[kristopolous]

I've got a classic guestbook on an intentionally vintage page but I actually filter the input into "spam" and "humans". Here's the spambook: https://bootstra386.com/spambook.html

The filter system is open source https://github.com/kristopolous/BOOTSTRA.386/blob/master/hom...

Showing it's not impossible to have a classic anonymous guestbook, you just have to be a bit clever.

Yes, that's a zipbomb to a particular offender at the beginning. It worked. A script dumb enough to brainlessly slam the site easily broke against a zipbomb.

[tgv]

Line 44 is like a chronology of spam terms: starting at porn, then viagra, now bitcoin and online gambling.

[kristopolous]

The simple work of splitting up the nonce at https://github.com/kristopolous/BOOTSTRA.386/blob/master/hom...

Seems to be what makes the vast majority of the spam bots faceplant, at least the ones that spam random irrelevant sites like this one.