All the mail-aways come pre-sorted standard mail... It's what people actually do call "junk mail", but it's a term the PO has gotten away from and specifically refer to "pre-sorted standard" now. But yeah, there's no need to kid, that is "junk mail".
If the address is wrong and the carrier doing your route isn't familiar with the route totally, that can actually be sent back to the sender quite easily. If your postal carrier knows his/her route well, you'll get it, but someone who doesn't know it could easily just toss it to the send-backs.