Telemarketing scams, Advance Fee Frauds, Phishing, Lottery Scams, False Billing........they’re all explained on the following pages, with useful advice:
Australian Government Site
http://www.fido.asic.gov.au/fido/fido.nsf/byHeadline/Scams%20-%20types%20of%20scams
UK Government Site
http://www.consumerdirect.gov.uk/watch_out/Commonscams/