Having gone through most of the address details.
Telesales: "And could I just take an email address for Malcolm?"
Prospect: "We don't give out email addresses."
Telesales: "OK, could I have your companies generic address then?"
Prospect: "As I said we do not give out email addresses!"
Telesales: "Oh OK, it's not a problem, I'll get the address from your website."
Prospect: "What? Wait? What? Oh OK it's.........."
Nothing is secret anymore.