What is a Captcha?
The verification image in the above form is known as a captcha.
In order to keep from getting lots of rather unplesant mail I am using a web form with a built in captcha feature. What this does is to prevent the email from bieng sent if the sender doesn't enter the correct info into the field that corresponds to it. This makes it easy for a person to send me mail, but rather difficult for an automated program to do it. I really do want your correspondance, but making things complicated is a necessary evil. The interent is full of not so nice people.
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