The Application Service Providing is a service provider that operates an application and offered the customer over public networks (e.g. the Internet). Most products for professional email marketing will be offered as an ASP solution.
Application Service Providers are companies that offer a complete service (partial including software usage) via Internet or a private database for other enterprises.
In case of need, the software can be rented by the customer via data network. With the Help of ASP Services companies can outsource entire administrative departments or process steps.