ([b7e5232](https://github.com/postalserver/postal/commit/b7e5232e077b3c9b7a999dcb6676fba0ec61458e))
* typo in the credentials page ([fd3c7cc](https://github.com/postalserver/postal/commit/fd3c7ccdf6dc4ee0a76c9523cbd735159e4b8000))
* update url for v2 config ([#3225](https://github.com/postalserver/postal/issues/3225)) ([e00098b](https://github.com/postalserver/postal/commit/e00098b8003cf37f2708f536871b3ade377aed2d))


### Documentation

* **process.rb:** add help about time unit used by metric ([#3339](https://github.com/postalserver/postal/issues/3339)) ([f5325c4](https://github.com/postalserver/postal/commit/f5325c49ff1152ad53eaaec98717ad3412d379ae))


### Miscellaneous Chores

* **deps:** upgrade puma, net-imap and other deps ([c03c44b](https://github.com/postalserver/postal/commit/c03c44b442a29aa9881c1e1aae60bead9776a6b6))
* **dockerfile:** reduce container size ([86de372](https://github.com/postalserver/postal/commit/86de372382bd62bdd5d1372254f8817b0360bd56))
* remove version from docker-compose.yml ([c78000c](https://github.com/postalserver/postal/commit/c78000ca8f2998aa04648f465060768db6467de6))
* upgrade resolv to 0.6.2 ([d00d978](https://github.com/postalserver/postal/commit/d00d978872a96369544303d08f6a9d11cdf56b62))
* upgrade to rails 7.1 and ruby 3.4 ([#3457](https://github.com/postalserver/postal/issues/3457)) ([ab6d443](https://github.com/postalserver/postal/commit/ab6d4430baa33a05f1aa66e776cc2a5bcaa0ede8))
* upgrade uri gem to 1.0.3 ([f193b8e](https://github.com/postalserver/postal/commit/f193b8e77fc096382ab7aaa6a2c29641b4cb12df))

## [3.3.4](https://github.com/postalserver/postal/compare/3.3.3...3.3.4) (2024-06-20)


### Bug Fixes

* fix `postal version` command ([4fa88ac](https://github.com/postalserver/postal/commit/4fa88acea0dececd0eae485506a2ad8268fbea59))
* fix issue running message pruning task ([3a33e53](https://github.com/postalserver/postal/commit/3a33e53d843584757bb00898746aa059d7616db4))
* raise NotImplementedError when no call method on a scheduled task ([2b0919c](https://github.com/postalserver/postal/commit/2b0919c1454eabea93db96f50ecbd8e36bb89f1f))

## [3.3.3](https://github.com/postalserver/postal/compare/3.3.2...3.3.3) (2024-04-18)


### Bug Fixes

* **legacy-api:** allow _expansions to be provided as true to return all expansions ([39f704c](https://github.com/postalserver/postal/commit/39f704c256fc3e71a1dc009acc77796a1efffead)), closes [#2932](https://github.com/postalserver/postal/issues/2932)

## [3.3.2](https://github.com/postalserver/postal/compare/3.3.1...3.3.2) (2024-03-21)


### Code Refactoring

* **versioning:** improve how current version and branch is determined and set ([07c6b31](https://github.com/postalserver/postal/commit/07c6b317f2b9dc04b6a8c88df1e6aa9e54597504))

## [3.3.1](https://github.com/postalserver/postal/compare/3.3.0...3.3.1) (2024-03-21)


### Bug Fixes

* **smtp-sender:** ensure relays without a host are excluded ([3a56ec8](https://github.com/postalserver/postal/commit/3a56ec8a74950e0162d98f1af5f58a67a82d6455))
* **smtp-sender:** fixes `SMTPSender.smtp_relays` ([b3264b9](https://github.com/postalserver/postal/commit/b3264b942776e254d3c351c94c435d172a514e18))


### Miscellaneous Chores

* **container:** add the branch name to the container ([bee5098](https://github.com/postalserver/postal/commit/bee509832edc151d97fe5bfc48c4973452873fc8))
* **github-actions:** don't generate commit- tags ([d65bbe0](https://github.com/postalserver/postal/commit/d65bbe0579037c5df962a18134bc007f5159d7e5))
* **github-actions:** don't run for dependabot or release-please PRs and fetch whole repo ([adaf2b0](https://github.com/postalserver/postal/commit/adaf2b07502e9ed91290873ad8465051c6fd814f))
* **github-actions:** include a version string on branch-*/latest images ([64bc7dc](https://github.com/postalserver/postal/commit/64bc7dcf7c0a8e006ab6eb6e8b4a52ad5e7e6528))
* **ui:** display branch in footer if present ([1823617](https://github.com/postalserver/postal/commit/18236171ebc398c157f2e61b15c7df9f91205284))


### Code Refactoring

* remove moonrope but maintain legacy API actions ([#2889](https://github.com/postalserver/postal/issues/2889)) ([4d9654d](https://github.com/postalserver/postal/commit/4d9654dac47d59c760be96388d0421de74d3e6ac))

