I heard about this on our neighborhood website. USPS offers what they call Informed Delivery, if you sign up for it you will get an email notification every day with scans of the mail you will receive that day. We've had a spate of packages & mail stolen in our neighborhood lately. I just signed up for it because our passports are being mailed out soon and I want to make sure we get them. Registration is lengthy but it may be worth it.