Findings:

• War on Spam
• subspace spam
• Spam and Corn
• Analyzing spam: A journey into conspiracy theory and steganography
• Spam bomb
• Spam email
• Chinese Spam
• Spam Dragon (user)
• Hot & Spicy Spam
• Spam (user)
• you shouldn't have gone spam everything2
• spam, spam, spam, spam, spam, spam, baked beans, spam, spam, spam and spam
• Everything2 Update: August 2019 - Fighting spam
• Spam Cannon (superdoc)
• Rack of Spam
• SPAM® and eggs
• spam as found poetry
• @ spam
• Spam Titles featuring Sexual Enhancement products
• spam folder
• Pop-ups and spam
• A solution to spam (which doesn't work, but nice try)
• automated gene pool filtering mechanism
• Compulsory opt-in porn filtering
• Content filtering
• How to defeat content filtering services
• URL filtering
• bilinear filtering
• How to use Google to bypass server side filtering
• air filtering plants
• Spam
• explicit colloborative filtering
• implicit collaborative filtering
• filtering software
• collaborative filtering
• HTML filtering
• Spam filter
• Spam Armor
• spam bait
• I like spam
• Citizens Against Ugly Street Spam
• Anti-spam spam
• Spam Mocking
• avoiding spam email
• The difference between Tofu and Spam
• Spam Spread
• Spam haiku
• Spam Musubi
• procmail recipe to drop (forged) Hotmail spam
• Spam Fighting 101
• spam fritter

If you Log in you could create a "spam filtering" node. If you don't already have an account, you can register here.