## [3.3.0](https://github.com/postalserver/postal/compare/3.2.2...3.3.0) (2024-03-18)


### Features

* **prometheus:** add `postal_message_queue_latency` metric ([ee8d829](https://github.com/postalserver/postal/commit/ee8d829a854f91e476167869cafe35c2d37bb314))
* **worker:** allow number of threads to be configured ([7e2accc](https://github.com/postalserver/postal/commit/7e2acccd1ebd80750a3ebdb96cb5c36b5263cc24))
* **worker:** scale connection pool with worker threads ([ea542a0](https://github.com/postalserver/postal/commit/ea542a0694b3465b04fd3ebc439837df414deb1e))


### Bug Fixes

* **message-dequeuer:** ability to disable batching ([4fcb9e9](https://github.com/postalserver/postal/commit/4fcb9e9a2e34be5aa4bdf13f0529f40e564b72b4))


### Miscellaneous Chores

* **config-docs:** update docs for latest oidc defaults ([364eba6](https://github.com/postalserver/postal/commit/364eba6c5fce2f08a36489f42856ad5024a2062c))
* **config-docs:** update proxy protocol to mention v1 ([45dd8aa](https://github.com/postalserver/postal/commit/45dd8aaac56f15481cb7bf9081401cb28dc1e707))

## [3.2.2](https://github.com/postalserver/postal/compare/3.2.1...3.2.2) (2024-03-14)


### Bug Fixes

* don't use authentication on org & server deletion ([be45652](https://github.com/postalserver/postal/commit/be456523dd3aacb5c3eb45c9261da97ebffe603c))
* **smtp-server:** fixes proxy protocol ([9240612](https://github.com/postalserver/postal/commit/92406129cfcf1a06499a6f5aa18c73f1d6195793))


### Miscellaneous Chores

* allow config location message to be suppressed ([f760cdb](https://github.com/postalserver/postal/commit/f760cdb5a1d53e9c30ee495d129cbf12603a3cbd))
* hide further config messages ([1c67f72](https://github.com/postalserver/postal/commit/1c67f72209c93404d7024ce3d15f6f54f2d707c4))
* suppress config location on default-dkim-record ([aa76aae](https://github.com/postalserver/postal/commit/aa76aae2322af41af1bd60cfe1d69a11ac76324e))


### Tests

* add tests for the legacy API ([3d208d6](https://github.com/postalserver/postal/commit/3d208d632f4fc8a4adbfdb2bf4b377271eae6692))

## [3.2.1](https://github.com/postalserver/postal/compare/3.2.0...3.2.1) (2024-03-13)


### Bug Fixes

* fixes `postal default-dkim-record` ([58dddeb](https://github.com/postalserver/postal/commit/58dddebeb81dc6fab945d2b10a91588eddc471c2))

## [3.2.0](https://github.com/postalserver/postal/compare/3.1.1...3.2.0) (2024-03-13)


### Features

* add sha256 signatures to outgoing http requests ([#2874](https://github.com/postalserver/postal/issues/2874)) ([96d7365](https://github.com/postalserver/postal/commit/96d73653d7cb4dde1fbe74ccb3596147ef8cd9ed))
* automatically remove queued messages with stale locks ([#2872](https://github.com/postalserver/postal/issues/2872)) ([d84152e](https://github.com/postalserver/postal/commit/d84152eb5df6f963426d6ba8d02d39b3c146c8a5))
* openid connect support ([#2873](https://github.com/postalserver/postal/issues/2873)) ([5ed94f6](https://github.com/postalserver/postal/commit/5ed94f6f855735aa00544b2574dfb9e65d559a38))


### Bug Fixes

* **smtp-server:** add additional information to cram-md5 log entries ([9982bb8](https://github.com/postalserver/postal/commit/9982bb8c31ee4885d188666e2e8afdc218528df7))


### Styles

* **rubocop:** Style/TrailingCommaInArrayLiteral ([4e13577](https://github.com/postalserver/postal/commit/4e13577891dc827244abc6bf6d9ab4ee45860556))


### Miscellaneous Chores

* regenerate config docs ([5d8213a](https://github.com/postalserver/postal/commit/5d8213a98735f07fdf1700c7d01597654f41dbd0))

## [3.1.1](https://github.com/postalserver/postal/compare/3.1.0...3.1.1) (2024-03-08)


### Bug Fixes

* don't override paths in dockerfile ([9399e32](https://github.com/postalserver/postal/commit/9399e3223467cdacd010e70b58ad6093e128213d))


### Tests

* **smtp-sender:** add more tests for AUTH LOGIN ([22dcd49](https://github.com/postalserver/postal/commit/22dcd4901f188915cf4b3c758c6f2fc637a4e1e3))

## [3.1.0](https://github.com/postalserver/postal/compare/3.0.2...3.1.0) (2024-03-06)


### Features

* configurable trusted proxies for web requests ([3785c99](https://github.com/postalserver/postal/commit/3785c998513c634d225b489ccb43e926ce3f270a))


