>Spammers know everything about ROI, if a platform isn't worth it spam won't be found there. The problem is that the 'I' in ROI is tiny. I occasionally put up

>Spammers know everything about ROI, if a platform isn't worth it spam won't be found there. The problem is that the 'I' in ROI is tiny. I occasionally put up custom web forms for sending feedback about my software. All custom fields etc. And after a period they will start generating spam, despite the fact they send only to me and some spammer had to go and create a completely bespoke spam bot to fill it out. It is clearly worth it for spammers to hit just about every open web form on the internet, as far as I can tell.