12-03-2006, 10:36 AM
Quote:Address munging
Spammers harvest email addresses using bots that surf the Net in search of email addresses. If an email address is hidden somehow when it's published on the Web, a bot may miss it. Address munging is the process of hiding or disguising an address. For instance, you can write an address like this: name [AT] domain [DOT] com, or create an image that displays the address, or write the address in ASCII characters. For example, when you put @ in the HTML code, the browser translates it to @.
Content-based filters
Once the spammers have your email address, the fight moves to your mail server and inbox. A simple approach to reducing spam is to filter each message's content...
full article: http://www.itmanagersjournal.com/feature/21508