From f32dc147e631ac398d5d3a661611e607d2688c47 Mon Sep 17 00:00:00 2001
From: NickOvt <nikolai@zone.ee>
Date: Thu, 1 Aug 2024 10:34:08 +0300
Subject: [PATCH] fix(lib-filter): ZMS-161 (#718)

* Save delivered-to and return-path headers as bin strings in mongo so that view source in webmail works correctly
---
 lib/filter-handler.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/filter-handler.js b/lib/filter-handler.js
index 05c29947..40ae63c4 100644
--- a/lib/filter-handler.js
+++ b/lib/filter-handler.js
@@ -163,8 +163,8 @@ class FilterHandler {
             });
         }
 
-        prepared.mimeTree.header.unshift('Return-Path: <' + sender + '>');
-        prepared.mimeTree.header.unshift('Delivered-To: ' + recipient);
+        prepared.mimeTree.header.unshift('Return-Path: <' + Buffer.from(sender).toString('binary') + '>');
+        prepared.mimeTree.header.unshift('Delivered-To: ' + Buffer.from(recipient).toString('binary'));
 
         prepared.mimeTree.parsedHeader['return-path'] = '<' + sender + '>';
         prepared.mimeTree.parsedHeader['delivered-to'] = '<' + recipient + '>';