From: Tobias Wolter <tobias.wolter@b1-systems.de>
Date: Thu, 2 Jan 2025 10:43:14 +0000 (+0100)
Subject: Fix issue with Thunderbird for Android being
X-Git-Tag: 3.11.1~49^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F5275%2Fhead;p=thirdparty%2Frspamd.git

Fix issue with Thunderbird for Android being
marked as `FORGED_MUA_THUNDERBIRD_MSGID_UNKNOWN` due to
uppercase UUID format for message IDs.
---

diff --git a/rules/regexp/headers.lua b/rules/regexp/headers.lua
index 44fa964e39..38bd2a2bae 100644
--- a/rules/regexp/headers.lua
+++ b/rules/regexp/headers.lua
@@ -460,7 +460,7 @@ local user_agent_mozilla = string.format('(%s) & !(%s) & !(%s) & !(%s)', user_ag
     user_agent_seamonkey, user_agent_postbox)
 -- Mozilla based common Message-ID template
 local mozilla_msgid_common = 'Message-ID=/^\\s*<[\\dA-F]{8}\\.\\d{1,7}\\@([^>\\.]+\\.)+[^>\\.]+>$/H'
-local mozilla_msgid_common_sec = 'Message-ID=/^\\s*<[\\da-f]{8}-([\\da-f]{4}-){3}[\\da-f]{12}\\@([^>\\.]+\\.)+[^>\\.]+>$/H'
+local mozilla_msgid_common_sec = 'Message-ID=/^\\s*<[\\da-f]{8}-([\\da-f]{4}-){3}[\\da-f]{12}\\@([^>\\.]+\\.)+[^>\\.]+>$/Hi'
 local mozilla_msgid = 'Message-ID=/^\\s*<(3[3-9A-F]|[4-9A-F][\\dA-F])[\\dA-F]{6}\\.(\\d0){1,4}\\d\\@([^>\\.]+\\.)+[^>\\.]+>$/H'
 -- Summary rule for forged Mozilla Mail Message-ID header
 reconf['FORGED_MUA_MOZILLA_MAIL_MSGID'] = {