Royal Mail was warned this week to “stick to its guns” and fulfill its promise of delivering a replacement post box for residents in Bentfield End Causeway. Following a series of u-turns the company confirmed on Tuesday that it would be installing a new box after the old one situated within a private wall had to be removed because the structure was in danger of collapse. Fears that the mailbox would not be replaced prompted a flood of complaints from residents in the area with the owners of the wall, Katherine and Kevin Jameson, bearing the brunt of the upset. The couple criticised Royal Mail …