PHP Mailer example

email.php

<?php
require 'PHPMailer-master\PHPMailerAutoload.php';
$clienteEmail = $_POST["email"];
$mail = new PHPMailer;
//$mail->SMTPDebug = 3;                               // Enable verbose debug output
$mail->isSMTP();                                      // Set mailer to use SMTP
//$mail->SMTPDebug = 2;
//$mail->Debugoutput = 'html';
$mail->Host = ' smtp-mail.outlook.com;';  // Specify main and backup SMTP servers
$mail->SMTPAuth = true;                               // Enable SMTP authentication
$mail->Username = 'lucas2213690@outlook.com';                 // SMTP username
$mail->Password = 'XXXXXXXXXXXXX';                           // SMTP password
$mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
$mail->Port = 587;                                    // TCP port to connect to
$mail->setFrom('lucas2213690@outlook.com');     // Add a recipient
$mail->addAddress('lucas2213690@gmail.com');               // Name is optional
//$mail->isHTML(true);                                  // Set email format to HTML
$mail->Subject = 'Here is the subject';
$mail->Body    = 'This is the HTML message body <b>in bold!</b>';
$mail->AltBody = 'This is the body in plain text for non-HTML mail clients';
if(!$mail->send()) {
    echo 'Message could not be sent.';
    echo 'Mailer Error: ' . $mail->ErrorInfo;
} else {
    echo 'Message has been sent';
}
?>