CH schrieb: > Hello everyone, > > I am not sure what the exact name of it but I will try to explain it. > > Say you reply to am email to a person and it comes back saying that you > need to verify that you are a real person and not a spammer. > > Is there anything out there similar to that under the GPL or free?? > > Hopefully I explained that right. I would have used google but I do not > know the exact name of it. > > Thanks, > Will http://en.wikipedia.org/wiki/Challenge-response_spam_filtering Please, please don't use this nonsense! http://linuxmafia.com/faq/Mail/challenge-response.html http://tmda.net/ - released under the GNU General Public License Alexander
