1.4.3:
* [CritFix] Backport PTR_ARRAY_FOREACH fix
* [CritFix] Fix descriptors leak on reload
* [Feature] Add `caseless_hash` method to `lua_util`
* [Feature] Use t1ha for hashes, allow inlining
* [Feature] Use t1ha instead of metrohash and xxhash32
* [Fix] Another try to fix descriptors leak
* [Fix] Another try to fix reload and logger
* [Fix] Avoid extensive reallocs
* [Fix] Avoid race condition on saving cache and reload
* [Fix] Backport redis pool fixes from master
* [Fix] Break pool connection on fatal redis errors
* [Fix] Fix argument returned on redis backend errors
* [Fix] Fix errors handling in fuzzy backend initialization
* [Fix] Fix race condition in SIGUSR2 handler
* [Fix] Fix reload and hyperscan ready event
* [Fix] More fixes to logger initialization
* [Fix] Plug memory leak in learning fuzzy storage
1.4.2:
* [CritFix] Deal with absent headers in DKIM
* [CritFix] Do not trust remote shingles count
* [CritFix] Fix headers selection in DKIM verification
* [Feature] Add EXT_CSS rule
* [Feature] Add toggle for disabling SURBLs
* [Feature] Extend redis lock when learning spawned
* [Feature] Parse <link> HTML tags
* [Fix] Avoid reusing g_error (Fixes#1262)
* [Fix] Do not reset loaded ANN when learning is requested
* [Fix] Fix another issue with external deps in SA
* [Fix] Fix body trie matching
* [Fix] Fix checking of DKIM bodies that needs just `\n` to be added
* [Fix] Fix fuzzy hashes count
* [Fix] Fix keys names
* [Fix] Fix length calculations for url encoded urls
* [Fix] Fix matching of the same patterns from different tries
* [Fix] Fix name of var
* [Fix] Fix parsing of URLs with spaces and other bad chars
* [Fix] Fix probability calculations for fuzzy redis backend
* [Fix] Fix signing headers creation in DKIM
* [Fix] Plug memory leak
* [Fix] Really fix chained SA dependencies
* [Fix] Really increase lock lifetime
* [Fix] Use checksum to avoid intersection between different ANNs
* [Fix] Use rspamd hashes in embedded ucl
* [Fix] Yet another change for testing external deps
1.4.1:
* [Feature] ASN support in Clickhouse module
* [Feature] Add clickhouse plugin
* [Feature] Add generic tool to add universal maps for lua modules
* [Feature] Add logger.debugm to debug lua modules
* [Feature] Allow to register metrics symbols using register_symbol
* [Feature] Allow to specify prefix for fann_redis
* [Feature] Clickhouse: support different masks for IPv4/IPv6
* [Feature] Support forcing action in antivirus plugin
* [Fix] Add handling of regexp maps
* [Fix] Allow backslashes in http urls
* [Fix] Avoid mapping of empty files
* [Fix] Do not load tld file to speed up rspamadm
* [Fix] Do not resolve numeric IP addresses due to ipv6 insanity
* [Fix] Filter incorrect training data
* [Fix] Fix Fuzzyconvert tool when password or DB is given
* [Fix] Fix build with custom glib/gmime
* [Fix] Fix converting of learn count from sqlite to redis
* [Fix] Fix crashes with invalid received and task:set_from_ip
* [Fix] Fix external dependencies for SA module
* [Fix] Fix fann_redis when number of scores has been changed
* [Fix] Fix hyperscan usage for non compatible platforms
* [Fix] Fix loading of maps from UCL objects
* [Fix] Fix memory leak for task-less redis requests
* [Fix] Fix mid module with new maps syntax
* [Fix] Fix parsing of URLs with username
* [Fix] Fix re cache initialisation
* [Fix] Fix replacements to sanitize '%' character
* [Fix] Fix set and regexp like static maps
* [Fix] Fix some issues in redis settings
* [Fix] Fix static IP maps
* [Fix] Fix total learns counter for redis stats
* [Fix] Fix usage of config during reload
* [Fix] Fix various warnings and issues
* [Fix] Invalidate ANN if training data is incorrect
* [Fix] Miltiple fixes to fann_redis module