### Bug Fixes

* **message-dequeuer:** ensure SMTP endpoints are sent to SMTP sender appropriately ([e2d642c](https://github.com/postalserver/postal/commit/e2d642c0cbf443550886d90abc3a6edf3e4bc4fc)), closes [#2853](https://github.com/postalserver/postal/issues/2853)
* **smtp-server:** listen on all interfaces by default ([d1e5b68](https://github.com/postalserver/postal/commit/d1e5b68200ea4b9710cc8714afb3271bad1f4f66)), closes [#2852](https://github.com/postalserver/postal/issues/2852)
* **smtp-server:** remove ::ffff: from the start of ipv4 addresses ([0dc7359](https://github.com/postalserver/postal/commit/0dc7359431001c9ef1222913f8d1344093397596))
* **smtp-server:** reset ansi sequence after logging ([9bf6152](https://github.com/postalserver/postal/commit/9bf6152060ffb8b611b66818c1d1ac7c929b7ffe))
* **ui:** fixes typo on queue page ([33513a7](https://github.com/postalserver/postal/commit/33513a77c0df24d832ab7ed5237d68e2b1bde887))
* **web-server:** allow for trusted proxies not be set ([4e1deb2](https://github.com/postalserver/postal/commit/4e1deb2d2aeb61d9dddb3729916411c94e73c1c6))


### Styles

* **rubocop:** use _ when not using a variable in helm config exporter ([2c20ba6](https://github.com/postalserver/postal/commit/2c20ba65f64ccb0f8174e3f523dedb3806478782))

## [3.0.2](https://github.com/postalserver/postal/compare/3.0.1...3.0.2) (2024-03-05)


### Bug Fixes

* default to listening on all addresses when using legacy config ([48f6494](https://github.com/postalserver/postal/commit/48f6494240eb0374d5f865425b362e6f306b2653))


### Miscellaneous Chores

* removing arm64 support until we can get a reasonable build pipeline sorted ([e8e44f5](https://github.com/postalserver/postal/commit/e8e44f54b09426c8a04e466bc037851a0833d124))

## [3.0.1](https://github.com/postalserver/postal/compare/3.0.0...3.0.1) (2024-03-05)


### Bug Fixes

* fix issue with sending mail when smtp relays are configured ([6dd6e29](https://github.com/postalserver/postal/commit/6dd6e29929c70eaa8b9d3b33c184996b0b6abb82))

## [3.0.0](https://github.com/postalserver/postal/compare/2.3.2...3.0.0) (2024-03-04)

This version of Postal introduces a number of larger changes. Please be sure to follow the [upgrade guide](https://docs.postalserver.io/getting-started/upgrade-to-v3) when upgrading to Postal v3. Highlights include:

* Removal of RabbitMQ dependency
* Removal of `cron` and `requeuer` processes
* Improved logging
* Improved configuration
* Adds prometheus metric exporters for workers and SMTP servers
* Only accepted RFC-compliant end-of-DATA sequences (to avoid SMTP smuggling)

### Features

* add health server and prometheus metrics to worker ([a2eb70e](https://github.com/postalserver/postal/commit/a2eb70e))
* add option to delay starting processes until all migrations are run ([1c5ff5a](https://github.com/postalserver/postal/commit/1c5ff5a))
* add prometheus metrics to smtp server ([2e7b36c](https://github.com/postalserver/postal/commit/2e7b36c))
* add prometheus metrics to worker ([bea7450](https://github.com/postalserver/postal/commit/bea7450))
* more consistent logging ([044058d](https://github.com/postalserver/postal/commit/044058d))
* new background work process ([dc8e895](https://github.com/postalserver/postal/commit/dc8e895))
* new configuration system (and schema) (#2819) ([0163ac3](https://github.com/postalserver/postal/commit/0163ac3))
* only accept RFC-compliant End-of-DATA sequence ([0140dc4](https://github.com/postalserver/postal/commit/0140dc4))
* add "postal:update" task ([b35eea6](https://github.com/postalserver/postal/commit/b35eea6338f1888bfac2ed377d0a412680483e90))
* add helm env var config exporter ([8938988](https://github.com/postalserver/postal/commit/893898835dcd9684ae3401549389b173a3feb1fb))
* include list-unsubscribe-post header in dkim signatures ([e1bae60](https://github.com/postalserver/postal/commit/e1bae60768c4cf151d5a6a141985c78753dce02d)), closes [#2789](https://github.com/postalserver/postal/issues/2789) [#2788](https://github.com/postalserver/postal/issues/2788)
* support for additional SMTP client options ([0daa667](https://github.com/postalserver/postal/commit/0daa667b55fd9b948da643d37ec438e341809369))


### Bug Fixes

* fixes potential issue if machine hostname cannot be determined ([0fcf778](https://github.com/postalserver/postal/commit/0fcf778))
* raise an error if MX lookup times out during sending ([fadca88](https://github.com/postalserver/postal/commit/fadca88)), closes [#2833](https://github.com/postalserver/postal/issues/2833)
* set correct component in health server log lines ([a7a9a18](https://github.com/postalserver/postal/commit/a7a9a18))
* translate unicode domain names to Punycode for compatibility with DNS (#2823) ([be0df7b](https://github.com/postalserver/postal/commit/be0df7b))
* remove user email verification ([e05f0b3](https://github.com/postalserver/postal/commit/e05f0b3616da8b962b763c48a2139882fd88047a))
* unescape in URLs which are stored for tracking ([1da1182](https://github.com/postalserver/postal/commit/1da1182c23e9673d8f109d8ed29e80983cdccabf)), closes [#2568](https://github.com/postalserver/postal/issues/2568) [#907](https://github.com/postalserver/postal/issues/907) [#115](https://github.com/postalserver/postal/issues/115)
* update wording about tracking domain cnames ([0d3eccb](https://github.com/postalserver/postal/commit/0d3eccb368630b4fd21bd858a7829ec00c35f153)), closes [#2808](https://github.com/postalserver/postal/issues/2808)


