Debug

Rendering Mailables

use App\Mail\InvoicePaid;
use App\Models\Invoice;
 
$invoice = Invoice::find(1);
 
return (new InvoicePaid($invoice))->render();

Previewing Mail In The Browser

Route::get('/mailable', function () {
    $invoice = App\Models\Invoice::find(1);
 
    return new App\Mail\InvoicePaid($invoice);
});

Customizing Mail Template Components

php artisan vendor:publish --tag=laravel-mail

This command will publish the Markdown mail components to the resources/views/vendor/mail directory

Customizing The CSS

resources/views/vendor/mail/html/themes/default.css

You may customize the CSS in this file and your styles will automatically be converted to inline CSS styles within the HTML representations of your Markdown mail messages.