Php File <?php use PHPMailer\PHPMailer\PHPMailer; use PHPMailer\PHPMailer\Exception; if(isset($_REQUEST['name'])) { $first_name = $_REQUEST['name']; // required $email_from = $_REQUEST['email']; // required $number = $_REQUEST['number']; // required $subject = $_REQUEST['subject']; // not required $message = $_REQUEST['message']; // required $email_message = "Inquiry details are mentioned below.\n\n"; $email_message .= "First Name: ".$first_name."\n"; $email_message .= "Email: ".$email_from."\n"; $email_message .= "Contact Number: ".$number."\n"; $email_message .= "Subject: ".$subject."\n"; $email_message .= "Message: ".$message."\n"; $email_subject = "Website Customer Inquiry"; //Load Composer's autoloader require 'vendor/autoload.php