### Documentation

* add message_db.encoding to config docs ([0c1f925](https://github.com/postalserver/postal/commit/0c1f925))
* add new repo readme welcome image ([afa1726](https://github.com/postalserver/postal/commit/afa1726))
* add quick contributing instructions ([8d21adc](https://github.com/postalserver/postal/commit/8d21adc))
* update SECURITY policy ([cfc1c9b](https://github.com/postalserver/postal/commit/cfc1c9b))
* update docs for how IP address allocation works ([07eb152](https://github.com/postalserver/postal/commit/07eb152)), closes [#2209](https://github.com/postalserver/postal/issues/2209)

### Miscellaneous Chores

* upgrade bundler to 2.5.6 ([1ae8ef6](https://github.com/postalserver/postal/commit/1ae8ef6))
* upgrade rails to 7.0 and other dependencies ([ecd09a2](https://github.com/postalserver/postal/commit/ecd09a2))
* upgrade ruby to 3.2.2 and nodejs to 20.x ([72715fe](https://github.com/postalserver/postal/commit/72715fe))

## [2.3.2](https://github.com/postalserver/postal/compare/2.3.1...2.3.2) (2024-03-01)


### Bug Fixes

* truncate output and details in deliveries to 250 characters ([694240d](https://github.com/postalserver/postal/commit/694240ddcdef1df9b32888de8fb743d2dee86462)), closes [#2831](https://github.com/postalserver/postal/issues/2831)

## [2.3.1](https://github.com/postalserver/postal/compare/2.3.0...2.3.1) (2024-02-23)


### Bug Fixes

* update raw headers after changing messages to during parsing ([2834e2c](https://github.com/postalserver/postal/commit/2834e2c37971db9b0b0498e38b382cf1f8ee26eb)), closes [#2816](https://github.com/postalserver/postal/issues/2816)


### Miscellaneous Chores

* **github-actions:** add 'docs' label to exclude from staleness checks ([57b72fb](https://github.com/postalserver/postal/commit/57b72fb4b7f7fc934cfa23906de65b8f6d6d1978))
* **github-actions:** add action to close stale issues and PRs ([d90a456](https://github.com/postalserver/postal/commit/d90a456dfa661d87e820160d2045c73c765564d2))
* **github-actions:** allow stale action to be run on demand ([559b08d](https://github.com/postalserver/postal/commit/559b08ddd31ecd904fd09c1e2822161b853166b9))

## [2.3.0](https://github.com/postalserver/postal/compare/2.2.2...2.3.0) (2024-02-13)


### Features

* privacy mode ([15f9671](https://github.com/postalserver/postal/commit/15f9671b667cf369255aaa27ee4257267990095c))
* remove strip_received_headers config option ([ed2e62b](https://github.com/postalserver/postal/commit/ed2e62b94fe76d7aeca0ede98f11a1c4f94c5996))


### Bug Fixes

* add ruby platform to gemfile ([1fceef7](https://github.com/postalserver/postal/commit/1fceef7cea76352fd6166fb3f1e8d0ff8591078e))
* explicitly disable TLS & starttls for unknown SSL modes ([42ab5b3](https://github.com/postalserver/postal/commit/42ab5b3a6b21992c89f8479137699dc9090f0ccc)), closes [#2564](https://github.com/postalserver/postal/issues/2564)
* fix bug with received header in SMTP server ([ba5bfbd](https://github.com/postalserver/postal/commit/ba5bfbd6a0af9ea33bedb2948822417bd1a3fbc5))
* retry mysql connections on message DB pool ([f9f7fb3](https://github.com/postalserver/postal/commit/f9f7fb30fee46b661b6dccde4362383ea591532b))
* use correct method for disconnecting smtp connections ([7c23994](https://github.com/postalserver/postal/commit/7c23994d243ec7d9a17ee053f8c3fa8de0a33097))


