Fix sender and reply-to mail headers and add support for Magento 2.4.8-p3

Author: srenon

Mail/Smtp.php

@@ -150,13 +150,13 @@ protected function setSender($message)
 
         if ($setFromEmail !== null && $dataHelper->getConfigSetFrom()) {
             if ($setFromEmail instanceof Address) {
-                $message->getHeaders()->addMailboxListHeader('Sender', [$setFromEmail]);
+                $message->getHeaders()->addMailboxHeader('Sender', $setFromEmail);
             } elseif (!empty($setFromEmail)) {
                 $name = $messageFromAddress instanceof Address ? $messageFromAddress->getName() : $setFromEmail;
 
-                $message->getHeaders()->addMailboxListHeader(
+                $message->getHeaders()->addMailboxHeader(
                     'Sender',
-                    [new Address($setFromEmail, $name)]
+                    new Address($setFromEmail, $name)
                 );
             }
         }
@@ -189,13 +189,13 @@ protected function setReplyToPath($message)
 
         if (empty($message->getHeaders()->get('reply-to')?->getAddresses()) && $dataHelper->getConfigSetReplyTo()) {
             if ($returnPathEmail instanceof Address) {
-                $message->getHeaders()->addMailboxListHeader('reply-to', [$returnPathEmail]);
+                $message->getHeaders()->addMailboxHeader('reply-to', $returnPathEmail);
             } elseif (!empty($returnPathEmail)) {
                 $name = $messageFromAddress instanceof Address ? $messageFromAddress->getName() : $returnPathEmail;
 
-                $message->getHeaders()->addMailboxListHeader(
+                $message->getHeaders()->addMailboxHeader(
                     'reply-to',
-                    [new Address($returnPathEmail, $name)]
+                    new Address($returnPathEmail, $name)
                 );
             }
         }

composer.json

@@ -19,11 +19,11 @@
         "php": "~8.2.0||~8.3.0||~8.4.0",
         "magento/module-backend": "102.0.*",
         "magento/framework": "103.0.*",
-        "magento/module-email": "101.1.8||101.1.8-p1||101.1.8-p2",
+        "magento/module-email": "101.1.8||101.1.8-p1||101.1.8-p2||101.1.8-p3",
         "magepal/magento2-core":">1.1.0"
     },
     "type": "magento2-module",
-    "version": "3.0.2",
+    "version": "3.0.3",
     "license": [
         "proprietary"
     ],