Log Message:
Updated rspamd to 1.6.1.

1.6.1: 14 Jun 2017
	* [Fix] Allow to init resolver without rspamd_config
	* [Fix] Do not crash when resolver failed to initialize
	* [Fix] Fix abstract context layout
	* [Fix] Fix CGP helper reply parsing
	* [Fix] Fix crashes when socket write errors occur
	* [Fix] Fix parsing IPv6 nameservers in resolv.conf
	* [Fix] Milter: Don't defer on "greylist" action

1.6.0: 12 Jun 2017
	* [Conf] Add rspamd_proxy to the default configuration set
	* [Conf] Add sample arc module config
	* [Conf] Do away with systemd specifics completely
	* [Conf] Increase min_bytes to avoid FP
	* [Conf] Remove ratelimits from default configuration
	* [CritFix] Fix accepting on IPv6 sockets
	* [CritFix] Fix corruption when multiple fuzzy are defined
	* [CritFix] Fix learn condition in fuzzy check
	* [CritFix] Fix memory leak in fuzzy check
	* [CritFix] Fix memory leak in maps scheduling
	* [CritFix] Paese the last character in DKIM signature correctly
	* [CritFix] Zero fill sockaddr_un
	* [Feature] Add ability to add doc strings by example
	* [Feature] Add API to verify DKIM (and ARC) signatures
	* [Feature] Add compression/decompression to proxy
	* [Feature] Add count to url structure
	* [Feature] Add initial support of the new protocol reply
	* [Feature] Add Lua plugin spamtrap
	* [Feature] Add `monitored_address` for rbls
	* [Feature] Add new schema for bayes tokens
	* [Feature] Add preliminary ARC support to dkim code
	* [Feature] Add preliminary support of ARC signing
	* [Feature] Add rules to detect bad 8bit characters in From and To
	* [Feature] Add scanning support for milter protocol
	* [Feature] Add support for bidirectional symbols in rspamd_stats
	* [Feature] Add support for static maps
	* [Feature] Add support of maps with multiple regexps matches
	* [Feature] Add `text_multiplier` param
	* [Feature] Add the preliminary ARC plugin
	* [Feature] Add top redirector targets rank
	* [Feature] Allow async events to be registered from LUA rules
	* [Feature] Allow storing bayes tokens in Redis
	* [Feature] Allow to exclude specific domains from mx check
	* [Feature] Allow to have a stack of watcher finalisers
	* [Feature] Allow to pass hostname to `-i` flag in Rspamc
	* [Feature] Allow to set custom user agent in url redirector
	* [Feature] Allow to use custom callback when parsing resolv.conf
	* [Feature] Allow to use domain from authenticated user
	* [Feature] Bayes expiry plugin
	* [Feature] Check dkim sign keys for modifications
	* [Feature] DKIM signing: sign_networks/local address specific use_domain settings
	* [Feature] DMARC: Support excluding domains from sampling
	* [Feature] Expire processing items for URL redirector aggressively
	* [Feature] Fix surbl monitored for IP lists, add `monitored_domain` option
	* [Feature] Implement caching for dkim body hashes
	* [Feature] Implement milter protocol scan reply
	* [Feature] Improve omograph phishing detection
	* [Feature] Initial support of self-scan in Rspamd proxy
	* [Feature] Keep track of headers in milter interface
	* [Feature] Milter headers: better controls for local/authenticated
	* [Feature] Multimap: email:domain:tld filter
	* [Feature] Preliminary DMARC reporting implementation
	* [Feature] Reuse stemmers in the cache
	* [Feature] Rework confighelp to load Lua plugins
	* [Feature] Rework hfilter to use hyperscan if possible
	* [Feature] Rework lua RSA API
	* [Feature] Rmilter_headers: approximate rmilter's extended_spam_headers
	* [Feature] Start integration of milter support in proxy
	* [Feature] Store average words length and short words count
	* [Feature] Store hash of headers order and names
	* [Feature] Support MTA name header
	* [Feature] Support multiple types of dkim signing in Lua
	* [Feature] Support numeric arguments for Redis requests
	* [Feature] Use headers hash in bayes metatokens
	* [Feature] Use normal resolv.conf rules of rotation in Rspamd
