diff --git a/src/LaravelMsGraphMailServiceProvider.php b/src/LaravelMsGraphMailServiceProvider.php
index cf132b9..3a55210 100644
--- a/src/LaravelMsGraphMailServiceProvider.php
+++ b/src/LaravelMsGraphMailServiceProvider.php
@@ -42,8 +42,7 @@ public function boot(): void
             throw_unless(filled($config['from']['address'] ?? []), ConfigurationMissing::fromAddress());
 
             return new MicrosoftGraphTransport(
-                app()->make(MicrosoftGraphApiService::class),
-                $config['from']['address']
+                app()->make(MicrosoftGraphApiService::class)
             );
         });
     }
diff --git a/src/MicrosoftGraphTransport.php b/src/MicrosoftGraphTransport.php
index 956cc21..f95caec 100644
--- a/src/MicrosoftGraphTransport.php
+++ b/src/MicrosoftGraphTransport.php
@@ -16,7 +16,10 @@
 
 class MicrosoftGraphTransport extends AbstractTransport
 {
-    public function __construct(protected MicrosoftGraphApiService $microsoftGraphApiService, protected string $from, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
+    public function __construct(
+        protected MicrosoftGraphApiService $microsoftGraphApiService,
+        EventDispatcherInterface $dispatcher = null,
+        LoggerInterface $logger = null)
     {
         parent::__construct($dispatcher, $logger);
     }
@@ -55,7 +58,27 @@ protected function doSend(SentMessage $message): void
             'saveToSentItems' => config('mail.mailers.microsoft-graph.save_to_sent_items', false),
         ];
 
-        $this->microsoftGraphApiService->sendMail($this->from, $payload);
+        $this->microsoftGraphApiService->sendMail($envelope->getSender()->getAddress(), $payload);
+    }
+
+    protected function prepareAttachments(Email $email, ?string $html): array
+    {
+        $attachments = [];
+        foreach ($email->getAttachments() as $attachment) {
+            $headers = $attachment->getPreparedHeaders();
+            $fileName = $headers->getHeaderParameter('Content-Disposition', 'filename');
+
+            $attachments[] = [
+                '@odata.type' => '#microsoft.graph.fileAttachment',
+                'name' => $fileName,
+                'contentType' => $attachment->getMediaType(),
+                'contentBytes' => base64_encode($attachment->getBody()),
+                'contentId' => $fileName,
+                'isInline' => $headers->getHeaderBody('Content-Disposition') === 'inline',
+            ];
+        }
+
+        return [$attachments, $html];
     }
 
     /**
@@ -85,24 +108,4 @@ protected function getRecipients(Email $email, Envelope $envelope): Collection
         return collect($envelope->getRecipients())
             ->filter(fn (Address $address) => ! in_array($address, array_merge($email->getCc(), $email->getBcc()), true));
     }
-
-    protected function prepareAttachments(Email $email, ?string $html): array
-    {
-        $attachments = [];
-        foreach ($email->getAttachments() as $attachment) {
-            $headers = $attachment->getPreparedHeaders();
-            $fileName = $headers->getHeaderParameter('Content-Disposition', 'filename');
-
-            $attachments[] = [
-                '@odata.type' => '#microsoft.graph.fileAttachment',
-                'name' => $fileName,
-                'contentType' => $attachment->getMediaType(),
-                'contentBytes' => base64_encode($attachment->getBody()),
-                'contentId' => $fileName,
-                'isInline' => $headers->getHeaderBody('Content-Disposition') === 'inline',
-            ];
-        }
-
-        return [$attachments, $html];
-    }
 }
diff --git a/src/Services/MicrosoftGraphApiService.php b/src/Services/MicrosoftGraphApiService.php
index c65b20e..b6574ae 100644
--- a/src/Services/MicrosoftGraphApiService.php
+++ b/src/Services/MicrosoftGraphApiService.php
@@ -10,7 +10,8 @@
 
 class MicrosoftGraphApiService
 {
-    public function __construct(protected readonly string $tenantId,
+    public function __construct(
+        protected readonly string $tenantId,
         protected readonly string $clientId,
         protected readonly string $clientSecret,
         protected readonly int $accessTokenTtl
diff --git a/tests/MicrosoftGraphTransportTest.php b/tests/MicrosoftGraphTransportTest.php
index 3192c5f..a5af2dc 100644
--- a/tests/MicrosoftGraphTransportTest.php
+++ b/tests/MicrosoftGraphTransportTest.php
@@ -400,7 +400,7 @@
 
     Http::assertSent(function (Request $value) {
         expect($value)
-            ->url()->toBe('https://graph.microsoft.com/v1.0/users/taylor@laravel.com/sendMail')
+            ->url()->toBe('https://graph.microsoft.com/v1.0/users/other-mail@laravel.com/sendMail')
             ->hasHeader('Authorization', 'Bearer foo_access_token')->toBeTrue()
             ->body()->json()->toBe([
                 'message' => [