### Styles

* **rubocop:** disable complexity cops for now ([930cf39](https://github.com/postalserver/postal/commit/930cf39dba37401f90e293c938dee07daf3d9a31))
* **rubocop:** disable Style/SpecialGlobalVars ([be97f43](https://github.com/postalserver/postal/commit/be97f4330897f96085eb29ed7019b1a3e50af88e))
* **rubocop:** disable Style/StringConcatenation cop ([d508772](https://github.com/postalserver/postal/commit/d508772a40ef26e5c3a8304aa1f2b8c7985081bd))
* **rubocop:** Layout/* ([0e0aca0](https://github.com/postalserver/postal/commit/0e0aca06c90f6d2f4db1c4090a35c4537c76e13a))
* **rubocop:** Layout/EmptyLineAfterMagicComment ([0e4ed5c](https://github.com/postalserver/postal/commit/0e4ed5ca0393f9a56e1efa7ae377d2e4b876bfe1))
* **rubocop:** Layout/EmptyLines ([0cf35a8](https://github.com/postalserver/postal/commit/0cf35a83926d499a279775bcc32dd4ea79b7a8c9))
* **rubocop:** Layout/EmptyLinesAroundBlockBody ([cfd8d63](https://github.com/postalserver/postal/commit/cfd8d63321d1821aad7fa9d6b8462c3d551aca61))
* **rubocop:** Layout/LeadingCommentSpace ([59f299b](https://github.com/postalserver/postal/commit/59f299b704533488b74075beb8692397eb434aab))
* **rubocop:** Layout/LineLength ([e142d0d](https://github.com/postalserver/postal/commit/e142d0da5fbee19e6f9f1741ff9dee0a2d7dd169))
* **rubocop:** Layout/MultilineMethodCallBraceLayout ([a5d5ba5](https://github.com/postalserver/postal/commit/a5d5ba5326728413bb95456e92c854977d225a7f))
* **rubocop:** Lint/DuplicateBranch ([a1dc0f7](https://github.com/postalserver/postal/commit/a1dc0f77ac69937d7f30c9401608dfbe66987d45))
* **rubocop:** Lint/DuplicateMethods ([bab6346](https://github.com/postalserver/postal/commit/bab6346239e4f50bdd51101c45f3a0cd66f47096))
* **rubocop:** Lint/IneffectiveAccessModifier ([6ad56ee](https://github.com/postalserver/postal/commit/6ad56ee9c9e5bad19b065fcec3ada3280adbb1f4))
* **rubocop:** Lint/MissingSuper ([4674e63](https://github.com/postalserver/postal/commit/4674e63b5ff84307f5b772e870e88109af2daf52))
* **rubocop:** Lint/RedundantStringCoercion ([12a5ef3](https://github.com/postalserver/postal/commit/12a5ef3279bf6c1e5c38bf7e846de1d17bf98c09))
* **rubocop:** Lint/ShadowedException ([0966b44](https://github.com/postalserver/postal/commit/0966b44018bc1e2f131358635776fcc3b75ee8eb))
* **rubocop:** Lint/ShadowingOuterLocalVariable ([7119e86](https://github.com/postalserver/postal/commit/7119e8642dffeee7a27f90145073e45664ea58d3))
* **rubocop:** Lint/SuppressedException ([278ef08](https://github.com/postalserver/postal/commit/278ef0886ac53e6bed15793301dc69c95a37dbde))
* **rubocop:** Lint/UnderscorePrefixedVariableName ([ec7dcf4](https://github.com/postalserver/postal/commit/ec7dcf4f9a0bdb367a90f1a3b35336909ebc60d7))
* **rubocop:** Lint/UnusedBlockArgument ([ee94e4e](https://github.com/postalserver/postal/commit/ee94e4e1a013bbe8fbdd8ef94f15ed0fa20709ac))
* **rubocop:** Lint/UselessAssignment ([7590a46](https://github.com/postalserver/postal/commit/7590a462341bddd412e660db9546ba1909aea9d7))
* **rubocop:** Naming/FileName ([919a601](https://github.com/postalserver/postal/commit/919a60116c5d81ed787061ff4614da4f1e067d4e))
* **rubocop:** Naming/MemoizedInstanceVariableName ([9563f30](https://github.com/postalserver/postal/commit/9563f30c96fba12073e845319b8d79a542d88109))
* **rubocop:** relax method length and block nexting for now ([b0ac9ef](https://github.com/postalserver/postal/commit/b0ac9ef0b96ab78c2961f45b6e9f20f87a6f1d07))
* **rubocop:** remaining offences ([ec63666](https://github.com/postalserver/postal/commit/ec636661d5c4b9e8f48e6f263ffef834acb68b39))
* **rubocop:** Security/YAMLLoad ([389ea77](https://github.com/postalserver/postal/commit/389ea7705047bf8700836137514b2497af3c6c01))
* **rubocop:** Style/AndOr ([b9f3f31](https://github.com/postalserver/postal/commit/b9f3f313f8ec992917bad3a51f0481f89675e935))
* **rubocop:** Style/ClassAndModuleChildren ([e896f46](https://github.com/postalserver/postal/commit/e896f4689a8fc54979f0a6c2b7ce14746856bad6))
* **rubocop:** Style/For ([04a3483](https://github.com/postalserver/postal/commit/04a34831c74a3a44547f93100c35db650bc4eef6))
* **rubocop:** Style/FrozenStringLiteralComment ([6ab36c0](https://github.com/postalserver/postal/commit/6ab36c09c966eb9a8b8ada52155f74d2537977f2))
* **rubocop:** Style/GlobalStdStream ([75be690](https://github.com/postalserver/postal/commit/75be6907483ea25f828461eb790d3f6f46ca683b))
* **rubocop:** Style/GlobalVars ([157d114](https://github.com/postalserver/postal/commit/157d11457c520147807901b75b3ba22d29172f24))
* **rubocop:** Style/HashEachMethods ([c995027](https://github.com/postalserver/postal/commit/c995027ff53962ae49341372f75e2bf43ecde0d2))
* **rubocop:** Style/HashExcept ([83ac764](https://github.com/postalserver/postal/commit/83ac76451071f097e7197f77fc5ad16e9cf58593))
* **rubocop:** Style/IdenticalConditionalBranches ([6a58ecf](https://github.com/postalserver/postal/commit/6a58ecf605250b8fa891cb14fca0c0e0ce0d7eb9))
* **rubocop:** Style/MissingRespondToMissing ([ffcb707](https://github.com/postalserver/postal/commit/ffcb707247fe2a69905aa6e4dc668abeb9924611))
* **rubocop:** Style/MultilineBlockChain ([c6326a6](https://github.com/postalserver/postal/commit/c6326a6524e6d71d23bc2c256f3f9416c38b0846))
* **rubocop:** Style/MutableConstant ([129dffa](https://github.com/postalserver/postal/commit/129dffab9ed8726ca4066e7052adc699129de2d2))
* **rubocop:** Style/NumericPredicate ([c558f1c](https://github.com/postalserver/postal/commit/c558f1c69ce9498564161d8cef3fcb8213103498))
* **rubocop:** Style/PreferredHashMethods ([013b3ea](https://github.com/postalserver/postal/commit/013b3ea9315c14f24b08574d68e1688f33d78b8d))
* **rubocop:** Style/SafeNavigation ([00a02f2](https://github.com/postalserver/postal/commit/00a02f2655b6e3296ad0e7ea9b9872da936b56ed))
* **rubocop:** Style/SelectByRegexp ([9ce28a4](https://github.com/postalserver/postal/commit/9ce28a427fadf6fafd942e009792be4b5539d40d))
* **rubocop:** Style/StringLiterals ([b4cc812](https://github.com/postalserver/postal/commit/b4cc81264c85d5f0061e5b5121a30d7bdcabc189))
* **rubocop:** Style/WordArray ([bd85920](https://github.com/postalserver/postal/commit/bd8592056573d1c6933d753ed50bdf9a7466e761))
* **rubocop:** update rubocop rules ([6d4dea7](https://github.com/postalserver/postal/commit/6d4dea7f7f0145ff2b99cf2505bc70a3e5925256))


