Are there different kinds of Spam?

According to a Wikipedia article, there are approximately 8 types of Spam:

Types of spam

1 Spamvertised sites
2 Most common products advertised
3 419 scams
2.4 Phishing
2.5 Appending
2.6 Image spam
2.7 Blank spam
2.8 Backscatter spam

Spam has several definitions, varying by the source.

- Unsolicited bulk e-mail (UBE)—unsolicited e-mail, sent in large quantities.
- Unsolicited commercial e-mail (UCE)—this more restrictive definition is used by regulators whose mandate is to regulate commerce, such as the U.S. Federal Trade Commission.
- Any email message that is fraudulent.
- Any email message where the sender’s identity is forged, or messages sent though unprotected SMTP servers, unauthorized proxies, or botnets