[Dovecot-news] v2.3.2 release candidate released



v2.3.2 is mainly a bugfix release. It contains all the changes in v2.2.36, as well as a bunch of other fixes (mainly for v2.3-only bugs).

  • old-stats plugin: Don’t temporarily enable PR_SET_DUMPABLE while
    opening /proc/self/io. This may still cause security problems if the
    process is ptrace()d at the same time. Instead, open it while still
    running as root.
  • doveadm: Added mailbox cache decision&remove commands. See
    doveadm-mailbox(1) man page for details.
  • doveadm: Added rebuild attachments command for rebuilding
    $HasAttachment or $HasNoAttachment flags for matching mails. See
    doveadm-rebuild(1) man page for details.
  • cassandra: Use fallback_consistency on more types of errors
  • lmtp proxy: Support outgoing SSL/TLS connections
  • lmtp: Add lmtp_rawlog_dir and lmtp_proxy_rawlog_dir settings.
  • submission: Add support for rawlog_dir
  • submission: Add submission_client_workarounds setting.
  • lua auth: Add password_verify() function and additional fields in
    auth request.
  • doveadm-server: TCP connections are hanging when there is a lot of
    network output. This especially caused hangs in dsync-replication.
  • Using multiple type=shared mdbox namespaces crashed
  • mail_fsync setting was ignored. It was always set to “optimized”.
  • lua auth: Fix potential crash at deinit
  • SSL/TLS servers may have crashed if client disconnected during
  • SSL/TLS servers: Don’t send extraneous certificates to client when
    alt certs are used.
  • lda, lmtp: Return-Path header without ‘<’ may have assert-crashed.
  • lda, lmtp: Unencoded UTF-8 in email address headers may assert-crash
  • lda: -f parameter didn’t allow empty/null/domainless address
  • lmtp, submission: Message size limit was hardcoded to 40 MB.
    Exceeding it caused the connection to get dropped during transfer.
  • lmtp: Fix potential crash when delivery fails at DATA stage
  • lmtp: login_greeting setting was ignored
  • Fix to work with OpenSSL v1.0.2f
  • systemd unit restrictions were too strict by default
  • Fix potential crashes when a lot of log output was produced
  • SMTP client may have assert-crashed when sending mail
  • IMAP COMPRESS: Send “end of compression” marker when disconnecting.
  • cassandra: Fix consistency=quorum to work
  • dsync: Lock file generation failed if home directory didn’t exist
  • Snippet generation for HTML mails didn’t ignore &entities inside
    blockquotes, producing strange looking snippets.
  • imapc: Fix assert-crash if getting disconnected and after
    reconnection all mails in the selected mailbox are gone.
  • pop3c: Handle unexpected server disconnections without assert-crash
  • fts: Fixes to indexing mails via virtual mailboxes.
  • fts: If mails contained NUL characters, the text around it wasn’t
  • Obsolete dovecot.index.cache offsets were sometimes used. Trying to
    fetch a field that was just added to cache file may not have always
    found it.

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