XSS vulnerability in Sqwebmail 4.0.4

Hello Bugtraq, Sqwebmail http://www.inter7.com/sqwebmail/ is a web cgi client for sending and receiving email using Maildir mailboxes. During a web application security evaluation on Sqwebmail 4.0.4.20040524 we have found a XSS Cross Site Scripting vulnerability inside the printheaderuc function...