php email errors again...

Hello,
i have just moved a website to a new server,,, so of course my email scripts dont work anymore.

This error is wierd, the form works if every field is filled, if any fields are blank they give the error...

this is my code

<?php

$name = $_REQUEST['name'];
$email3 = $_REQUEST['email3'];
$phone = $_REQUEST['phone'];
$workshops = $_REQUEST['workshops'];
$shiatsu = $_REQUEST['shiatsu'];
$comments = $_REQUEST['comments'];


// ********* reply email customer support ************
$msg = "E-Mail Sent From http://www.guidingrhythms.com\r\n\n";
$msg .= "Dear $name;\r\n\n";
$msg .= "We have received your email\r\n\n";

$to = $email3;  // **** to form filler ********
$subject = "guidingrhythms.com: Contact Form\r\n";
$mailheaders = "From: snjezana@guidingrhythms.com\r\n";
$mailheaders .= "Reply-To: snjezana@guidingrhythms.com";

mail($to,$subject,$msg,$mailheaders);

// ******  end of reply email *********
// ******** start of email to customer support **********

$msg = "Name : $name;\r\n";
$msg .= "Email : $email3;\r\n";
$msg .= "Phone : $'phone;\r\n";
$msg .= "Workshops : $workshops;\r\n";
$msg .= "Shiatsu : $shiatsu;\r\n";
$msg .= "Comments : $comments;\r\n";

$to = "snjezana@guidingrhythms.com"; // ** this is the customer service dept. **
$subject = "Feedback form\r\n";
$mailheaders = "From: $email3;\r\n";
$mailheaders .= "Reply-To: $email3;";

mail($to,$subject,$msg,$mailheaders);
header("Location: contact.php");
?>