[Rspamd] Fix tag handling for mailboxes

data/conf/rspamd/dynmaps/aliasexp.php

@@ -167,7 +167,8 @@ catch (PDOException $e) {
   exit;
 }
 
-if (count($rcpt_final_mailboxes) == 1 && $rcpt_final_mailboxes[0] != $rcpt) {
+// Does also return the mailbox name if question == answer (query == mailbox)
+if (count($rcpt_final_mailboxes) == 1) {
   error_log("ALIASEXP: direct alias " . $rcpt . " expanded to " . $rcpt_final_mailboxes[0] . PHP_EOL);
   echo trim($rcpt_final_mailboxes[0]);
 }

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

@@ -234,7 +234,7 @@ rspamd_config:register_symbol({
 
       local function http_callback(err_message, code, body, headers)
         if body ~= nil and body ~= "" then
-          rspamd_logger.infox(rspamd_config, "expanding alias to \"%s\"", body)
+          rspamd_logger.infox(rspamd_config, "expanding rcpt to \"%s\"", body)
 
           local function tag_callback_subject(err, data)
             if err or type(data) ~= 'string' then