1 Toy Katy's Stampwhistle can be very useful; 1 Battle pet Mailemental; 1 Title . Chain quest: First of all you need to find Lost Mail That can be find next to Mailbox in Dalaran ( of any of them ) I was flying from mailbox to mailbox and i found it this way you startking quest chain for Postmaster :) ( see on My video how is look that letter..