Laravel update email config on the fly

config_mail.php

<?php
  config([
      'mail.host' => 'smtp.yandex.ru',
      'mail.port' => 465,
      'mail.encryption' =>'ssl',
      'mail.username' => 'username',
      'mail.password' => 'password'
  ]);

  $app = App::getInstance();

  $app['swift.transport'] = $app->share(function ($app) {
      return new TransportManager($app);
  });

  $mailer = new \Swift_Mailer($app['swift.transport']->driver());
  Mail::setSwiftMailer($mailer);

  $msg = Mail::send('mail.view', ['key' => 'value'], function(Message $message) {
      $message
          ->to('user@mail.com', 'Name')
          ->subject('Subject');
  });