Rspamd 1.4.0 发布，Rspamd是一个反垃圾邮件系统，因为使用事件模型和正则表达式优化，其设计工作速度比SpamAssassin还要快。目前推出的功能： regexp规则过滤的不同部分的信息;一些内置的功能分析的信息;模糊哈希支持; SURBL滤波器;电子邮件和性质表支持;控制界面进行远程管理和统计信息收集，一个Perl和卢阿插件系统;统计支持（定向结构刨花板/簸扬） ;兼容SpamAssassin ;和一个客户端程序的电子邮件扫描。类似的规则， rspamd约10倍SpamAssassin 。
该版本包含众多的关键问题修复以及新特性，详细列表如下：
[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