"There's no time for funny business when it comes to the mail, slick," K said seriously. "Sure it's all fun and games at first. Friendly neighbors sending postcards to each other during the summer holiday. The occasional birthday card. Then comes the Christmas catalog season. Then Christmas. Then it's tax season and if you don't learn how to deal with the mail then you have no business being there at all."

Chrono might want to check. There probably was a post office in hell.

At least for the people who deserve to work there in the afterlife.