Another reason consumers should be able to opt out of all third class/ bulk mailings.
Like many things bad, lobbies control these things.
It apprears, Usps has a free service that gives you a pic of your 1st class mail. Could eliminate most trips to mailbox.
Informed Delivery™ - Email Notification
Without junk mail you could go away for a long vacation and not have your box filled with "you won a car keys "