Image Verification is a security code that is created automatically and must be verified by entering the matching code to determine whether this form is not being submitted by a spam bot which browses the web and submits spam to email addresses. It is impossible for an outside computer program, such as a spam bot, to extract a word or a combination of letters and numbers from an image (as shown above), if the letters and numbers are not all of the same size and of similar font. This is why, the Image Verification security code ensures this form is only submitted by a human and not a spam bot.