	* [Feature] Use version 2 proto for checking messages
	* [Fix] Allow to follow symlinks when safe
	* [Fix] Append MX name for authentication results as required
	* [Fix] Change default text multiplier from 0.5 to 2.0
	* [Fix] Check min_bytes for images as well
	* [Fix] Deal with 7bit charsets properly
	* [Fix] Deal with 8bit characters in email addresses
	* [Fix] Deal with unpaired <a> tags
	* [Fix] Detect confighelp in plugins initialisation
	* [Fix] Disable certain checks for utf spoof detection
	* [Fix] DKIM Signing: avoid nil index when From header is missing
	* [Fix] Do not add exact hashes from different parts
	* [Fix] Do not check DMARC if SPF or DKIM were not checked
	* [Fix] Do not check URLs that are resolved to be redirected
	* [Fix] Do not set bayes probability if we don't use it
	* [Fix] Do not stop on illegal unicode points - replace them
	* [Fix] Fix another race condition in arc checks
	* [Fix] Fix arc count logic
	* [Fix] Fix ARC signing
	* [Fix] Fix brain-damaged spamc protocol for now
	* [Fix] Fix calling for peak functions
	* [Fix] Fix couple of issues in FORWARDED rule
	* [Fix] Fix CTE propagation from parent containers to children parts
	* [Fix] Fix errors processing in the controller
	* [Fix] Fix format string in milter
	* [Fix] Fix issues in SPF macros parsing
	* [Fix] Fix logging format string
	* [Fix] Fix logic of cached passwords check
	* [Fix] Fix lowercasing of stemmed words
	* [Fix] Fix LRU elements removal
	* [Fix] Fix memory leak when accepting from unix sockets
	* [Fix] Fix milter connections persistence
	* [Fix] Fix objects merging in UCL
	* [Fix] Fix order of operations to avoid race condition
	* [Fix] Fix parsing of long regexp types
	* [Fix] Fix passing data to log helper when many symbols defined
	* [Fix] Fix pools management for milter session
	* [Fix] Fix processing of the watchers
	* [Fix] Fix queue id macro in milter
	* [Fix] Fix R_BAD_CTE_7BIT rule
	* [Fix] Fix Redis timeout set
	* [Fix] Fix REPLYTO_UNPARSEABLE rule
	* [Fix] Fix setting of email address
	* [Fix] Fix some more issues about duplicated fuzzy requests
	* [Fix] Fix spamc support in rspamd proxy
	* [Fix] Fix syntax error in spamtrap plugin
	* [Fix] Fix url counts for href urls
	* [Fix] Fix url handling in the protocol
	* [Fix] Multimap: Received IP filters with Redis
	* [Fix] Oops, fix d9d0fa5e86db2f4470d34395a233b450478b2f60
	* [Fix] Parse rgb[a](x,x,x[,x]) css colors
	* [Fix] Phishing: strict_domains
	* [Fix] Reduce maps aggressiveness
	* [Fix] Reresolve upstreams even if there is a single server there
	* [Fix] Rspamadm grep: Disable Lua patterns in string search by default
	* [Fix] Skip text parts when checking binary parts in fuzzy check
	* [Fix] Support v2 checks in controller
	* [Fix] Treat empty address as valid
	* [Fix] Try harder to detect CTE
	* [Fix] Try to deal with v4 mapped to v6 addresses on accept
	* [Fix] Use dkim signing callback properly
	* [Fix] Use non-volatile memory for storing data
	* [Fix] Use static maps instead of ugly hack for radix_from_config
	* [Fix] Use the same pool for related sessions
	* [Rework] Continue modularisation for lua library
	* [Rework] Initial milter protocol support
	* [Rework] Make log pipes worker agnostic, add scanners API
	* [Rework] Move authentication results generation to a separate routine
	* [Rework] Move common DKIM functions to a separate lua module
	* [Rework] Move global functions to a separate directory
	* [Rework] Prepare dkim module for ARC checks
	* [Rework] Propagate ucl variables from the command line
	* [Rework] Remove multiple metrics support from Rspamd
	* [Rework] Stop using name 'rmilter' for the modern protocol
	* [Rework] Use LFU algorithm in LRU cache
	* [Rules] Fix received TLS rules
	* [Rules] Improve URL_COUNT_ODD rule
	* [WebUI] Fix add header filter in history
	* [WebUI] Use modern protocol for checking messages

