On Sat, Aug 3, 2013 at 6:07 AM, Rich Shepard <[email protected]>wrote:
> On Sat, 3 Aug 2013, Brian Martin wrote: > > > I have a web-site where people can sign up to receive occasional e-mails. > > When they sign up, my code sends an e-mail to the given address asking > for > > confirmation. Of course, if the e-mail address is invalid the > > confirmation bounces back to me as undeliverable. > > Brian, > > Have you considered using captcha' on your site? That requires a human > to > copy obfuscated text to a text entry widget to validate the form has not > been filled in by a bot. > > Rich The ner-do-wells have figured a way around captcha'. They divert some random user's access to a site of interest, stick in the captcha' from your site, then collect the user's response, and use it to access your site. How they do that is a mystery to me. -Denis _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
