Mail services cater to individual demands and strive to make their services simple and economical for all of its consumers.... moreMail services cater to individual demands and strive to make their services simple and economical for all of its consumers. Many of these organisations offer automatic billing, online interface, tracking, and other business-friendly features. Customers will also pay for a particular service that suits their individual needs, eliminating the need for them to worry regarding overspending on the service.