Laravel по-русски

Route::post('mail', 'TopfeedController@index')->name('mail');

 <form action="topfeed/index" method="post" id="contact-form-top" name="mail">
     <input type="text" name="name" placeholder="ФИО" required>
     <input type="text" name="tel" placeholder="Телефон" required>
     <input type="text" name="email" placeholder="Email" required>
     <button type="submit" form="contact-form-top">Отправить заявку</button>
 </form>

MAIL_DRIVER=smtp
MAIL_HOST=smtp.yandex.ru
MAIL_PORT=465
MAIL_USERNAME=ПОЧТА ЯНДЕКСА
MAIL_PASSWORD=ПАРОЛЬ
MAIL_ENCRYPTION=null

MAIL_ADMIN=ПОЧТА ЯНДЕКСА

<?php

namespace App\Http\Controllers;
use Illuminate\Support\Facades\Input;
use Illuminate\Contracts\Mail;

class TopfeedController extends Controller
{

   public function index(){

       $user = array(
           'email' => Input::get('email')
       );

       $data = array(
           'email' => Input::get('email'),
           'name' => Input::get('name'),
            'tel' => Input::get('tel')
       );

        Mail::send('email', $data, function ($m) use ($user) {
            $mail_admin = env('MAIL_ADMIN');
            $m->to($mail_admin, 'Mr. Admin')->subject('Вопрос');
        });

       return redirect()->route('/')->with('status', 'Письмо отправлено!');

   }
}