### Miscellaneous Chores

* annotate models ([6214892](https://github.com/postalserver/postal/commit/6214892710e21c2aa29a319d5809f7bdf0d50529))
* silence message DB migrations during provisioning ([c83601a](https://github.com/postalserver/postal/commit/c83601af69f35e338b1f7c10ef7994f74b96f8bf))


### Code Refactoring

* remove reloading on the smtp server ([c3c304e](https://github.com/postalserver/postal/commit/c3c304e98b3274433248792b6403acf63d7a513b))


### Tests

* add initial tests for Postal::SMTPServer::Client ([dece1d4](https://github.com/postalserver/postal/commit/dece1d487ac2fdce104700939a79a5579b60a0cb))
* FactoryBot.lint will lint all registered factories ([25d7d66](https://github.com/postalserver/postal/commit/25d7d66b4709fe5442d554097a6ef074aeb15f72))
* remove FACTORIES_EXCLUDED_FROM_LINT ([1cf665a](https://github.com/postalserver/postal/commit/1cf665a0cf61d1eae3d08bdadf6fccaab6413023))

## [2.2.2](https://github.com/postalserver/postal/compare/2.2.1...2.2.2) (2024-02-06)


### Bug Fixes

* adds new connection pool which will discard failed clients ([54306a9](https://github.com/postalserver/postal/commit/54306a974802c2e4d17e0980531e2d0dba08150a)), closes [#2780](https://github.com/postalserver/postal/issues/2780)
* re-add reconnect: true to database ([7bc5230](https://github.com/postalserver/postal/commit/7bc5230cbaae58fb6f8512d1d1b0e6a2eb989b56))
* upgrade nokogiri ([f05c2e4](https://github.com/postalserver/postal/commit/f05c2e4503688e59a5ef513a5a1064d0ebbb5813))


### Tests

* rename database spec file ([b9edcf5](https://github.com/postalserver/postal/commit/b9edcf5b7dda7f4976a9d3f90668bbdacea57350))

## [2.2.1](https://github.com/postalserver/postal/compare/2.2.0...2.2.1) (2024-02-03)


### Bug Fixes

* fixes issue starting application in production mode ([4528a14](https://github.com/postalserver/postal/commit/4528a14d273c141e5719f19c3b08c00364b47638))


### Code Refactoring

* remove Postal.database_url ([96ba4b8](https://github.com/postalserver/postal/commit/96ba4b8f309cfcd1d605e5c7fc05507b21c78c6f))

## [2.2.0](https://github.com/postalserver/postal/compare/2.1.6...2.2.0) (2024-02-01)


### Features

* load signing key path from POSTAL_SIGNING_KEY_PATH ([4a46f69](https://github.com/postalserver/postal/commit/4a46f690de3010f1ae4d6c17739530a4eae35c09))
* support for configuring postal with environment variables ([854aa5e](https://github.com/postalserver/postal/commit/854aa5ebc87de692b4691d48759aefd6fae9d133))


