+1.5.6:
+ * [Feature] Add unigramms support in bayes
+ * [Feature] Allow configurable sign headers for DKIM
+ * [Feature] Allow to add unigramm metatokens from Lua
+ * [Feature] DKIM Signing: envelope match exception for local IPs
+ * [Feature] UCL: register parser variables from Lua
+ * [Fix] Always try to adjust filename
+ * [Fix] Do extra copy to ensure that original content is never touched
+ * [Fix] Fix SPOOF_REPLYTO rule
+ * [Fix] Ignore Rmilter added Received
+ * [Fix] More fixes for hashed email dnsbls
+ * [Fix] Plug memory leak in chartable module
+ * [WebUI] Display multiple alerts at once
+
+
1.5.5:
* [CritFix] Fix classifier learning with Redis backend
* [CritFix] Fix issue when parsing encoded rfc822/messages