FNF Postal F Apocalypse Friday Play FNF Postal F Mail dude is a term used to describe an individual who is passionate about delivering mail and making certain they are delivered to their intended recipients. This hardworking postal dude plays a crucial role in assuring that messages are promptly dispatched from one place to another. The postal dude handles various duties, such as sorting packages, organizing routes, and ensuring accuracy and punctuality in dispatches. If you ever meet a postal guy, show them gratitude for their commitment to postal services.