* [Fix] More fixes for URLs with backslashes
* [Fix] Properly get options for ip_score module
* [Fix] Relax requirements for Received as gmail cannot RFC
* [Fix] Remove or fix hyperscan incompatible regexps
* [Fix] Settings: correctly read redis config
* [Rework] Rework lua logger interface slightly
* [Rework] Use new maps add function
1.4.0:
* [CritFix] Add guards for inactive redis connections
* [CritFix] Another fix for proxying files using rspamd_proxy
* [CritFix] Cleanup inactive redis connections
* [CritFix] Do not sometimes try to exec posfilters before classification
* [CritFix] Fix application of IPv6 mask
* [CritFix] Fix chunked encoding when reading messages
* [CritFix] Fix file mode for rspamd_proxy
* [CritFix] Fix hyperscan compilation on regexp change
* [CritFix] Fix issue with finding of end of lines pointers
* [CritFix] Fix iteration over headers array (introduced in 1.4)
* [CritFix] Fix processing of learned tokens count for redis backend
* [CritFix] Fix race condition in checking of cached maps
* [CritFix] Fix workers scripts by sharing workers configs
* [CritFix] Introduce raw content to text parts
* [CritFix] Plug memory leak and potential memory corruption
* [Feature] Adaptive ratelimits
* [Feature] Add ASN -> rbldnsd script for asn.rspamd.com
* [Feature] Add DMARC_NA symbol
* [Feature] Add F-Prot support to antivirus module
* [Feature] Add HTTP backend to metadata exporter
* [Feature] Add Lua API module for monitored objects
* [Feature] Add R_DKIM_NA / R_SPF_NA / AUTH_NA symbols
* [Feature] Add R_DKIM_PERMFAIL symbol
* [Feature] Add R_SPF_PERMFAIL symbol
* [Feature] Add Sophos antivirus support
* [Feature] Add ZSTD compression to Lua API
* [Feature] Add `mid` Lua module
* [Feature] Add `one_param` flag for metric symbols
* [Feature] Add a generic lua classifier
* [Feature] Add a very basic interface to access workers data from on_load
* [Feature] Add ability to delete a hash by its data to fuzzy_check plugin
* [Feature] Add ability to enable/disable symbols via dynamic_conf
* [Feature] Add ability to lookup settings by key
* [Feature] Add common way to disable Lua modules
* [Feature] Add compression support to rspamd client
* [Feature] Add condition to do antiviral check
* [Feature] Add configuration for lua classifiers
* [Feature] Add configuration knobs for the errors circular buffer
* [Feature] Add decompression support in rspamd client
* [Feature] Add errors exporter to the controller
* [Feature] Add expected value for monitored DNS resources
* [Feature] Add exporter from error ringbuf to ucl
* [Feature] Add extended version for fann creation function
* [Feature] Add ffi friendly version of process_regexp function
* [Feature] Add frequency and time display to webui
* [Feature] Add fuzzy_delhash command to rspamc client
* [Feature] Add implementation of redis connections pool
* [Feature] Add latency and offline time monitoring
* [Feature] Add learning support for lua classifiers
* [Feature] Add max-size and timeout options to CGP helper
* [Feature] Add method to enable/disable symbols in config
* [Feature] Add methods to get metric's actions and symbols from Lua
* [Feature] Add mmap support to lua_text
* [Feature] Add monitored object for surbl plugin
* [Feature] Add more exceptions to surbl whitelist
* [Feature] Add more meta-tokens to bayes
* [Feature] Add neural net classifier to fann_scores module
* [Feature] Add neural net serialization/deserialization
* [Feature] Add new dynamic conf module
* [Feature] Add periodic events support for lua_config
* [Feature] Add plugin to check MX'es for the sender's domain
* [Feature] Add preliminary monitored module
* [Feature] Add preliminary support of dynamic conf updates in Redis
