RE: [PHP] captcha WAS Please visit my php program
| From: | Roger B.A. Klorese | Date: | Mon, 29 Sep 2003 18:33:46 +0000 |
| Subject: | RE: [PHP] captcha WAS Please visit my php program | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-164283@lists.php.net to get a copy of this message | ||
> Exactly what is the purpose of this? Let me clarify. I know that it's
> supposed to prevent computers from submitting forms automatically
> because they cannot read the graphic, but what I don't
> understand is in
> what cases this is useful?
Not being able to auto-subscribe to mailing lists in order to spam, for one.