< Buy a House, Get Noticed by Scammers
Same goes for PGP public keys paired with your real mail address, as I learned the other day. Submitted mine to pgp.mit.edu before checking their FAQ...
Now I am waiting for the Pfizer ads to flood in:/
I can create automatic filters for unwanted email, but the only solution for unwanted snail mail is still to manually sort incoming mail and shred the spam, because even though the US Constitution explicitly specifies that mail is Uncle Sam's responsibility, the US Postal Service is expected to finance itself and thus won't turn away their biggest customers: advertisers.