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"Pump & Dump" Spam

This is a common scam where spam emails hype shares of a little known company, of which the spammer has previously aquired stock. When sufficient people fall for the scam and start placing buy orders, the market value of the stock rises and the spammer can sell at a profit. Here is some more information about this type of fraud:

Pump&Dump.con: Tips for Avoiding Stock Scams on the Internet (SEC)
Pump'n'dump spam? Hooray! (CNN)
Sharp Rise in Pump-And-Dump Spam Scams
How scamsters 'pump and dump' victims
Spam-contaminated Stocks
Pump & Dump

Share price manipulations can be reported to enforcement@sec.gov which investigates such cases. There have been a number of successful prosecutions.


Anti-Spam Resources:
jwSpamSpy is spam filtering software (currently in beta test, expected release: Spring 2004)
Anti-spam domain blacklist – list of domains that I refuse to receive mail from
Recent additions to domain blacklist (with whois details)
"419" scam sender/contact addresses ("Nigeria connection" address book)
DNS-based IP and domain name blacklists
Dynamic IP addresses (700 KB!)
Free email providers

How to trace senders of spam
Link exchange offer spam
Getting creative with spam
Smyrnagroup spammers (in German)

Lookup an IP address on blacklists (http://dnsbl.net.au/lookup/)
AOL dial-up address ranges and mail servers