Description:
------------
The mail() command verifies email addresses. It wont forward messages unless the "From: $email" address is correct. It will forward messages ending .com.au, .cc, .co.uk and so on. It will not, however accept email addresses ending .co.nz as being valid.

Reproduce code:
---------------
<?
 $Name = $_REQUEST['Name'] ;
 $Organisation = $_REQUEST['Organisation'] ;
 $tel = $_REQUEST['tel'] ;
 $email = $_REQUEST['email'] ;
 $agree = $_REQUEST['agree'] ;
 $message = $_REQUEST['message'] ;

    mail( "david@powell.co.nz", "vehicle.co.nz Sale",
      "Name: $Name\nOrganisation: $Organisation\nTel: $tel\nEmail:$email\nComments: $message", "From: $email" );
    header( "Location: http://www.vehicle.co.nz/thankyou.html" );
?>
 

Expected result:
----------------
email addresses ending .co.nz should be accepted

Actual result:
--------------
messages from addresses ending .co.nz are not sent.