The earlier "pair a noya" post did NOT elicit the comments I expected, ie "WTF??". In other words email return receipts are clearly something y'all know about and have seen.
Well, count me clueless. I've never seen one or heard of it before now.
I'd like to know how it works, if it works on all email programs or which ones it doesn't work on.
Here's your chance to aim the clue gun right at Miss Snark's pointy little probiscus.