Abstract: Nested email delivery substitutes a control token into an recipient email address, and uses the result as the username in email to a domain of a secure processing server. At the secure processing server, the recipient email address is extracted, control token identified, and any attachments processed and delivered based on the control token. The secure processing server may be an internet-based secure fax server and attachments processed as native documents for high-resolution, color faxing. Delivery may also be via certified email, or native documents may be processed into workspace storage or through other configured processing. Multiple tokens may be combined to trigger multiple actions.