The cycle of spam
Ever wonder where those spam email messages you receive come from, and how they got your email address? Spammers use a combination of technology, persistence and trickery to obtain email addresses and avoid detection.
The best ways to protect yourself from spammers and the scams they often promote is to be selective with the websites on which you post your email address and to ignore messages from companies that you've never heard of or seem suspicious.
HOW THEY GET YOUR EMAIL ADDRESS
“Spiders" – Also known as robots or scrapers, these software programs crawl the Web and online discussion groups, grabbing email addresses and domain names. Online directories and popular sites, such as AOL and eBay, are favorite targets.