PointOfMail – eMail Tracking, Control and Security
http://www.pointofmail.com/

Know and have documented proof when email you’ve sent gets read, where it was opened, and for how long it was viewed! Features include: a) Detailed Information About Recipient; b) Trace Email Reading Chain – Full History of Email Reads and Forwards; c) Links and Attachments Tracking; d) Email, Web and SMS Text Notifications; and e) Totally Invisible To Recipient, Unless You Decide Otherwise. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog. This has been added to Business Intelligence Resources Subject Tracer™ Information Blog.