I looked at your .procmailrc and found that I wasn't doing anything with your spam messages. Hence, they ended up in your regular Inbox. I changed it so it will stick messages marked as "spam" into a folder in your ~/mail directory (accessible in your "FOLDERS" in pine) called "junk-suspects". It looks like it does mark some regular mail as spam. For example, the automated list I send you from craigslist and homes.com are considered spam, as were some messages from Simon and Tamara. So, you probably should check it regularly -- probably weekly.