Websigned, sealed, delivered (original title: Dead letters), also known as lost letter mysteries, is a drama/romantic comedy television series that aired on the hallmark channel in 2014. (a titles & air dates guide) last updated: An eccentric group of postal detectives work to solve the mysteries. Webnot all mail makes it to its intended recipient, so what happens to undeliverable mail? Several postal workers work as detectives to track down the people. Webthe series, also known as lost letter mysteries, initially ran for one season but gained popularity, leading to its transformation into a collection of television. Fans of hallmark mystery's signed, sealed, delivered series, known affectionately as the postables, are dancing in the streets as of late.
