phpmailer doesn't send important information (email address entry) - php

Question

Someone built this site for me and I have no idea about php and which part I should fix :S
Basically I have this single text entry form on my site which users can enter in their email address to that form and once they send submit I'll get the email address they input in.
The dev used phpmailer and at the moment when someone submitted their email address, I don't get any of their email address. The only entry/ email content I get is from "me" and a content of "Thank you. We'll update you as soon as possible."
This is the sendmail.php on the root folder:
<?php
$from = "ask#michaelfrieda2014.com";
if (isset($_REQUEST['email']) && $_REQUEST['email'] != '')
{
$email = $_REQUEST['email'];
sendMailSingup($from, $email);
sendMailSingup($from, "ask#michaelfrieda2014.com");
}
function sendMailSingup($from, $to)
{
include_once('phpmailer/class.phpmailer.php');
$mail = new PHPMailer();
$body = "Thank you. We'll update you a soon as possible.";
$mail->From = "$from";
$mail->FromName = "";
$mail->Subject = "Thank you!";
$mail->AltBody = "Thank you!"; // optional, comment out and test
$mail->MsgHTML($body);
$mail->AddAddress("$to", "");
//$mail->AddAttachment("images/phpmailer.gif"); // attachment
if(!$mail->Send()) {
echo "Mailer Error: " . $mail->ErrorInfo;
} else {
#echo "Message sent!";
echo 1;
}
}
How do I make it so that I get the important information? (Their email address sent to my email). Am I missing something?
Thanks!

Answer 1

Below this line...
$body = "Thank you. We'll update you a soon as possible.";
add:
$body .= "<br><br>Sent from: $to";
(note the .= -- this will append to the $body variable)
If you want to fix the reply-to address, add this line:
$mail->AddReplyTo($to, $to);
before:
$mail->From = "$from";