Formulário de Envio Raall

HTML

<div class="col-sm-6">
                        <h1>Fale Conosco</h1>
                        <p>&nbsp;</p>
                        <div class="status alert alert-success" style="display: none"></div>
                        <form id="main-contact-form" class="contact-form" name="contact-form" method="post" action="sendemail.php" role="form">
                            <div class="row">
                                <div class="col-sm-6">
                                    <div class="form-group">
                                        <input type="text" class="form-control" required placeholder="Nome">
                                    </div>
                                </div>
                                <div class="col-sm-6">
                                    <div class="form-group">
                                        <input type="text" class="form-control" required placeholder="Email">
                                    </div>
                                </div>
                            </div>
                            <div class="row">
                                <div class="col-sm-12">
                                    <div class="form-group">
                                        <textarea name="message" id="message" required class="form-control" rows="8" placeholder="Mensagem"></textarea>
                                    </div>
                                    <div class="form-group">
                                        <button type="submit" class="btn btn-danger btn-lg">Enviar</button>
                                    </div>
                                </div>
                            </div>
                        </form>
                    </div>


PHP
<?php
	header('Content-type: application/json');
	$status = array(
		'type'=>'success',
		'message'=>'Email sent!'
	);

    $name = @trim(stripslashes($_POST['name']));
    $email = @trim(stripslashes($_POST['email']));
    $subject = @trim(stripslashes($_POST['subject']));
    $message = @trim(stripslashes($_POST['message']));

    $email_from = $email;
    $email_to = 'flaviopq@gmail.com';

    $body = 'Name: ' . $name . "\n\n" . 'Email: ' . $email . "\n\n" . 'Subject: ' . $subject . "\n\n" . 'Message: ' . $message;

    $success = @mail($email_to, $subject, $body, 'From: <'.$email_from.'>');

    echo json_encode($status);
    die;