where i live in california, there is an option to receive photos of incoming usmail from the usps before the physical us mail is actually delivered.
i wonder if that is also an option in GA, PA, WI, MI, and NV.
the reason is that there might be a possibility that tracking could be used to prove or disprove receipt of mail-in ballots to county/precinct election offices.
I live in Georgia, and yes, I can (and did) sign up to receive daily emails with images of my incoming mail.