From f0419b6a8942b3c4c45d9323dcefd81ad7f70811 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jarom=C3=ADr=20Stan=C4=9Bk?= <jaromir.stanek@gmail.com>
Date: Thu, 19 Oct 2023 21:12:40 +0200
Subject: [PATCH] Fixed incorrect use of .join() on bounce.

---
 outbound/hmail.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/outbound/hmail.js b/outbound/hmail.js
index 9a5fe96d0..c9aab2fcb 100644
--- a/outbound/hmail.js
+++ b/outbound/hmail.js
@@ -1062,7 +1062,7 @@ class HMailItem extends events.EventEmitter {
             "\r": '#10',
             "\n": '#13'
         };
-        const escape_pattern = new RegExp(`[${Object.keys(escaped_chars).join()}]`, 'g');
+        const escape_pattern = new RegExp(`[${Object.keys(escaped_chars).join('')}]`, 'g');
 
         bounce_msg_html_.forEach(line => {
             line = line.replace(/\{(\w+)\}/g, (i, word) => {