Entropy

If you have a domain catch all (e.g. accept *@yourdomain.com) you might be so bogged down by spam you can hardly even read this article.

Nevertheless, if you have managed to, LifeHacker has a tip on how to stop the endless abuse.

When you have your own domain, you can to use site-specific addresses when you register for web services to track down spam sources (like amazon.com@yourdomain.com), but once you do that, you’ve got to keep your catch-all address open to junk mail as well. But Google Apps user Ray has a clever system that filters out catch-all junk but still lets him track exactly who’s selling out his address. Here’s how to set it up.

Read the post at LifeHacker.