mail.php

<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
require "vendor/autoload.php";
$mail = new PHPMailer(true);
$mail->SMTPDebug = 0;
$mail->isSMTP();
$mail->Host = 'smtp.gmail.com';
$mail->SMTPAuth = true;
$mail->Username = 'yourmail@.com';
$mail->Password = 'yourpassword';
$mail->SMTPSecure = 'ssl';
$mail->Port = 465;
$mail->setFrom('whatever@mail.co', 'mr.nobody');
$mail->addAddress($_POST['Email'], $_POST['Nama']);
$mail->isHTML(true);
$mail->Subject = "Aktivasi pendaftaran Member";
$mail->Body = "Welcome, Thank You For Register. To Activating Your Account Click Link<a href='http://localhost/activation.php?t=".$token."'>http://localhost/activation.php?t=".$token."</a>  ";
$mail->send();
echo 'Message has been sent';