### Bug Fixes

* don't use indifferent access for job params ([2bad645](https://github.com/postalserver/postal/commit/2bad645d980ad4b712a3c863b5350e4ee2895071)), closes [#2477](https://github.com/postalserver/postal/issues/2477) [#2714](https://github.com/postalserver/postal/issues/2714) [#2476](https://github.com/postalserver/postal/issues/2476) [#2500](https://github.com/postalserver/postal/issues/2500)
* extract x-postal-tag before holding ([6b2bf90](https://github.com/postalserver/postal/commit/6b2bf9062d662ede14617c4995ffaacca023a3b1)), closes [#2684](https://github.com/postalserver/postal/issues/2684)
* fixes error messages in web ui ([71f51db](https://github.com/postalserver/postal/commit/71f51db3c2515addaf8b280667555427d64796be))
* ignore message DB migrations in autoloader ([3fb40e4](https://github.com/postalserver/postal/commit/3fb40e4e247893b314e42affa4604a7a71a52c59))
* move tracking middleware before host authorization ([49cceaa](https://github.com/postalserver/postal/commit/49cceaa6ca862965448041279fc439ecba163ff8)), closes [#2415](https://github.com/postalserver/postal/issues/2415)
* use utc timestamps when determining raw table names ([ce19bf7](https://github.com/postalserver/postal/commit/ce19bf7988d522bf46aabf68090751427e286ffc))


### Miscellaneous Chores

* add binstubs for bundle and rspec ([41f6cf4](https://github.com/postalserver/postal/commit/41f6cf4d909518526af55ecb3fcccfa8fb8e1da2))
* add script to send html emails to a local SMTP server ([8794a2f](https://github.com/postalserver/postal/commit/8794a2f44783658a075a6f3985079ae4743412b1))


### Code Refactoring

* remove explicit autoload ([0f9882f](https://github.com/postalserver/postal/commit/0f9882f13204124df630606b1b9e36787c9c4011))
* remove Postal::Job.perform method ([990b575](https://github.com/postalserver/postal/commit/990b575902c45bb1678cc95f53ef3166c4b7092e))

## [2.1.6](https://github.com/postalserver/postal/compare/2.1.5...2.1.6) (2024-01-30)


### Miscellaneous Chores

* **build:** fixes docker login action credentials ([8810856](https://github.com/postalserver/postal/commit/88108566f8ab33f1a4263a36a5c1ffc071645ac3))
* update release please to include more categories in changelog ([e156c21](https://github.com/postalserver/postal/commit/e156c21dee304de7d10c2958c493cce73c2d8fea))

## [2.1.5](https://github.com/postalserver/postal/compare/2.1.4...2.1.5) (2024-01-30)


### Bug Fixes

* duplicate string before modifying it to prevent frozen string errors ([f0a8aca](https://github.com/postalserver/postal/commit/f0a8aca6e10064fb16daefff9e22dcc20a831868))
* fixed typo (rfc number) ([2f62baa](https://github.com/postalserver/postal/commit/2f62baa238fc1102706ee4acf079b7a876b05283))
* fixes typo in on track domains page ([77bd77b](https://github.com/postalserver/postal/commit/77bd77b629fcbc44b8d27deb0d33a457b02309f2))
* mail view encoding issue [#2462](https://github.com/postalserver/postal/issues/2462) ([#2596](https://github.com/postalserver/postal/issues/2596)) ([59f4478](https://github.com/postalserver/postal/commit/59f44781973489817efb5b3435d95d25f44f90ce))
* match IPv4 mapped IPv6 addresses when searching for SMTP-IP credentials ([8b525d0](https://github.com/postalserver/postal/commit/8b525d0381a9e0113af808b9ec2eb47bf78ec60b))

## 2.1.4

### Bug Fixes

- Move RubyVer functionality to Utilities module ([5998bf](https://github.com/postalserver/postal/commit/5998bf376a274df19f29877e7f68ea75f298c9f9))

## 2.1.3

### Features
- Upgrade to Ruby 3.2.1 & Rails 6.1 ([957b78](https://github.com/postalserver/postal/commit/957b784658cda8c4c95cf1f2b65e05d99d23d427))
- Make resent-sender header optional ([c6fb8d](https://github.com/postalserver/postal/commit/c6fb8d223bdeaccdc9e8bdbd031fe3f325ac0677))
- Log CRAM-MD5 authentication failures ([9b1ed1](https://github.com/postalserver/postal/commit/9b1ed1e7e16a8f55a5bd7b7ce72195a08ca2968d))
- Always use multipart/alternative parts in generated emails ([d0db13](https://github.com/postalserver/postal/commit/d0db1345a2bf8f538b01b974e74391da6fffe2b1))

### Bug Fixes

- Use non-blocking function to negotiate TLS connections ([a7dd19](https://github.com/postalserver/postal/commit/a7dd19baac8300f4d8ee89d0050479e08fdf9176))
- Fix to newline conversion process ([9f4ef8](https://github.com/postalserver/postal/commit/9f4ef8f57a839c5529b4f00a36b832740386b4ed))
- Remove custom scrollbars ([b22f1b](https://github.com/postalserver/postal/commit/b22f1bdb2e2d66b096ca993d6a5f4f708274a4a2))
- Truncate 'output' field to avoid overflowing varchar(512) in database ([a188a1](https://github.com/postalserver/postal/commit/a188a161cbdcfd70158b09b53cef622842357c26))
- Fix link replacement in multipart messsages ([7ea00d](https://github.com/postalserver/postal/commit/7ea00dfa3bc3c7650cc2b134beacbff22101a913))
- Fix confusing error message when deleting IP pools ([cefc7d](https://github.com/postalserver/postal/commit/cefc7d17b82f610001859a8e323ee1dfde149ba5))
- Connect to correct IP rather than hostname suring SMTP delivery ([159509](https://github.com/postalserver/postal/commit/159509a3ed29ae33cba522b255904992922dcfdf))
- Change retry timings to avoid re-sending messages too early ([c8d27b](https://github.com/postalserver/postal/commit/c8d27b2963af122d6555abdf0742d2d2d6f11ce5))

