[Dovecot-news] Release 2.3.1



We are releasing v2.3.1, which mostly consists of bug fixes for 2.3.0, and few improvements. This is also available via https://repo.dovecot.org if you want packages. libsodium support didn’t get into this build, due to build environment issues, but 2.3.2 will contain it.

  • Submission server support improvements and bug fixes
    • Lots of bug fixes to submission server
  • API CHANGE: array_idx_modifiable will no longer allocate space
  • Particularly affects how you should check MODULE_CONTEXT result, or use REQUIRE_MODULE_CONTEXT.
  • mail_attachment_detection_options setting controls when
    $HasAttachment and $HasNoAttachment keywords are set for mails.
  • imap: Support fetching body snippets using FETCH (SNIPPET) or
  • fs-compress: Automatically detect whether input is compressed or not.
    Prefix the compression algorithm with “maybe-” to enable the
    detection, for example: “compress:maybe-gz:6:…”
  • Added settings to change dovecot.index* files’ optimization behavior.
    See https://wiki2.dovecot.org/IndexFiles#Settings
  • Auth cache can now utilize auth workers to do password hash
    verification by setting auth_cache_verify_password_with_worker=yes.
  • Added charset_alias plugin. See
  • imap_logout_format and pop3_logout_format settings now support all of the generic variables (e.g. %{rip}, %{session}, etc.)

Aki Tuomi
Dovecot oy

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