What to Report Google Web Spam Team

Web spam is common on web and Google is fighting with this. We must help and support Google. You can report he following issue any time at this link

Selling or Buying Links
Copyright And Other Legal Issues
Objectionable Inappropriate Content
Personal/private Information Disclose
Malware – This Page Is Infected
Getting Sensitive Information By Phishing
Violating Webmaster Guidelines
Non Compliance Of Google Rich Snippets

Read more about reporting web spam