From e40213cb545daa6e0a7093aba7b777a9eb38f213 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 19 May 2021 15:12:33 +0100
Subject: [PATCH] [Rules] Fix CTYPE_MIXED_BOGUS for text attachments

Issue: #3748
---
 rules/headers_checks.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rules/headers_checks.lua b/rules/headers_checks.lua
index 4613a7dd72..9cdd9c57c0 100644
--- a/rules/headers_checks.lua
+++ b/rules/headers_checks.lua
@@ -1001,7 +1001,7 @@ rspamd_config.CTYPE_MIXED_BOGUS = {
     for _,p in ipairs(parts) do
       local mtype,_ = p:get_type()
       if mtype then
-        if mtype == 'text' then
+        if mtype == 'text' and not p:is_attachment() then
           ntext_parts = ntext_parts + 1
           if ntext_parts > 2 then
             found = true
-- 
2.47.3