email smtp

<?php
if($_POST){
	require 'email/PHPMailerAutoload.php';

	$mail = new PHPMailer;

	$nome = $_POST['nome'];
	$email = $_POST['email'];
	$telefone = $_POST['telefone'];
	$assunto = $_POST['assunto'];

	//$mail->SMTPDebug = 3;                               // Enable verbose debug output

	$mail->isSMTP();                                      // Set mailer to use SMTP
	$mail->Host = 'smtpi.uni5.net';  // Specify main and backup SMTP servers
	$mail->SMTPAuth = true;                               // Enable SMTP authentication
	$mail->Username = 'contato@iainet.com.br';                 // SMTP username
	$mail->Password = 'xxxxxxx';                           // SMTP password
	$mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
	$mail->Port = 587;                                    // TCP port to connect to

	$mail->setFrom('contato@iainet.com.br', 'iaiNet');
	$mail->addAddress('andre@iainet.com.br', 'Andre');     // Add a recipient
	$mail->addAddress('financeiro@asainovacao.com.br', 'Jackeline');     // Add a recipient
	$mail->addAddress('byte@iainet.com.br', 'Byte');     // Add a recipient
	$mail->addAddress('marcel@iainet.com.br', 'Marcel');     // Add a recipient
	$mail->addAddress('fabio@iainet.com.br', 'Fabio');     // Add a recipient
	$mail->addReplyTo('contato@iainet.com.br', 'iaiNet');
	// $mail->addCC('cc@example.com');
	// $mail->addBCC('bcc@example.com');

	// $mail->addAttachment('/var/tmp/file.tar.gz');         // Add attachments
	// $mail->addAttachment('/tmp/image.jpg', 'new.jpg');    // Optional name
	$mail->isHTML(true);                                  // Set email format to HTML

	$mail->Subject = '[iaiNet] Contato - site';
	$mail->Body    = '<b>Nome</b>: '.$nome.' <br> <b>Email</b>: '.$email.' <br> <b>Telefone</b>: '.$telefone.' <br> <b>Assunto</b>: '.$assunto.' <br><br> Pagina: '.$_SERVER['HTTP_REFERER'].' <br><br> att,<br>iaiNet';
	$mail->AltBody = 'Nome: '.$nome.' | Email: '.$email.' | Telefone: '.$telefone.' | Assunto: '.$assunto.' | att, iaiNet';

	if(!$mail->send()) {
	    echo 'Houve um erro ao enviar a mensagem';
	    echo 'Mailer Error: ' . $mail->ErrorInfo;
	} else {
	    // echo 'Message has been sent';
	    header('Location: '.$_SERVER['HTTP_REFERER'].'?msg=sucesso');
	}
}

?>