These are the times of internet mediums and most of the customer client relations are built and maintained through this medium. In the wake of this situation there is a need of a personalized communication where you can reach the clients in a direct manner, with a personal touch, right into their mail boxes. This form of marketing is called Email Marketing Service, where you get in touch with your customers directly by sending them personalized emails. This is a highly cost effective manner of reaching the maximum number of existing and potential clients.