"X-Powered-By:eZ Components MvcTools" in the PHP header and "User-Agent: eZ Components" in the email header

Indicate "X-Powered-By:eZ Components MvcTools" in the PHP header and "User-Agent: eZ Components" in the emails may be a vulnerability for identify a platform.

For remove the header in the email :
$mail = new ezcMailComposer();
$mail->appendExcludeHeaders(array('User-Agent'));

For replace "X-Powered-By" :
$response->generator="PHP"; //in runResponseFilters method of the controler