CAPTCHA or the Completely Automated Public Turing test to tell Computers and Humans Apart is widely advertised but one wonders if it is really useful or not. But, before we discuss its practical utility, let us see what CAPTCHA is all about. It is a test, which helps the computer to distinguish between machines and human beings. It creates and grades tests that automatically accept all humans and reject all machines.
It gives you a test to decipher distorted numbers and letters, which are pretty easy for a person to do, …

Everything you need to know about spam filters. This article discusses more information on spam filters and how to choose the best ones for you.
Whether you are a business user or a home user the one thing which bothers you most and keep filling your inbox are loads of spam you get everyday. And sometimes whatever methods you apply there seems no end to the flow of spam which keeps finding its way to your mailbox.
In such scenario using a spam filter or spam blocker is the best remedy. But …