Adding LaravelAdapter.

composer.json

@@ -6,7 +6,8 @@
         "guzzlehttp/guzzle": "5.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.5"
+        "phpunit/phpunit": "~4.5",
+        "illuminate/mail": "~5.0"
     },
     "license": "MIT",
     "autoload": {

src/Postmark/Adapters/LaravelMailProvider.php

@@ -0,0 +1,89 @@
+<?php namespace Postmark\Adapters;
+
+use Illuminate\Mail\Mailer;
+use Illuminate\Support\ServiceProvider;
+use Swift_Mailer;
+
+class LaravelMailProvider extends ServiceProvider {
+
+	protected $defer = true;
+
+	/**
+	 * Register the service provider.
+	 *
+	 * @return void
+	 */
+	public function register() {
+		$this->app->singleton('mailer', function ($app) {
+			$this->registerSwiftMailer();
+
+			// Once we have create 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 = new Mailer(
+				$app['view'], $app['swift.mailer'], $app['events']
+			);
+
+			$this->setMailerDependencies($mailer, $app);
+
+			// If a "from" address is set, we will set it on the mailer so that all mail
+			// messages sent by the applications will utilize the same "from" address
+			// on each one, which makes the developer's life a lot more convenient.
+			$from = $app['config']['mail.from'];
+
+			if (is_array($from) && isset($from['address'])) {
+				$mailer->alwaysFrom($from['address'], $from['name']);
+			}
+
+			// Here we will determine if the mailer should be in "pretend" mode for this
+			// environment, which will simply write out e-mail to the logs instead of
+			// sending it over the web, which is useful for local dev environments.
+			$pretend = $app['config']->get('mail.pretend', false);
+
+			$mailer->pretend($pretend);
+
+			return $mailer;
+		});
+	}
+
+	/**
+	 * Set a few dependencies on the mailer instance.
+	 *
+	 * @param  \Illuminate\Mail\Mailer  $mailer
+	 * @param  \Illuminate\Foundation\Application  $app
+	 * @return void
+	 */
+	protected function setMailerDependencies($mailer, $app) {
+		$mailer->setContainer($app);
+
+		if ($app->bound('log')) {
+			$mailer->setLogger($app['log']->getMonolog());
+		}
+
+		if ($app->bound('queue')) {
+			$mailer->setQueue($app['queue.connection']);
+		}
+	}
+
+	/**
+	 * Register the Swift Mailer instance.
+	 *
+	 * @return void
+	 */
+	public function registerSwiftMailer() {
+		$this->app['swift.mailer'] = $this->app->share(function ($app) {
+			$token = $this->app['config']->get('services.postmark');
+			return new Swift_Mailer(new \Postmark\Transport($token));
+		});
+	}
+
+	/**
+	 * Get the services provided by the provider.
+	 *
+	 * @return array
+	 */
+	public function provides() {
+		return ['mailer', 'swift.mailer'];
+	}
+
+}