- Say a Firm 'No' To Spam With CAPTCHA

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Say a Firm 'No' To Spam With CAPTCHA

Date Added: October 23, 2009 10:07:53 PM

Author: Leisa

Although the shortened word CAPTCHA sounds a bit odd, we cannot but use it nearly every day. The Internet is the place where users communicate, get information, do business in a convenient and inexpensive manner. But simultaneously it is especially favoured by spammers, hackers & online fraudsters, with megabytes of spam & junk mail spreading around the global net. The abbreviated term CAPTCHA is decoded as 'Completely Automated Public Turing test to tell Computers and Humans Apart'. It appeared in 2000 as an anti-spam module. It is an obligatory test that users have to before sending an e-mail. There are a great number of types of a CAPTCHA. Yet, on our monitors we commonly view figures and letters often crossed with a line. Characters are written in a number of directions. So, it takes a user several seconds to read what a prompt box contains. Some World Wide Web users may find the CAPTCHA test excessive. However, it is a necessary preventive measure to ensure any spam or junk mail will not enter your mail box. In fact it is the computer that creates a test and assesses if a user has succeded in solving it. But the computer program is incapable of solving a test itself. So, if you have passed a test successfully, the computer will identifies you as human, because bots cannot solve a CAPTCHA. This is how the computer identifies if users are human or bots. It is known that spam strognly assaults the World Wide Web. On the whole, there are various anti-spam protection modules which sort out mail. Yet, Drupal CAPTCHA is thought to be more effective. Along with the spam protection, the module secures the protection process, too. The Drupal CAPTCHA adds a compulsory test to all forms used by users or guests. As stated above, the CAPTCHA module is in great need in the technologically advanced era we live in. So, when it comes to choosing a CAPTCHA service provider, make sure it will satisfy your demands. There are also free trial versions you may get from potential service providers before you choose a proper one. Some CAPTCHA modules are compatible with a great number of programming languages. Insure that your service provider will guarantee a backup server in an isolated system to maintain an unstoppable running of the software, whatever problems may come up.

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