I recently had the experience of a guest user gaining unauthorized access to my account when I inadvertently forwarded an internal proof notification. Support explained the following: "From what you are saying it sounds like those users are getting your routing link through a forwarded email, and th...

Yes! Yes! I just uploaded proofs for black business cards – can't see the edge of cards. I would suggest neutral grey, as used in photography, at the very least. Or a user activated choice between white, grey, black for all proofs.