1.5.9:
	* [Conf] Increase min_bytes to avoid FP
	* [Conf] Remove ratelimits from default configuration
	* [CritFix] Fix accepting on IPv6 sockets
	* [CritFix] Zero fill sockaddr_un
	* [Feature] Add `text_multiplier` param
	* [Fix] Check min_bytes for images as well
	* [Fix] Do not add exact hashes from different parts
	* [Fix] Fix memory leak when accepting from unix sockets
	* [Fix] Fix some more issues about duplicated fuzzy requests
	* [Fix] Phishing: strict_domains
	* [Fix] Skip text parts when checking binary parts in fuzzy check
	* [Minor] Add the same duplicates protection for all fuzzy hashes types
	* [Minor] Fix braces
	* [Minor] Fix test
	* [Minor] SPOOF_DISPLAY_NAME: Use all SMTP/MIME recipients
	* [Minor] Validate assumed spoofed display name domains to contain a dot

1.5.8:
	* [CritFix] Fix memory leak in fuzzy check
	* [CritFix] Fix memory leak in maps scheduling
	* [Feature] Multimap: email:domain:tld filter
	* [Fix] DKIM Signing: avoid nil index when From header is missing
	* [Fix] Do not set bayes probability if we don't use it
	* [Fix] Do not stop on illegal unicode points - replace them
	* [Fix] Fix brain-damaged spamc protocol for now
	* [Fix] Fix Redis timeout set
	* [Fix] Fix spamc support in rspamd proxy
	* [Fix] Multimap: Received IP filters with Redis
	* [Fix] Parse rgb[a](x,x,x[,x]) css colors
	* [Fix] Reresolve upstreams even if there is a single server there
	* [Fix] Treat empty address as valid
	* [Fix] Try harder to detect CTE
	* [Fix] Try to deal with v4 mapped to v6 addresses on accept
	* [Minor] Add `wsf` and `hta` bad archive extensions
	* [Minor] Fix configuration option
	* [Minor] Fix result parsing for SAVAPI
	* [Minor] Further logging improvements
	* [Minor] Improve logging of errors
	* [Minor] Prevent MID_CONTAINS_FROM from firing on empty address
	* [Minor] Reduce digit->number transmission penalty
	* [Minor] Relax CTYPE_MISSING_DISPOSITION rule

1.5.7:
	* [CritFix] Fix corruption when multiple fuzzy are defined
	* [CritFix] Fix learn condition in fuzzy check
	* [Feature] Add rules to detect bad 8bit characters in From and To
	* [Feature] DKIM signing: sign_networks/local address specific use_domain settings
	* [Feature] Support numeric arguments for Redis requests
	* [Fix] Deal with 8bit characters in email addresses
	* [Fix] Fix couple of issues in FORWARDED rule
	* [Fix] Fix passing data to log helper when many symbols defined
	* [Fix] Fix R_BAD_CTE_7BIT rule
	* [Fix] Fix REPLYTO_UNPARSEABLE rule
	* [Fix] Fix setting of email address
	* [Fix] Rspamadm grep: Disable Lua patterns in string search by default
	* [Minor] Add Lua 5.3 workaround
	* [Minor] Add lua methods to detect if a part has 8bit characters
	* [Minor] Allow session-less lua dns requests
	* [Minor] Allow to append greylist end time to message reported
	* [Minor] Avoid `nil` table
	* [Minor] Disable dkim_signing if redis is specified but not configured
	* [Minor] Fix build with pcre2
	* [Minor] Fix rule
	* [Minor] Fix warnings
	* [Minor] Format floating point number
	* [Minor] Push email flags to the lua API
	* [Minor] Silence some warnings
	* [Minor] Silence warning
	* [Minor] Try all hostname regexps to find the most significant one
	* [WebUI] Fix add header filter in history