* [Feature] Add preliminary version of clamav plugin
* [Feature] Add redis cache to asn module
* [Feature] Add replies compression
* [Feature] Add spamhaus DROP dnsbl
* [Feature] Add support for dictionary in client compression
* [Feature] Add support for fuzzy learn and unlearn from lua
* [Feature] Add support for input encryption
* [Feature] Add support of min_learns to neural net classifier
* [Feature] Add termination callbacks for workers
* [Feature] Add user-agent for rspamc
* [Feature] Add utility to perform classifier tests
* [Feature] Add zstd compression library
* [Feature] Allow HTTPS requests in lua_http
* [Feature] Allow conditions for pre and postfilters
* [Feature] Allow custom functions for ratelimits
* [Feature] Allow for excluding messages from AV scanning based on size
* [Feature] Allow for getting worker stats from Lua
* [Feature] Allow getting task UID from Lua
* [Feature] Allow parsing of mailbox messages from the commandline
* [Feature] Allow plugins to publish their lua API via rspamd_plugins
* [Feature] Allow to compare other systems with Rspamd
* [Feature] Allow to execute Lua scripts by controller
* [Feature] Allow to have a function to set custom greylist message
* [Feature] Allow to iterate over multiple tags
* [Feature] Allow to pass extra data from plugins to log helper
* [Feature] Allow to plan new periodics at different time
* [Feature] Allow to reset hashes
* [Feature] Allow to run rspamadm lua just as a lua interpreter
* [Feature] Allow to store settings in redis
* [Feature] Allow to update dynamic conf in Redis
* [Feature] Allow to use dictionaries for compression
* [Feature] Allow to use md5, sha1, sha256, sha384 and sha512 hashes in Lua
* [Feature] Allow whitelisting by IP for greylisting plugin
* [Feature] Antivirus: Support whitelists & pattern-matching sig names
* [Feature] Backport pack/unpack routines from Lua 5.3
* [Feature] Check settings with equal priopities in alphabetical order
* [Feature] Compress neural net in redis
* [Feature] Consider more tags when doing WHITE_ON_WHITE rule
* [Feature] Descriptive options for DMARC failure symbols
* [Feature] Descriptive options for RBL symbols
* [Feature] Enable configuration for monitored objects
* [Feature] Execute on_load scripts with ev_base ready
* [Feature] Fann scores now uses metadata from a message
* [Feature] Implement FANN threaded learning
* [Feature] Implement classifying for lua classifiers
* [Feature] Implement finish scripts for worker processes
* [Feature] Implement monitoring for DNS resources
* [Feature] Implement real priorities for pre and post filters
* [Feature] Insert two symbols: FANN_HAM and FANN_SPAM instead of one
* [Feature] Module to push metadata/messages to redis pubsub
* [Feature] Monitor RBL records
* [Feature] Move fann_classifier to a separate plugin
* [Feature] Normalize all ANN inputs
* [Feature] Preliminary version of metric exporter module
* [Feature] Preserve decompression context between tasks
* [Feature] Ratelimit: Support dynamic bucket size/leak rate
* [Feature] Relax FORGED_RECIPIENTS: allow senders to BCC themselves
* [Feature] Remove symbols weights on composites processing
* [Feature] Return symbol scores when getting resulting symbols
* [Feature] Rework lua tcp module
* [Feature] Rule to detect some obvious X-PHP-Originating-Script forgeries
* [Feature] Rule to identify some X-PHP-Script forgeries
* [Feature] Rules for scoring Google Message-ID fixes
* [Feature] Send hashes values to reply
* [Feature] Set expire for dmarc reports
* [Feature] Stop using cymru zone as it is unstable
* [Feature] Stop using of GLists for headers, improve performance
* [Feature] Store `for` in task:get_received_headers
* [Feature] Store `for` part in received headers
