Laravel 5.4 支持多个邮箱和Mail Driver并能够任意切换队列发送的方法

Config::set('mail.encryption','ssl');
Config::set('mail.host','smtps.example.com');
Config::set('mail.port','465');
Config::set('mail.username','youraddress@example.com');
Config::set('mail.password','password');
Config::set('mail.from',  ['address' => 'youraddress@example.com' , 'name' => 'Your Name here']);

Mail::send(new CustomMailable());
Mail::queue(new CustomMailable());

// Backup your default mailer
$backup = Mail::getSwiftMailer();
 
// Setup your gmail mailer
$transport = Swift_SmtpTransport::newInstance('smtp.gmail.com', 465, 'ssl');
$transport->setUsername('your_gmail_username');
$transport->setPassword('your_gmail_password');
// Any other mailer configuration stuff needed...
 
$gmail = new Swift_Mailer($transport);
 
// Set the mailer as gmail
Mail::setSwiftMailer($gmail);
 
// Send your message
Mail::send();
 
// Restore your original mailer
Mail::setSwiftMailer($backup);

< ?php
 
namespace App\Mail;
 
use Illuminate\Container\Container;
use Illuminate\Contracts\Mail\Mailer;
use Illuminate\Mail\Mailable;
use Swift_Mailer;
use Swift_SmtpTransport;
 
class ConfigurableMailable extends Mailable
{
    /**
     * Override Mailable functionality to support per-user mail settings
     *
     * @param  \Illuminate\Contracts\Mail\Mailer  $mailer
     * @return void
     */
    public function send(Mailer $mailer)
    {
        $host      = env('MAIL_HOST');
        $port      = env('MAIL_PORT');
        $security  = env('MAIL_ENCRYPTION');
        // 配置邮件
        $transport = Swift_SmtpTransport::newInstance( $host, $port, $security);
        // 注意看，这里是修改为用户邮箱的配置，$this->config是用户传的数据。
        $transport->setUsername($this->config->username);
        $transport->setPassword($this->config->password);
        $mailer->setSwiftMailer(new Swift_Mailer($transport));
 
        // 重启Swift_SmtpTransport中ssl的连接要不然会报错
        $mailer->getSwiftMailer()->getTransport()->stop();
 
        Container::getInstance()->call([$this, 'build']);
 
        $mailer->send($this->buildView(), $this->buildViewData(), function ($message) {
            $this->buildFrom($message)
                 ->buildRecipients($message)
                 ->buildSubject($message)
                 ->buildAttachments($message)
                 ->runCallbacks($message);
        });
    }
}

class CustomMail extends ConfigurableMailable {}

< ?php
 
namespace App\Mail;
 
use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;
use Illuminate\Contracts\Queue\ShouldQueue;
 
use App\Email_record;
 
class Template extends ConfigurableMailable
{
    use Queueable, SerializesModels;
 
    public $config;
    public $data;
    /**
     * Create a new message instance.
     *
     * @return void
     */
    public function __construct($config,$data)
    {
        // 这里是传给父类的参数
        $this->config    =   $config;
        $this->data      =   $data;
    }
 
    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
        // 保存发送的邮件
        $email_record=new Email_record;
        $email_record->site_id=$this->data->site_id;
        $email_record->code=$this->data->code;
        $email_record->type=$this->data->type;
        $email_record->title=$this->data->title;
        $email_record->from=$this->data->from;
        $email_record->to=$this->data->to;
        $email_record->content=$this->data->content;
        $email_record->save();
        // 发送邮件
        return $this->from($this->config->from,$this->config->name)->subject($this->data->title)->view('emails.template');
    }
}

// 根据返回的地址设置配置选项
config(['mail.from.address' => $username]);
config(['mail.username'     => $username]);
config(['mail.password'     => $password]);   
// 发送给指定的邮箱    
$to=$username; 
try{
    Mail::to($to)->send(new Test());
    $result['msg']=1;
}catch(\Exception $e){
    $result['msg']=2;       
}