http://l3tczdiiwoo63iwxty4lhs6p7eaxop5micbn7vbliydgv63x5zrrrfyd.onion/faq/misc.html
For example there is no point in having Privoxy modify the User-Agent header, if websites can get all the information they want
through JavaScript, ActiveX, Flash, Java etc. A few browsers disclose the user's email address in certain situations, such as when transferring a file by
FTP. Privoxy does not filter FTP. If you need this feature, or are concerned
about the mail handler of your browser disclosing your email address, you might consider products...