Fixes for newer postmark driver

app/Providers/MailServiceProvider.php

@@ -3,8 +3,10 @@
 namespace App\Providers;
 
 use App\Helpers\Mail\GmailTransportManager;
+use Coconuts\Mail\PostmarkTransport;
 use Illuminate\Mail\MailServiceProvider as MailProvider;
 use Illuminate\Mail\TransportManager;
+use GuzzleHttp\Client as HttpClient;
 
 class MailServiceProvider extends MailProvider
 {
@@ -24,7 +26,18 @@ class MailServiceProvider extends MailProvider
         $this->app->bind('mailer', function ($app) {
             return $app->make('mail.manager')->mailer();
         });
+
+        $this->app['mail.manager']->extend('postmark', function () {
+            return new PostmarkTransport(
+                $this->guzzle(config('postmark.guzzle', [])),
+                config('postmark.secret', config('services.postmark.secret'))
+            );
+        });
     }
     
+    protected function guzzle(array $config): HttpClient
+    {
+        return new HttpClient($config);
+    }
 }
 

config/postmark.php

@@ -0,0 +1,30 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Postmark credentials
+    |--------------------------------------------------------------------------
+    |
+    | Here you may provide your Postmark server API token.
+    |
+    */
+
+    'secret' => env('POSTMARK_SECRET'),
+
+    /*
+    |--------------------------------------------------------------------------
+    | Guzzle options
+    |--------------------------------------------------------------------------
+    |
+    | Under the hood we use Guzzle to make API calls to Postmark.
+    | Here you may provide any request options for Guzzle.
+    |
+    */
+
+    'guzzle' => [
+        'timeout' => 10,
+        'connect_timeout' => 10,
+    ],
+];

config/services.php

@@ -36,9 +36,6 @@ return [
     'gmail' => [
         'token' => '',
     ],
-    'postmark' => [
-        'token' => env('POSTMARK_API_TOKEN', ''),
-    ],
     'stripe' => [
         'model'  => App\Models\User::class,
         'key'    => env('STRIPE_KEY'),