Revenge is sweet.. Well not really. Most times people actually mess things up more than they were before.
But really, sending someone a package with a piece of shit in it, without insulting him.. can't be illegal right?
And so many providers.. that's scary.
https://www.shitexpress.com/?language=en
https://www.ipoopyou.com/orders/new
Or don't make it the smelly way and send them glitter in a letter..
Or maybe just an evil postcard..
https://awesomestufftobuy.com/revenge-by-mail-postcards/
No really.. that's just some bullshit.