The answer is Anti-Spam Program. The anti-spam denotes to services and explanations that focus on hindering and justifying the effects of illegal electronic mail or spam on electronic mail users. To attain this objective, diverse kinds of anti-spam systems have been combined with the email schemes of many electronic mail and internet service providers. In addition, current anti-spam technology shelters a broad range of filters, scanners and other kinds of applications. To sort electronic mail in sophisticated techniques, anti-spam service sources may screen email signatures, IP addresses or other data which lessens spam.