Release 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