Use Rspamds new tag symbol

data/Dockerfiles/rspamd/Dockerfile

@@ -9,8 +9,8 @@ RUN dpkg-divert --local --rename --add /sbin/initctl \
     && dpkg-divert --local --rename --add /usr/bin/ischroot \
     && ln -sf /bin/true /usr/bin/ischroot
 
-RUN apt-key adv --fetch-keys http://rspamd.com/apt-stable/gpg.key \
-    && echo "deb http://rspamd.com/apt-stable/ xenial main" > /etc/apt/sources.list.d/rspamd.list \
+RUN apt-key adv --fetch-keys http://rspamd.com/apt/gpg.key \
+    && echo "deb http://rspamd.com/apt/ xenial main" > /etc/apt/sources.list.d/rspamd.list \
     && apt-get update \
     && apt-get -y install rspamd ca-certificates python-pip
 

data/conf/rspamd/lua/rspamd.local.lua

@@ -24,46 +24,51 @@ auth_domain_map = rspamd_config:add_map({
 })
 
 rspamd_config:register_post_filter(function(task)
-  local tag = nil
   local util = require("rspamd_util")
   local rspamd_logger = require "rspamd_logger"
-  local user_tagged = task:get_recipients(2)[1]['user']
-  local domain = task:get_recipients(1)[1]['domain']
-  local user, tag = user_tagged:match("([^+]+)+(.*)")
+
+  local tagged_rcpt = task:get_symbol("TAGGED_RCPT")
+  local user = task:get_recipients(0)[1]['user']
+  local domain = task:get_recipients(0)[1]['domain']
+  local rcpt = user .. '@' .. domain
   local authdomain = auth_domain_map:get_key(domain)
-  local action = task:get_metric_action('default')
-  local action = task:get_metric_action('default')
-  rspamd_logger.infox("metric action now: %s", action)
 
-  if action ~= 'no action' and action ~= 'greylist' then
-    return false
-  end
+  if tagged_rcpt[1].options[1] then
+    local tag = tagged_rcpt[1].options[1]
+    rspamd_logger.infox("found tag: %s", tag)
+    local action = task:get_metric_action('default')
+    rspamd_logger.infox("metric action now: %s", action)
+
+    if action ~= 'no action' and action ~= 'greylist' then
+      rspamd_logger.infox("skipping tag handler for action: %s", action)
+      return false
+    end
 
-  if tag and authdomain then
-    rspamd_logger.infox("domain: %1, tag: %2", domain, tag)
-    local user_untagged = user .. '@' .. domain
-    rspamd_logger.infox("querying tag settings for user %1", user_untagged)
-    if modify_subject_map:get_key(user_untagged) then
-      rspamd_logger.infox("found user in map for subject rewrite")
-      local sbj = task:get_header('Subject')
-      new_sbj = '=?UTF-8?B?' .. tostring(util.encode_base64('[' .. tag .. '] ' .. sbj)) .. '?='
-      task:set_rmilter_reply({
-        remove_headers = {['Subject'] = 1},
-        add_headers = {['Subject'] = new_sbj}
-      })
+    if authdomain then
+      rspamd_logger.infox("found mailcow domain %s", domain)
+      rspamd_logger.infox("querying tag settings for user %s", rcpt)
+
+      if modify_subject_map:get_key(rcpt) then
+        rspamd_logger.infox("user wants subject modified for tagged mail")
+        local sbj = task:get_header('Subject')
+        new_sbj = '=?UTF-8?B?' .. tostring(util.encode_base64('[' .. tag .. '] ' .. sbj)) .. '?='
+        task:set_rmilter_reply({
+          remove_headers = {['Subject'] = 1},
+          add_headers = {['Subject'] = new_sbj}
+        })
+      else
+        rspamd_logger.infox("Add X-Moo-Tag header")
+        task:set_rmilter_reply({
+          add_headers = {['X-Moo-Tag'] = 'YES'}
+        })
+      end
     else
-      rspamd_logger.infox("add X-Moo-Tag header")
-      task:set_rmilter_reply({
-        add_headers = {['X-Moo-Tag'] = 'YES'}
-      })
+      rspamd_logger.infox("skip delimiter handling for unknown domain")
     end
-  else
-    rspamd_logger.infox("skip delimiter handling for untagged message or authenticated user")
+    return false
   end
-  return false
 end)
 
-
 rspamd_config.MRAPTOR = {
   callback = function(task)
     local parts = task:get_parts()