* [Feature] Store enabled flag for webui session
* [Feature] Store error messages in ring buffer
* [Feature] Support compressed maps
* [Feature] Support excluding selected users from ratelimits
* [Feature] Support looking up NS records in lua_dns
* [Feature] Support modern style SURBL configuration
* [Feature] Support multiple hashes in delhash path
* [Feature] Support new messages in rspamc
* [Feature] Support requests without reads in lua_tcp
* [Feature] Support setting task message from Lua
* [Feature] Track visibility of HTML elements
* [Feature] Try to add CRLF when checking DKIM
* [Feature] Try to guess line endings when folding headers
* [Feature] Try to improve normalization function for bayes
* [Feature] Use FFI to optimize SA module
* [Feature] Use length based arguments for redis, allow lua_text as arg
* [Feature] Use more layers for fann and another normalization
* [Feature] User-defined ratelimits
* [Feature] Utility to convert fuzzy storage from sqlite to redis
* [Feature] Yield DMARC_DNSFAIL on lookup failure
* [Fix] Adopt fuzzy storage for flexible backends
* [Fix] Allow plain IP addresses in Rspamd maps
* [Fix] Another fix for brain-damaged hiredis
* [Fix] Another fix for rdns write errors
* [Fix] Another fix for rdns_make_request_full invocation
* [Fix] Another fix in DKIM canonicalization
* [Fix] Another memory leak plugged
* [Fix] Another try to deal with posix idiotizm
* [Fix] Another try to fix RDNS events processing logic
* [Fix] Avoid double frees in HEAD requests
* [Fix] Avoid extra symbols for RBLs
* [Fix] Banish table.maxn from Lua parts
* [Fix] Check for socket error before connection in lua_tcp
* [Fix] Correctly propagate redis timeouts to Lua
* [Fix] Do not add extra newline in MIME mode
* [Fix] Do not be cheated by system hiredis
* [Fix] Do not classify when a message has not enough tokens
* [Fix] Do not crash on redis errors
* [Fix] Do not distinguish NXDOMAIN and NOREC for monitored
* [Fix] Do not replan retransmits if merely one server is defined
* [Fix] Do not use headers to calculate messages digests
* [Fix] Don't force action in replies module for authenticated users/local networks
* [Fix] Explicitly ban default passwords in webui
* [Fix] Finally fix ambiguity between parsed and resolved spf elts
* [Fix] Fix 'decoded' value in task:get_header_full()
* [Fix] Fix DKIM calculations
* [Fix] Fix DKIM signing for messages with no newline at the end
* [Fix] Fix DNS request in monitored
* [Fix] Fix DNS write errors processing
* [Fix] Fix HTTP methods other than GET and POST
* [Fix] Fix PERMFAIL for v6/v4 ambiguities
* [Fix] Fix absurdic scores for HFILTER_URL_ONLY
* [Fix] Fix actions in rolling history
* [Fix] Fix actrie patterns
* [Fix] Fix applying of lua dynamic confg
* [Fix] Fix autolearning errors and redis cache
* [Fix] Fix bayes learn_condition
* [Fix] Fix build with the recent OpenSSL
* [Fix] Fix caching and compressed maps
* [Fix] Fix check plain text part
* [Fix] Fix crash on OpenBSD in `url_email_start`
* [Fix] Fix double free in SPF
* [Fix] Fix extraction of shingles from redis fuzzy storage
* [Fix] Fix false sharing for symbols in the cache
* [Fix] Fix float usage in util:get_time
* [Fix] Fix folding algorithm to deal with empty tokens
* [Fix] Fix format string
* [Fix] Fix format string usage in controller errors handling
* [Fix] Fix handling of '\0' in lua_tcp
* [Fix] Fix handling of HTTP HEAD methods
* [Fix] Fix hash creation
* [Fix] Fix hiredis stupidity
* [Fix] Fix implicit settings module settingsup
* [Fix] Fix interaction with lua GC to avoid craches
* [Fix] Fix ip_score module registration
* [Fix] Fix issue with empty messages and dkim
* [Fix] Fix issues with CGP helper
* [Fix] Fix issues with the recent SPF changes
