FreewayTalk

Dom Harlow

11 Aug 2020, 8:39 pm

[Pro] Anti-spam bot for contact forms

Hi all I have a problem, in that my contact form is being used to send spam (mainly to me). Is there an easy (free?) way of adding a simple maths question to the form, so that the contact form will not send an email without the correct answer? I am not a coder - which is why I use Freeway! Thanks to all for reading and helping

http://www.carbonpunt.org.uk

It said on the box, ‘requires Windows 10 or better’, so I bought a Mac

waltd

11 Aug 2020, 11:25 pm

If you are using the built-in form handler in Freeway (the Send Form Action), there is a built-in “honeypot” feature in that handler. What it does is present a hidden field, which robots will fill in, and humans can’t see, so they won’t. (Don’t worry, it also includes affordances to make this clear to visually-disabled visitors using a screen reader or another assistive device.) If that field is valued when the form is submitted, the “Thanks” page appears, but no e-mail is sent to you.

What this cannot fix is any sort of “room full of bored people” attack. This surprisingly-inexpensive attack vector is used quite often nowadays, and even CAPTCHA puzzles like “find all the stop lights in this picture” cannot keep them from working. If someone has identified you as a likely target, or you’re just on a list somewhere, and there’s a bunch of underpaid idiots filling in your form in a shed alongside a railway, then you’re going to get mail. There’s not much you can do about that.

Walter

On Aug 11, 2020, at 4:39 PM, Dom Harlow <[email protected]> wrote:

Hi all I have a problem, in that my contact form is being used to send spam (mainly to me). Is there an easy (free?) way of adding a simple maths question to the form, so that the contact form will not send an email without the correct answer? I am not a coder - which is why I use Freeway! Thanks to all for reading and helping

http://www.carbonpunt.org.uk

Freeway user since 1997

http://www.walterdavisstudio.com