diff --git a/src/Illuminate/Mail/MailManager.php b/src/Illuminate/Mail/MailManager.php
index a9b72f419834..6cd752e8a56d 100644
--- a/src/Illuminate/Mail/MailManager.php
+++ b/src/Illuminate/Mail/MailManager.php
@@ -120,8 +120,28 @@ protected function resolve($name)
         // Once we have created the mailer instance we will set a container instance
         // on the mailer. This allows us to resolve mailer classes via containers
         // for maximum testability on said classes instead of passing Closures.
+        $mailer = $this->build(['name' => $name, ...$config]);
+
+        // Next we will set all of the global addresses on this mailer, which allows
+        // for easy unification of all "from" addresses as well as easy debugging
+        // of sent messages since these will be sent to a single email address.
+        foreach (['from', 'reply_to', 'to', 'return_path'] as $type) {
+            $this->setGlobalAddress($mailer, $config, $type);
+        }
+
+        return $mailer;
+    }
+
+    /**
+     * Build a new mailer instance.
+     *
+     * @param  array  $config
+     * @return \Illuminate\Mail\Mailer
+     */
+    public function build($config)
+    {
         $mailer = new Mailer(
-            $name,
+            $config['name'] ?? 'ondemand',
             $this->app['view'],
             $this->createSymfonyTransport($config),
             $this->app['events']
@@ -131,13 +151,6 @@ protected function resolve($name)
             $mailer->setQueue($this->app['queue']);
         }
 
-        // Next we will set all of the global addresses on this mailer, which allows
-        // for easy unification of all "from" addresses as well as easy debugging
-        // of sent messages since these will be sent to a single email address.
-        foreach (['from', 'reply_to', 'to', 'return_path'] as $type) {
-            $this->setGlobalAddress($mailer, $config, $type);
-        }
-
         return $mailer;
     }
 
diff --git a/src/Illuminate/Support/Facades/Mail.php b/src/Illuminate/Support/Facades/Mail.php
index 7223a76e87cc..fb4019b25aae 100755
--- a/src/Illuminate/Support/Facades/Mail.php
+++ b/src/Illuminate/Support/Facades/Mail.php
@@ -7,6 +7,7 @@
 /**
  * @method static \Illuminate\Contracts\Mail\Mailer mailer(string|null $name = null)
  * @method static \Illuminate\Mail\Mailer driver(string|null $driver = null)
+ * @method static \Illuminate\Mail\Mailer build(array $config)
  * @method static \Symfony\Component\Mailer\Transport\TransportInterface createSymfonyTransport(array $config)
  * @method static string getDefaultDriver()
  * @method static void setDefaultDriver(string $name)
diff --git a/tests/Mail/MailManagerTest.php b/tests/Mail/MailManagerTest.php
index 4ae036416be9..91a4be5875f0 100644
--- a/tests/Mail/MailManagerTest.php
+++ b/tests/Mail/MailManagerTest.php
@@ -43,6 +43,28 @@ public function testMailUrlConfig()
         $this->assertSame(5876, $transport->getStream()->getPort());
     }
 
+    public function testBuild()
+    {
+        $config = [
+            'transport' => 'smtp',
+            'host' => '127.0.0.2',
+            'port' => 5876,
+            'encryption' => 'tls',
+            'username' => 'usr',
+            'password' => 'pwd',
+            'timeout' => 5,
+        ];
+
+        $mailer = $this->app['mail.manager']->build($config);
+        $transport = $mailer->getSymfonyTransport();
+
+        $this->assertInstanceOf(EsmtpTransport::class, $transport);
+        $this->assertSame('usr', $transport->getUsername());
+        $this->assertSame('pwd', $transport->getPassword());
+        $this->assertSame('127.0.0.2', $transport->getStream()->getHost());
+        $this->assertSame(5876, $transport->getStream()->getPort());
+    }
+
     public static function emptyTransportConfigDataProvider()
     {
         return [