Asp.net Auto-responder in VB

Asp.net autoresponder written in vb Looking for a multi-user autoresponder that uses an sql database.? Each user has the ability? for a secure log-in.? Users can enter email address manually, upload email address files in txt or xls files.? Users can created various email campaigns.? User can setup various html emails to be sent out with these campaigns.? Also, autoresponder must allow asp.net websites to feed additional emails to the database automatically.? The asp.net web page will feed new email address into the sql database and also identify which campaign they belong to.? Application will provide an opt-out provision when used automatically removes email address from all campaigns.? administrator has option to override this. Application will also allow users to upload or down load their email lists. A reporting module will identify to users the status of campaigns.? An admin account will be able to see all user reports and turn off/on user accounts. If an example is available, please submit link where it may be seen.