[Rspamd-Announce] Rspamd 1.8.2 has been released

Vsevolod Stakhov vsevolod at rspamd.com
Mon Dec 3 15:50:12 UTC 2018

We have released Rspamd 1.8.3 today.

There are no incompatible changes introduced with this version to our
best knowledge. However, due to Bayes changes, you might see slightly
different Bayes outcomes (not likely).

The most important features and fixes

-   Large Unicode handling rework

    Rspamd now provides better access to normalized/unnormalized
    unicode. There are various of changes in the internal routines that
    work with Unicode, including statistics, language detector and
    regular expressions. The outcome of this project is the ability to
    fight against certain techniques applied by spammers to obfuscate

-   Critical fixes related to Unicode

    We have added some fail-safety checks against certain types of
    messages that could cause Rspamd crashes due to invalid unicode in
    headers. This has been also backported to 1.8.2.

-   Redis sentinel support

    Rspamd 1.8.3 includes limited support for Redis Sentinel to allow
    high-availability for access to the non-volatile data. You can get
    more details on the Redis documentation page

-   Kaspersky antivirus support

    Rspamd now supports Kaspersky antivirus using its clamav compatible
    interface via antivirus module

-   Improvements of the Authentication-Results header

    Now, Rspamd produces more readable Authentication-Results header
    used by milter_headers and arc modules. It now can deal with
    multiple DKIM signatures, provides selector information and more
    extended (and traditional) data about SPF checks.

-   Better statistical tokens

    We continue to improve Bayes filtering quality by adding more tokens
    produced from URLs found in the text. In some rare cases this might
    cause slightly changed results with pre-trained statistical corpus.

-   Better and RFC conformant support of pct in DMARC module

Full list of the meaningful changes

-   [CritFix] Make flags mutually exclusive for mime parts
-   [CritFix] Strictly deny unencoded bad utf8 sequences in headers
-   [Feature] Add Kaspersky antivirus support
-   [Feature] Add method to get dkim results
-   [Feature] Add more words regexp classes
-   [Feature] Allow to choose words format in rspamadm mime
-   [Feature] Allow to get all types of words from Lua
-   [Feature] Allow to get task flags in C expressions
-   [Feature] Allow to require encryption when accepting connections
-   [Feature] Ignore bogus whitespaces in the words
-   [Feature] Implement more strict configuration tests
-   [Feature] Improve SPF results in Authentication-Results
-   [Feature] Support ClickHouse database
-   [Fix] Add fail-safety for utf8 regexps
-   [Fix] Do not trigger BROKEN_CONTENT_TYPE on innocent text parts
-   [Fix] Emit error if connection has been terminated with no stop
-   [Fix] Fix boundaries checks in embedded messages
-   [Fix] Fix double free
-   [Fix] Perform policy downgrade on sample out, add tests
-   [Fix] Properly escape utf8 regexps in hyperscan mode
-   [Fix] Selectors - attachments args condition
-   [Fix] Some fixes for raw parts
-   [Fix] Treat learning errors as non-fatal
-   [Fix] Use tld when looking for DKIM domains
-   [Project] Words unicode structure rework
-   [Project] Add preliminary Redis Sentinel support
-   [Project] Improve Authentication-Results header
-   [Project] Rework DKIM checks results
-   [Project] Use more generalised API to produce meta words

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