一、基本配置

// 代码演示
// 配置可以选择在config/mail.php中配置也可以选择在.env中配置，这里选择在.env中配置
MAIL_FROM_ADDRESS=555666@qq.com
MAIL_FROM_NAME=发件人称呼
MAIL_DRIVER=smtp
MAIL_HOST=smtp.qq.com
MAIL_PORT=25
MAIL_USERNAME=555666@qq.com
MAIL_PASSWORD=zklafekkjkabbmlc
MAIL_ENCRYPTION=null

二、邮件通知

1、创建通知

php artisan make:notification InvoicePaid

代码：

<?php

namespace App\Notifications;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;

class InvoicePaid extends Notification
{
    use Queueable;

    /**
     * Create a new notification instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    /**
     * Get the notification's delivery channels.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function via($notifiable)
    {
        return ['mail'];
    }

    /**
     * Get the mail representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return \Illuminate\Notifications\Messages\MailMessage
     */
    public function toMail($notifiable)
    {
        return (new MailMessage)
                    ->line('The introduction to the notification.')
                    ->action('Notification Action', url('/'))
                    ->line('Thank you for using our application!');
    }

    /**
     * Get the array representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function toArray($notifiable)
    {
        return [
            //
        ];
    }
}

2、自定义接受者

<?php

namespace App\Models;

use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;

class User extends Authenticatable
{
    use Notifiable;

    /**
     * 邮件通道通知的路由。
     *
     * @param  \Illuminate\Notifications\Notification  $notification
     * @return array|string
     */
    public function routeNotificationForMail($notification)
    {
        // 只返回邮件地址...
        return "555.qq.com"
    }
}

3、发送通知

    public function send(User $user)
    {
        $user->notify(new InvoicePaid());
    }

三、Markdown 邮件通知

1、修改上面toMail方法

    public function toMail($notifiable)
    {
        return (new MailMessage)->markdown('mail.invoice.paid');
    }

2、添加mail/invoce/paid.blade.php模板

@component('mail::message')
# Introduction

The body of your message.

@component('mail::button', ['url' => ''])
Button Text
@endcomponent

Thanks,<br>
{{ config('app.name') }}
@endcomponent