In this article, we discuss how to write a resignation letter when you're unhappy with management and we offer templates and examples you can use as a guide. If you're unhappy with management over unsatisfactory working conditions, here are two letter templates you can use to resign.Resignation letters shoulf always be polite. They should have no negative or critical feedbacks. Looking to resign with a Unfair Treatment Resignation Letter? Use our resignation letter template for reason roles. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.