From e1c76f70eac4b873df27ac9b7e57b50b72802e39 Mon Sep 17 00:00:00 2001
From: Grant Slater <github@firefishy.com>
Date: Wed, 11 Jun 2025 12:14:42 +0100
Subject: [PATCH] exim: Increase message_linelength_limit to avoid dropping
 emails

---
 cookbooks/exim/templates/default/exim4.conf.erb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cookbooks/exim/templates/default/exim4.conf.erb b/cookbooks/exim/templates/default/exim4.conf.erb
index df58c051f..9e21429fe 100644
--- a/cookbooks/exim/templates/default/exim4.conf.erb
+++ b/cookbooks/exim/templates/default/exim4.conf.erb
@@ -638,7 +638,7 @@ mailman:
   local_part_suffix = -bounces : -bounces+* : \
                       -confirm+* : -join : -leave : \
                       -subscribe : -unsubscribe : \
-                      -owner : -request : -admin 
+                      -owner : -request : -admin
   local_part_suffix_optional
   transport = mailman
 
@@ -737,6 +737,7 @@ begin transports
 remote_smtp:
   driver = smtp
   multi_domain = false
+  message_linelength_limit = 1G
   tls_require_ciphers = <%= node[:ssl][:gnutls_ciphers] %>:%LATEST_RECORD_VERSION
 
 
@@ -750,6 +751,7 @@ signed_smtp:
   dkim_private_key = /etc/exim4/dkim-keys/${dkim_domain}
   dkim_identity = ${lc:${address:$h_from:}}
   dkim_timestamps = 1209600
+  message_linelength_limit = 1G
   multi_domain = false
   max_rcpt = 20
   hosts_try_dane =
-- 
2.39.5