This mission is very easy, especially if you are using firefox and the “Tamper data” add-on. All you have to do to pass this mission is to modify the hidden “to” field in the first form on the page (you can see it by viewing the source of the web page Ctrl + U under firefox), and to do this open Tamper data (Tools -> Tamper data), then hit the “Start tamper” button. Now, go back the to mission page and click on the “Send password to Sam” button

click on the “Tamper” button

now throw in any email address you want, once done you will get Sam’s password, enter it, congratz you’ve completed the 5th basic mission of HTS.