* [Fix] Fix key name to load ANN correctly
* [Fix] Fix lua tcp module by saving `do_read` in callback data
* [Fix] Fix memory leak in client when using compression
* [Fix] Fix min_learns option
* [Fix] Fix on_finish scripts and async handlers
* [Fix] Fix options for SPF dnsfail symbol
* [Fix] Fix parsing includes and redirects in SPF
* [Fix] Fix parsing of lua comments with empty lines
* [Fix] Fix parsing of unquoted HTML attributes
* [Fix] Fix periodic events and redis
* [Fix] Fix processing of fuzzy learns from Lua
* [Fix] Fix processing of redirect in SPF includes
* [Fix] Fix processing of symbols when reject limit is reached
* [Fix] Fix refcounts when map is specified by IP
* [Fix] Fix rspamd{session} class in Lua API
* [Fix] Fix setting ratelimit key for 'ip' bucket
* [Fix] Fix some cases of TLD urls detector
* [Fix] Fix statconvert tool
* [Fix] Fix stats for backend-less classifiers
* [Fix] Fix training script for fann_redis
* [Fix] Fix variable in ann module
* [Fix] Fix various errors in lua dynamic conf plugin
* [Fix] Forget old ANN when max_usages is reached to avoid overtrain
* [Fix] Further canonicalization fixes
* [Fix] Further fixes for fann_redis prefixes
* [Fix] Handle failures for inactive pooled connections
* [Fix] Improve multimap info message
* [Fix] More fixes in ANN loading
* [Fix] More fixes to fann_redis
* [Fix] More issues in fann_redis
* [Fix] More spaces fix in DKIM signature
* [Fix] Multiple fixes to asn script, add IPv6 support
* [Fix] Multiple issues in fann_redis
* [Fix] No greylist rejected messages
* [Fix] One more attempt to fix lua_redis
* [Fix] One more check for readdir...
* [Fix] Params should be treated as a hash
* [Fix] Plug memory leak in regexp desctructor
* [Fix] Process headers only once
* [Fix] Properly handle nil values in ratelimit plugin
* [Fix] Really fix redis shingles check
* [Fix] Remove fann with incorrect layers count
* [Fix] Remove mentions of deleted include
* [Fix] Remove some incompatible functions
* [Fix] Settings: fix `authenticated` parameter (#886)
* [Fix] Skip MX check for authenticated users and local networks
* [Fix] Slightly fix ANN routines
* [Fix] Stop caching records with DNS failures
* [Fix] Treat all errors in redis_pool as fatal errors for a connection
* [Fix] Try avoid false-positives in HEADER_FORGED_MDN rule
* [Fix] Try to avoid race condition when using rrd
* [Fix] Try to reload redis scripts if they are missing
* [Fix] Unbreak once_received skipping for local networks
* [Fix] Unlock ANN on error
* [Fix] Use memmove for overlapping regions
* [Fix] Use real size instead of displayed for core limits
* [Fix] Use the correct macro to get the size of control
* [Fix] Various fixes for errors ringbuffer
* [Fix] Yield R_SPF_DNSFAIL if lookup of included record fails
* [Fix] mid: fix map initialization
* [Fix] mid: handle incorrect rgexps in the map
* [Rework] Add extract training data function to fann_redis
* [Rework] Add preliminary train tests
* [Rework] Add redis storage feature to fann_redis
* [Rework] Adopt fuzzy storage for abstract backend
* [Rework] Adopt plugins
* [Rework] First reiteration on fann scores
* [Rework] Implement loading/invalidating
* [Rework] Make lua_redis task agnostic
* [Rework] Make rspamd protocol messages useful
* [Rework] Massive removal of legacy code
* [Rework] More cleanup actions
* [Rework] Remove legacy code never used for classifiers
* [Rework] Remove outdated and unused lua_session module
* [Rework] Reorganize fuzzy backend structure
* [Rework] Reorganize the internal backend structure
* [Rework] Restore old fann_scores, move common parts
* [Rework] Rework and simplify rbl plugin
* [Rework] Rework parsing of DMARC records
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