send email

<?php
$params = array(
                'from' => $this->config->item('admin_email'),
                'fromname' => web_title(), //nama pengirim
                'to' => $admin_mail,
                'toname' => $name, //optional . lebih sering tak digunakan
                'cc' => $admin_cc_mail,
                'bcc' => 'testing@imajiku.com', //email ini valid?
                'subject' => $subject,
                'html' => $messages, //masukkan langsung HTML. tak perlu text
                'replyto' => $email, //tidak ada replytoname
            );

$res = send_email($params);

//sumber dari https://sendgrid.com/docs/API_Reference/Web_API/mail.html