From 2e52c8b83d4426bdcd6f0fc7bc5472a9cfa22387 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oliver=20G=C3=BCnther?= <mail@oliverguenther.de>
Date: Tue, 2 Jun 2026 16:13:35 +0200
Subject: [PATCH] Treat email headers as string value

https://community.openproject.org/work_packages/OP-19438
---
 config/constants/settings/definition.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/config/constants/settings/definition.rb b/config/constants/settings/definition.rb
index 4e47704e7d7..942f4978b87 100644
--- a/config/constants/settings/definition.rb
+++ b/config/constants/settings/definition.rb
@@ -479,12 +479,14 @@ module Settings
       emails_footer: {
         default: {
           "en" => ""
-        }
+        },
+        string_values: true
       },
       emails_header: {
         default: {
           "en" => ""
-        }
+        },
+        string_values: true
       },
       # use email address as login, hide login in registration form
       email_login: {