Royal Mail warning for deliveries in time for Christmas 2020 Here are Royal Mail's final posting dates for Christmas Royal Mail staff work flat out to deliver a first class Christmas for all their customers. (Image: Newcastle Chronicle) On what could be a massive day for Liverpool - sign up for the Liverpool Echo newsletter so you don't miss the big storiesInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time.