From fb2aa9a8860cd2e931ba2d7485e4e8356ce40e4c Mon Sep 17 00:00:00 2001
From: gutmet <me.git@gutmet.org>
Date: Sat, 21 Nov 2020 10:28:24 +0100
Subject: [PATCH] simplify

---
 picolist.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/picolist.go b/picolist.go
index bd487c1..49df880 100644
--- a/picolist.go
+++ b/picolist.go
@@ -106,7 +106,7 @@ func setHeaderFields(mail *mail.Message, listname string, f flags) {
 	canChange := func(headerName string) bool {
 		headerName = ":" + headerName + ":"
 		headerNameLower := strings.ToLower(headerName)
-		return dkim == "" || (!strings.Contains(dkim, headerName) && !strings.Contains(dkim, headerNameLower))
+		return !strings.Contains(dkim, headerName) && !strings.Contains(dkim, headerNameLower)
 	}
 	bounceAddress := []string{"<" + f.returnPath() + ">"}
 	listAddress := []string{"<" + listname + ">"}