Sending mail in PHP with native mail function

sending-mail-in-PHP-with-mail-function.php

<?php if(isset($_POST['submit'])){
        if(isset($_POST['email']) && !empty($_POST['email']) && isset($_POST['name']) && !empty($_POST['name']) && isset($_POST['subject']) && !empty($_POST['subject']) && isset($_POST['message']) && !empty($_POST['message'])){ 
            $to = "contact@micronium.net";
            $subject = $_POST['subject'];
            $message = $_POST['message'];
            //$header = "Name= " . 
            $header = "From:" . $_POST['name'] . " <" . $_POST['email'] . "> \r\n";
            $header .= "MIME-Version: 1.0\r\n";
            $header .= "Content-type: text/html\r\n";
            $header .= "X-Mailer: PHP/" . phpversion();
            $status = mail($to, $subject, $message, $header);
            #$stat = //sendMail();
            ?>	
            <?php if($status == TRUE){ ?>
						<div class="alert alert-success alert-dismissable" id="contactSuccess">
						  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
						  <strong>Succès!</strong> Votre message a été bien envoyé.
						</div>
            <?php } 
            else { ?>
						<div class="alert alert-danger " id="contactError">
						  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
						  <strong>Erreur!</strong> Il y a eu problème lors de l'envoi de votre message. SVP réessayez !
						</div>
            <?php }
            }else{
                ?>
            <div class="alert alert-danger ">
              <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
              <strong>Erreur!</strong> Veuillez renseigner tous les champs !
            </div>
                <?php
            }
        }
            ?>