From 3019adc5713d89bc4f953cd9af0afc48a484f322 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 29 Jun 2017 19:13:36 +0100
Subject: [PATCH] [Minor] Lowercase email addresses

---
 src/plugins/lua/emails.lua | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/plugins/lua/emails.lua b/src/plugins/lua/emails.lua
index 41b65f2ff..ba390383c 100644
--- a/src/plugins/lua/emails.lua
+++ b/src/plugins/lua/emails.lua
@@ -116,9 +116,9 @@ local function gen_check_emails(rule)
       for _,addr in ipairs(emails) do
         local to_check = string.format('%s@%s', addr:get_user(), addr:get_host())
         local naddr = {
-          user = addr:get_user(),
-          domain = addr:get_host(),
-          addr = to_check
+          user = (addr:get_user() or ''):lower(),
+          domain = (addr:get_host() or ''):lower(),
+          addr = to_check:lower()
         }
 
         rspamd_lua_utils.remove_email_aliases(naddr)
-- 
2.39.5