A milder story than some here:
Someone had accidentally sent an email to the whole company of 44,000 or so employees. Cue a bunch of emails -replying all- asking why they were receiving the email… followed by another wave of emails asking people to stop replying all.
Was a great popcorn moment, and made me laugh every time a new email came in.
We had this one at a place I worked, except it was a very large company and the chain started crashing servers.
Do you work for UAP? This happened recently at my job, and was fucking hilarious.