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Change Log

All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning.

[0.6.0] - 2024-02-14

This version introduces breaking changes in the configuration file. Please read the UPGRADING.md file for more information on how to upgrade from previous versions.

Added

  • Distributed rate-limiting and fail2ban.
  • Expressions in configuration files.

Changed

Fixed

  • Do not include STATUS in IMAP NOOP responses (#234).
  • Redirect OAuth using a 301 instead of a 307 code.

[0.5.0] - 2023-12-27

This version requires a database migration and introduces breaking changes in the configuration file. Please read the UPGRADING.md file for more information.

Added

  • Performance enhancements:
    • Messages are parsed only once and their offsets stored in the database, which avoids having to parse them on every FETCH request.
    • Background full-text indexing.
    • Optimization of database access functions.
  • Storage layer improvements:
    • In addition to FoundationDB and SQLite, now it is also possible to use RocksDB, PostgreSQL and mySQL as a storage backend.
    • Blobs can now be stored in any of the supported data stores, it is no longer limited to the file system or S3/MinIO.
    • Full-text searching con now be done internally or delegated to ElasticSearch.
    • Spam databases can now be stored in any of the supported data stores or Redis. It is no longer necessary to have an SQL server to use the spam filter.
  • Internal directory:
    • User account, groups and mailing lists can now be managed directly from Stalwart without the need of an external LDAP or SQL directory.
    • HTTP API to manage users, groups, domains and mailing lists.
  • IMAP4rev1 Recent flag support, which improves compatibility with old IMAP clients.
  • LDAP bind authentication, to support some LDAP servers such as lldap which do not expose the userPassword attribute.
  • Messages marked a spam by the spam filter can now be automatically moved to the account's Junk Mail folder.
  • Automatic creation of JMAP identities.

Changed

Fixed

  • Spamhaus DNSBL return codes.
  • CLI tool reports authentication errors rather than a parsing error.

[0.4.0] - 2023-10-25

This version introduces some breaking changes in the configuration file. Please read the UPGRADING.md file for more information.

Added

  • Built-in Spam and Phishing filter.
  • Scheduled queries on some directory types.
  • In-memory maps and lists containing glob or regex patterns.
  • Remote retrieval of in-memory list/maps with fallback mechanisms.
  • Macros and support for including files from TOML config files.

Changed

  • config.toml is now split in multiple TOML files for better organization.
  • BREAKING: Configuration key prefix jmap.sieve (JMAP Sieve Interpreter) has been renamed to sieve.untrusted.
  • BREAKING: Configuration key prefix sieve (SMTP Sieve Interpreter) has been renamed to sieve.trusted.

Fixed

[0.3.8] - 2023-09-19

Added

  • Journal logging support
  • IMAP support for UTF8 APPEND

Changed

  • Replaced rpgp with sequoia-pgp due to rpgp bug.

Fixed

  • Fix: IMAP folders that contain a & can't be used (#90)
  • Fix: Ignore empty lines in IMAP requests

[0.3.7] - 2023-09-05

Added

  • Option to disable IMAP All Messages folder (#68).

Changed

Fixed

  • Invalid IMAP FETCH responses for non-UTF-8 messages (#70)
  • Allow STATUS and ACL IMAP operations on virtual mailboxes.
  • IMAP SELECT QRESYNC without specifying a UID causes panic (#67)

[0.3.6] - 2023-08-29

Added

  • Arithmetic and logical expression evaluation in Sieve scripts.
  • Support for storing query results in Sieve variables.
  • Configurable protocol flags for Milter filters.

Changed

Fixed

  • ManageSieve PUTSCRIPT should replace existing scripts.

[0.3.5] - 2023-08-18

Added

  • TCP listener option nodelay.

Changed

Fixed

[0.3.4] - 2023-08-09

Added

Changed

Fixed

  • Successful authentication requests should not count when rate limiting
  • Case insensitive Inbox selection
  • Automatically create Inbox for group accounts

[0.3.3] - 2023-08-02

Added

  • Encryption at rest with S/MIME or OpenPGP.
  • Support for referencing context variables from dynamic values.

Changed

Fixed

  • Support for PKCS8v1 ED25519 keys (#20).

[0.3.2] - 2023-07-28

Added

  • Sender and recipient address rewriting using regular expressions and sieve scripts.
  • Subaddressing and catch-all addresses using regular expressions (#10).

Changed

  • Added CLI to Docker container (#19).

Fixed

  • Workaround for a bug in sqlx that caused SQL time-outs (#15).
  • Support for ED25519 certificates in PEM files (#20).
  • Better handling of concurrent IMAP UID map modifications (#17).
  • LDAP domain lookups from SMTP rules.

[0.3.1] - 2023-07-22

Added

Changed

Fixed

  • Support for OpenLDAP password hashing schemes between curly brackets (#8).
  • Add CA certificates to Docker runtime (#5).

[0.3.0] - 2023-07-16

Added

Changed

  • Rewritten IMAP server to have direct access to the message store (no more IMAP proxy).

Fixed

[0.2.0] - 2022-10-31

Added

  • ManageSieve support.
  • Added UTF8=ACCEPT (RFC 6855) support.

Changed

Fixed

  • Fixed BODY[1] bug.

[0.1.0] - 2022-09-15

Initial release.