It’s a minor thing, but over and over we see people wondering where the heck their gem store purchase went, thinking it wasn’t delivered when in reality their mailbox was just full.
Making it so that mail from the BLTC doesn’t actually count toward your inbox total/can bypass the inbox limit, like any other system-issued mail, would solve the problem. Since the mail is deleted immediately after the item is claimed anyway, this shouldn’t pose any problems. :o