Do you use Outlook as a web version or have you set it up using an IMAP connection? If that is the case, the rules you set may have influenced the built-in spam filter from your provider. As mentioned above, this could have led to it treating them as 'wanted'. My provider has a pretty good spam filter so I hardly ever get any spam in my inbox. The problem is that I regularly have to go through the junk folder to extract messages that should never have ended up in there. You win some, you lose some...