fix: ZMS-47: Fix utf-8 coding issues (#489)

* ZMS-47: Fix utf-8 coding issues

* remove console log

Author: NickOvt

lib/sending-zone.js

@@ -410,6 +410,15 @@ class SendingZone {
             origin = origin.join(' ').trim() || 'localhost';
         }
 
+        let authenticatedSender = '';
+        if (delivery.user) {
+            try {
+                authenticatedSender = addressTools.normalizeAddress(delivery.user);
+            } catch {
+                authenticatedSender = delivery.user;
+            }
+        }
+
         let value =
             '' +
             // from ehlokeyword
@@ -420,7 +429,7 @@ class SendingZone {
             origin +
             (originhost ? '\r\n' : '') +
             // (Authenticated sender: username)
-            (delivery.user ? ' (Authenticated sender: ' + delivery.user + ')\r\n' : !originhost ? '\r\n' : '') +
+            (authenticatedSender ? ' (Authenticated sender: ' + authenticatedSender + ')\r\n' : !originhost ? '\r\n' : '') +
             // by smtphost
             ' by ' +
             hostname +
@@ -446,6 +455,7 @@ class SendingZone {
             // Wed, 03 Aug 2016 11:32:07 +0000
             ' ' +
             new Date(delivery.time).toUTCString().replace(/GMT/, '+0000');
+
         return key + ': ' + value;
     }
 }