We had a "reply all" debacle once on the Army email system called AKO several years back- got sent to like tens of thousands of people, and it took weeks of "Please stop hitting reply all!!" and "Remove me from this email chain!" and some other really choice meltdowns before it finally stopped. It took literally hours for me to delete page after page of emails from it when it was all over. LOL.
*somewhere in China....
"Sir, we're almost ready to test this new missile. When testing is complete and the systems are deployed, we'll be able to bring America to it's knees.
"Hold off on that for a minute. I've got a better idea. Compose this email for me..."