Email Marketing software

The idea of this site is to have members subscribe to use the facility of email marketing. New Members can register with the email marketing system. During registration the member can select his membership type . Such as "Silver Member Subscription" can have a mailing list up to 500 addresses. "Gold Member Subscription" can have a mailing list up to 2000 addresses. "Platinum Member Subscription" can have a mailing list up to 5000 addresses. Each member can have his/her own email marketing campaigns. Email marketing campaigns are mainly targeted on the existing customers of a member. So member can import their sales & customer details to the email marketing system from XML file/files which is exported from his/her existing database(Oracle, MySQL ...). From this imported data, members can search his customers according to the specified search criteria and can be added to the email campaign. Customers who are not present in the member's imported data can also join to the mailing list of the member as opt-in customers by submitting a form displayed in the members website.