I used to do this alot; the problem is if you forget or slip once, or a spider is designed to scrape emails matching your pattern then it's worthless. The way

I used to do this alot; the problem is if you forget or slip once, or a spider is designed to scrape emails matching your pattern then it's worthless. The way to look at it is "security through obfustication" - which most people would agree is bad :) Ultimately I found a better solution: Gmail. Catches almost all of the spam I get - and filters catch newsletters etc. that "slip through" and get them out of the inbox.