Faking a JPEG

Reading about Spigot made me remember https://www.projecthoneypot.org/

I was very excited 20 years ago, every time I got emails from them that the scripts and donated MX records on my website had helped catching a harvester

> Regardless of how the rest of your day goes, here's something to be happy about -- today one of your donated MXs helped to identify a previously unknown email harvester (IP: 172.180.164.102). The harvester was caught a spam trap email address created with your donated MX:

This is very neat. Honeypot scripts are fairly outdated though (and you can’t modify them according to ToS). The Python one only supports CGI and Zope out of the box, though I think you can make a wrapper to make it work with WSGI apps as well.