This Halloween you won't get the message.. MAILER DAEMON in The Undeliverables 2 : Return 2 Sender!
If you've ever bounced an email or encountered a full inbox then you're probably familiar with the mystical Mailer Daemon! These delivery devils revel in reminding you of your email failures.
The Mailer Daemon figure is a demon mail delivery bot that failed to deliver mail, carrying its pink slip with itself. The pink slip contains a techie joke and the overall design of the product is themed after a horror movie.