Header problem

Anon

I have a php script that worked fine with an Apache server running php 4.0.3. I have since switched to a new ISP and they are running 4.0.3pl1.

The same script does not work with the new server - and it's driving me crazy trying to figure it out. Here is a sample of the code:

<?php
$mailTo = "user@mail.com";
$mailSubject = "Subject";
$mailBody .= "Name: $firstname\n";
if($mailHeaders="From: $email");
if($mailok=mail($mailTo, $mailSubject, $mailBody, $mailHeaders)) {
header("location: http://www.domain.com/thankyou.html");
} else {
echo("We're sorry. There was an error processing your request. Please try again.");
}
?>

Can someone help?

[deleted]

it helps if you tell us what is going wrong. DO you get any error messages?

PS. what is this line for?
if($mailHeaders="From: $email");

Anon

I just realized I didn't give you an explanation of what's wrong.

The script is e-mailing the info - the problem is it's not redirecting to my thankyou page. It's giving me the error that I coded in: "I'm sorry, there was an error processing your request. Please try again." This worked fine on the other server running PHP 4.0.3. It's not working with PHP 4.0.3pl1. I made sure there wasn't any blank lines above the header().