## 2.1.2

### Features

- support for AMQPS for rabbitmq connections ([9f0697](https://github.com/postalserver/postal/commit/9f0697f194209f5fae5e451ba8fb888413fe37fa))

### Bug Fixes

- retry connections without SSL when SSL issue is encountered during smtp sending ([0dc682](https://github.com/postalserver/postal/commit/0dc6824a8f0315ea42b08f7e6812b821b62489c9))

## 2.1.1

### Features

- allow @ and % in webhook urls ([c60c69](https://github.com/postalserver/postal/commit/c60c69db1800775776da4c28c68001f230fe5888))

### Bug Fixes

- fixes broken styling on errors ([a0c87e](https://github.com/postalserver/postal/commit/a0c87e7bf16a19f06c13797e3329a4fed91370a1))
- use the Postal logger system for the rails log ([5b04fa](https://github.com/postalserver/postal/commit/5b04faca39c69757bd7d695b82984f8b4a41cac3))

## 2.1.0

### Features

- support for configuring the default spam threshold values for new servers ([724325](https://github.com/postalserver/postal/commit/724325a1b97d61ef1e134240e4f70aaad39dbf98))
- support for using rspamd for spam filtering ([a1277b](https://github.com/postalserver/postal/commit/a1277baba56ea6d6b4da4bba87b00cd3dbf0305e))

### Bug Fixes

- **dkim:** fixes timing race condition when signing emails ([232b60](https://github.com/postalserver/postal/commit/232b605f5bb8ab61156e1fb9860705fed017ed41))
- **docker:** fixes issue caused by changes to underlying ruby:2.6 image ([6570ff](https://github.com/postalserver/postal/commit/6570ff1f7797ff9a307dd96ed4ff37be14bf79ab))

## 2.0.0

### Features

- **ui:** add footer with links to docs and discussions ([1247da](https://github.com/postalserver/postal/commit/1247dae2e060a695a13a30ba072ca5e6dea45202))

### Bug Fixes

- **dkim:** ensure DKIM-Signature headers are appropriately wrapped ([476129](https://github.com/postalserver/postal/commit/476129cc1ba44e9014768d5ba7193587f78cb5d5))
- **docs:** update port numbers to specify the actual port number the SMTP server is listening on ([4404b3](https://github.com/postalserver/postal/commit/4404b3e02c1722808157c3f590310ead9e28641d))
- **logging:** fix spelling of graylog ([2a11e0](https://github.com/postalserver/postal/commit/2a11e0c0a5b7c7f630af28cf4af5511d9bce6dda))

## 2.0.0-beta.1

### Features

- **config:** support for loading a postal.local.yml config file from the config root if it exists ([8e3294](https://github.com/postalhq/postal/commit/8e3294ba1af4b797d36bd1ca9226190ed80f65cc))
- **smtp_server:** allow bind address to be configured ([4a410c](https://github.com/postalhq/postal/commit/4a410c8c9f6fa1ef993a68c37afeaf31230585f7))
- add priorities to IP address assignment ([21a8d8](https://github.com/postalhq/postal/commit/21a8d890459958375d4a49a5b7f31f4900a9e8b1))

### Bug Fixes

- **dkim:** fixes bug with signing dkim bodies ([189dfa](https://github.com/postalhq/postal/commit/189dfa509b4750f1e4cc6f43f6565edd3a35139c))
- **smtp_server:** attempt to redact plain-text passwords from log output ([fcb636](https://github.com/postalhq/postal/commit/fcb63616e1ce578d7d4fd1c96ddc4ee0f7a71534))
- **smtp_server:** fixes issue with malformed rcpt to ([e0ba05](https://github.com/postalhq/postal/commit/e0ba05acb11108d98a460ae3fac653ceefb5f672))
- **smtp_server:** refactor mx lookups to randomly order mx records with the same priority ([bc2239](https://github.com/postalhq/postal/commit/bc22394fdd4f26dddd576840b49d7c25802cda7d))
- **smtp_server:** updated line split logic, normalize all linebreaks to \r\n ([e8ba9e](https://github.com/postalhq/postal/commit/e8ba9ee4276e81af84ecb6ff6f0c024ef99f6ddc))
- add resolv 0.2.1 ([eef1a3](https://github.com/postalhq/postal/commit/eef1a365a28e133750c4d5a4ac0eeeed223e303d))
- always obey POSTAL_CONFIG_ROOT ([1d22ca](https://github.com/postalhq/postal/commit/1d22ca0f85b58b04aedde9071d9fc5ecd44af4de))
- fix issue with determining if an SMTP connection is encrypted or not ([73870d](https://github.com/postalhq/postal/commit/73870d6a92400fc8ec1493016817dfac074ffd06))
- remove a few leftover fast server artifacts ([5cd06e](https://github.com/postalhq/postal/commit/5cd06e126b6caac502245754b360194365152415))
- replace Fixnum with Integer ([52a23f](https://github.com/postalhq/postal/commit/52a23fa86f94c14dfc7edccbf414dda34c46bc12))
