The term CAPTCHA may sound strange at first but honestly we’re all using it everyday of our lives. The Internet is a platform that allows us to communicate in quick and economic manner. However, this has its own problems because the Internet is also plagued with spammers and there’s lot of spam and junk mail that’s doing the rounds.

CAPTCHA, those distorted letters people often encounter when filling in web forms, can be found on an increasing number of web sites even though the can be annoying for users. Here is a look at what they are, why they are used and the arms race between those who want to keep spammers and others from web sites and those who want to misuse the internet.

In this article I will reveal to you simple but effective was to slash the number spam form submissions you receive in your email box. The best part is non of these techniques require the use of annoying captcha images.

Spammers abuse electronic messaging system; post messages on blogs, forums or guest books and send spam emails to get free advertisement. So all modern scripts available today have inbuilt spam blocker systems.

Bloggers are painfully aware of website owners who try to improve their website’s rank by adding links to blogs. There are several strategies for combating this problem. The first and most obvious method is to avoid free blogger sites. These are favorite targets for comment spam.