Luta Spam

This class can be used to encode e-mail addresses to make it more difficult to grab by e-mail harvesting robots. It can take an e-mail address and replace some of its characters to make it difficult to recognize by robots by replacing @ and . characters by respective images. The class can also do the opposite, i.e. replace the images and decode the e-mail address by @ and . characters respectively. Since v1.1 checks for valid email address and also encode the username part. Since v1.2 it replaces the @ and . for images and also checks DNS records to Internet host name of the given email