You should be able to go to the USPS and do a change of address for yourself. That way every time mail for you is sent to your tenant, it will go to you.
https://moversguide.usps.com/mgo/move-combined-mobile will let you do it online.
It's a pain that you have to do this because of their incompetence. But it will save you the embarrassment.
go to the *private company the usps sold the captive market to.
This is actually a great idea.