From 8ff53d12cb23759d3194289bacc707cb52be51c5 Mon Sep 17 00:00:00 2001
From: Mark Felder <feld@feld.me>
Date: Tue, 20 Jan 2026 15:16:33 -0800
Subject: [PATCH] Dovecot: disable appending the Received header

This suppresses a Received header only applied during LMTP processing
and includes a timestamp.
---
 cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2 b/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2
index f81b9c23..a7ad12e3 100644
--- a/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2
+++ b/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2
@@ -168,6 +168,8 @@ service lmtp {
   }
 }
 
+lmtp_add_received_header = no
+
 service auth {
   unix_listener /var/spool/postfix/private/auth {
     mode = 0660