Abstract: Various technologies and techniques are disclosed for providing an autoresponder that allows subscribers to opt-in to one or more autoresponder campaigns using their spoken voice. Voice input is received from a subscriber and converted to text. The subscriber is added to at least one campaign. A contact communication identifier is stored in a subscriber contact record from the text that was converted from the voice input. One or more messages are sent to the subscriber using the contact communication identifier, and according to a schedule specified in the campaign. A virtual seminar playback system is described that simulates a live virtual seminar and allows subscribers to access a playback of a media recording over a communication connection at a specified time. An autoresponder system is described that delivers messages to subscribers in multiple available formats, based upon selections received by the subscribers.