From 736b41ddedfccc4cdd8938046c9efc0febcc70ad Mon Sep 17 00:00:00 2001
From: Andrew Lewis <nerf@judo.za.org>
Date: Wed, 29 Nov 2023 14:32:06 +0200
Subject: [PATCH] [Fix] dkim_signing: siging_table: lowercase before lookup

---
 lualib/lua_dkim_tools.lua                    | 2 +-
 test/functional/messages/dmarc/fail_none.eml | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lualib/lua_dkim_tools.lua b/lualib/lua_dkim_tools.lua
index 1f396fbc4..165ea8f56 100644
--- a/lualib/lua_dkim_tools.lua
+++ b/lualib/lua_dkim_tools.lua
@@ -268,7 +268,7 @@ local function prepare_dkim_signing(N, task, settings)
           'signing_table: cannot get data when no header from is presented')
       return false, {}
     end
-    local sign_entry = settings.signing_table:get_key(hfrom[1].addr)
+    local sign_entry = settings.signing_table:get_key(hfrom[1].addr:lower())
 
     if sign_entry then
       -- Check opendkim style entries
diff --git a/test/functional/messages/dmarc/fail_none.eml b/test/functional/messages/dmarc/fail_none.eml
index 7fbff7738..159f1f5bb 100644
--- a/test/functional/messages/dmarc/fail_none.eml
+++ b/test/functional/messages/dmarc/fail_none.eml
@@ -1,3 +1,3 @@
-From: Rspamd <foo@cacophony.za.org>
-
-hello
+From: Rspamd <foo@caCophony.za.org>
+
+hello
-- 
2.39.5