NEW Migrate from swiftmailer/swiftmailer to symfony/mailer

_config/email.yml

@@ -1,12 +1,55 @@
 ---
-Name: emailconfig
+Name: mailer
 ---
 SilverStripe\Core\Injector\Injector:
-  Swift_Transport: Swift_MailTransport
-  Swift_Mailer:
-    constructor:
-      - '%$Swift_Transport'
-  SilverStripe\Control\Email\Mailer:
-    class: SilverStripe\Control\Email\SwiftMailer
-    properties:
-      SwiftMailer: '%$Swift_Mailer'
+  Symfony\Component\Mailer\MailerInterface:
+    class: Symfony\Component\Mailer\Mailer
+    constructor:
+      0: '%$Symfony\Component\Mailer\Transport\TransportInterface'
+      1: '%$Symfony\Component\Messenger\MessageBusInterface.mailer'
+  Symfony\Component\Messenger\MessageBusInterface.mailer:
+    class: Symfony\Component\Messenger\MessageBus
+    constructor:
+      0:
+        - '%$Symfony\Component\Messenger\Middleware\MiddlewareInterface.mailer'
+  Symfony\Component\Messenger\Middleware\MiddlewareInterface.mailer:
+    class: Symfony\Component\Messenger\Middleware\SendMessageMiddleware
+    constructor:
+      0: '%$Symfony\Component\Messenger\Transport\Sender\SendersLocatorInterface.mailer'
+      1: '%$Symfony\Component\EventDispatcher\EventDispatcherInterface.mailer'
+  Symfony\Component\Messenger\Transport\Sender\SendersLocatorInterface.mailer:
+    class: Symfony\Component\Messenger\Transport\Sender\SendersLocator
+    constructor:
+      0:
+        '*':
+          - 'Symfony\Component\Messenger\Transport\Sender\SenderInterface.mailer'
+      1: '%$Symfony\Component\DependencyInjection\ContainerInterface.mailer'
+  Symfony\Component\Messenger\Transport\Sender\SenderInterface.mailer:
+    class: SilverStripe\Control\Email\EmailSender
+  Symfony\Component\DependencyInjection\ContainerInterface.mailer:
+    class: Symfony\Component\DependencyInjection\Container
+    calls:
+      - ['set', ['Symfony\Component\Messenger\Transport\Sender\SenderInterface.mailer', '%$Symfony\Component\Messenger\Transport\Sender\SenderInterface.mailer']]
+  Symfony\Component\EventDispatcher\EventDispatcherInterface.mailer:
+    class: Symfony\Component\EventDispatcher\EventDispatcher
+---
+Name: mailer-dsn-default-config
+---
+SilverStripe\Core\Injector\Injector:
+  Symfony\Component\Mailer\Transport\TransportInterface:
+    factory: Symfony\Component\Mailer\Transport
+    factory_method: fromDsn
+    constructor:
+      dsn: 'sendmail://default'
+---
+Name: mailer-dsn-env
+After:
+  - 'mailer-dsn-default-config'
+  - 'mailer-dsn-project-config'
+Only:
+  envvarset: MAILER_DSN
+---
+SilverStripe\Core\Injector\Injector:
+  Symfony\Component\Mailer\Transport\TransportInterface:
+    constructor:
+      dsn: '`MAILER_DSN`'

composer.json

@@ -37,10 +37,13 @@
         "silverstripe/assets": "^2",
         "silverstripe/vendor-plugin": "^2",
         "sminnee/callbacklist": "^0.1.1",
-        "swiftmailer/swiftmailer": "^6.3.0",
         "symfony/cache": "^6.1",
         "symfony/config": "^6.1",
+        "symfony/dependency-injection": "^6.1",
         "symfony/filesystem": "^6.1",
+        "symfony/mailer": "^6.1",
+        "symfony/messenger": "^6.1",
+        "symfony/mime": "^6.1",
         "symfony/translation": "^6.1",
         "symfony/yaml": "^6.1",
         "ext-ctype": "*",
@@ -96,9 +99,6 @@
         },
         "files": [
             "src/includes/constants.php"
-        ],
-        "classmap": [
-            "thirdparty/swiftmailer"
         ]
     },
     "include-path": [