Some e-mail attachments are more sensitive than others, just as some e-mail recipients are more responsible than others. Chrome extension docTrackr lets you encrypt Gmail attachments, set permissions, and remotely destroy them. It also alerts you when a recipient opens or prints an attachment, so you can call shenanigans the next time your flighty friend claims not to have received an attachment.
When docTrackr installs, it adds a button next to the regular attachment button in Gmail's compose window. It also adds a button to the right of Chrome's address bar that provides a link to docTrackr's … Read more