From 48c88585ab6e40fea5b2f530733a8f4c43e94ae0 Mon Sep 17 00:00:00 2001
From: Linsen Zhou <i@lin.moe>
Date: Thu, 16 Jul 2026 15:01:46 +0800
Subject: [PATCH] modify/dkim: Do not oversign Sender header filed by default

---
 internal/modify/dkim/dkim.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/modify/dkim/dkim.go b/internal/modify/dkim/dkim.go
index bf413121..7857dd66 100644
--- a/internal/modify/dkim/dkim.go
+++ b/internal/modify/dkim/dkim.go
@@ -50,7 +50,6 @@ var (
 	oversignDefault = []string{
 		// Directly visible to the user.
 		"Subject",
-		"Sender",
 		"To",
 		"Cc",
 		"From",
@@ -80,6 +79,7 @@ var (
 		"List-Post",
 		"List-Owner",
 		"List-Archive",
+		"Sender",
 
 		// Not oversigned since it can be prepended by intermediate relays.
 		"Resent-To",