public function send_mail(Request $request)
  {

    $rules = array(
        'name'       => 'required|max:50',
        'email'      => 'required',
        'mobile' => 'required|max:15',
        'message' => 'required|max:1000'

    );

    $v= Validator::make($request->all(),  $rules);
    if ($v->fails()) {
           return redirect()->back()->withErrors($v->errors())->withInput($request->input());
         }else{
           $data = array(
          'name' => $request->name,
          'email' => $request->email,
          'mobile' => $request->mobile,
          'message' => $request->message,

          );
       Mail::send('website.contactus.mymessage', $data, function($message) use ($data){
         $message->from($data['email']);
         $message->to('azharnabil013@yahoo.com');
         $message->subject($data['message']);
         });


         return redirect('contact-us')->with('message', 'لقد تم ارسال الرساله بنجاح!');

         }

MAIL_DRIVER=mailgun
MAIL_HOST=smtp.mailgun.org
MAIL_PORT=587
MAIL_USERNAME=***from mailgun account
MAIL_PASSWORD=***from mailgun account