From ec517d123516904c633a46024fb65e909931b9ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sim=C3=B3=20Albert=20i=20Beltran?= <sim6@bona.gent>
Date: Wed, 1 Dec 2021 18:40:32 +0100
Subject: [PATCH] Fix nextcloud mail Message-ID header

---
 docker/nextcloud/nginx.conf | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docker/nextcloud/nginx.conf b/docker/nextcloud/nginx.conf
index 91573c7..736d28a 100644
--- a/docker/nextcloud/nginx.conf
+++ b/docker/nextcloud/nginx.conf
@@ -129,6 +129,10 @@ http {
             fastcgi_pass php-handler;
             fastcgi_intercept_errors on;
             fastcgi_request_buffering off;
+
+            # Horde, used by nextcloud mail app, needs $_SERVER['SERVER_NAME'] to generate Message-ID header
+            # See also: https://github.com/nextcloud/mail/issues/5764
+            fastcgi_param SERVER_NAME $host;
         }
 
         location ~ ^\/(?:updater|oc[ms]-provider)(?:$|\/) {