From ba907ef7b4f5962a11c20adb4036b6ddad26a000 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 22 Jun 2025 21:13:23 +0200
Subject: ...

---
 hosts/surtr/email/default.nix | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'hosts/surtr/email/default.nix')

diff --git a/hosts/surtr/email/default.nix b/hosts/surtr/email/default.nix
index c993bb18..58cb76d9 100644
--- a/hosts/surtr/email/default.nix
+++ b/hosts/surtr/email/default.nix
@@ -355,7 +355,10 @@ in {
           maxproc = 0;
           args = [
             "-o" "header_checks=pcre:${pkgs.writeText "header_checks_submission" ''
+              if /^Received: /
+              !/by surtr\.yggdrasil\.li/ STRIP
               /^Received: from [^ ]+ \([^ ]+ [^ ]+\)\s+(.*)$/ REPLACE Received: $1
+              endif
             ''}"
           ];
         };
-- 
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