Wow. This thread just alerted me to the existence of that 'other' mailbox. I had no clue that existed. That could have saved me some trouble; I just found this message from last July:
I just wonder how many millions of messages that have gone unnoticed. I've seen a few articles written, alerting people to it's existence, but it's not like people are searching for articles on things they don't know exist.
http://img29.imageshack.us/img29/1792/screenshot20120625at35...