crm Software needed

We are looking for software that can manage our companies large database of clients. We need something similar to Maximizer crm (central interface) software 9.5. The software needs to link up with our website to collect our customer profile information, store and sort it. We need it to keep data secure, effectively manage lists and automate email campaigns, Comply with anti-spam legislation, handle unsubscribe requests with system-enforced functionality to ensure compliance, Increase campaign response by enabling our sales people to follow-up with recipients who opened and clicked-through on their email campaign. We need one central interface: to be able to see all of our important sales, marketing, and customer service & support details such as deals in progress, marketing campaigns received, and open cases. Import and receive notification of leads from your website,compatible with Microsoft office. We need to be able to access remotely. Access to complete account information in one central, easily viewed location. And be able to review the customer’s purchase history & store notes on each client if need be. Basically we need software that can help our internet company manage all of our (1000's) of clients information.