Easy mailables by using notifications

email.blade.php

@component('mail::message')
{{-- Greeting --}}
@if (! empty($greeting))
# {{ $greeting }}
@else
@if ($level == 'error')
# Whoops!
@else
# Hello!
@endif
@endif

{{-- Intro Lines --}}
@foreach ($introLines as $line)
{{ $line }}

@endforeach

{{-- Action Button --}}
@isset($actionText)
<?php
    switch ($level) {
        case 'success':
            $color = 'green';
            break;
        case 'error':
            $color = 'red';
            break;
        default:
            $color = 'blue';
    }
?>
@component('mail::button', ['url' => $actionUrl, 'color' => $color])
{{ $actionText }}
@endcomponent
@endisset

{{-- Outro Lines --}}
@foreach ($outroLines as $line)
{{ $line }}

@endforeach

{{-- Salutation --}}
@if (! empty($salutation))
{{ $salutation }}
@else
Regards,<br>{{ config('app.name') }}
@endif

{{-- Subcopy --}}
@isset($actionText)
@component('mail::subcopy')
If you’re having trouble clicking the "{{ $actionText }}" button, copy and paste the URL below
into your web browser: [{{ $actionUrl }}]({{ $actionUrl }})
@endcomponent
@endisset
@endcomponent

Mailable.php

<?php

namespace App\Mail;

use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;

/**
 * Class Mailable
 * @package Olaf\Mail
 */
class Mailable extends Mailable
{
    use Queueable, SerializesModels;

    /**
     * Mailable constructor.
     *
     */
    public function __construct()
    {
      //
    }

    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
        return $this
            ->markdown('vendor.notifications.email',
                ['programme', $this->programme,
                    'level' => 'default',
                    'greeting' => 'Hello,',
                    'introLines' => [
                        'Intro line 1',
                        'Intro line 2',
                    ],
                    'actionText' => 'Manage programme',
                    'actionUrl' => url('/admin/'),
                    'outroLines' => [
                        'Outro Line 1',
                        'Outro Line 2',
                    ]])
            ->subject('Your subject');
    }
}

You should publish the notifications email template or copy from above.