Hello, and welcome to the easyDNS Spam Concerns tutorial. One of the greatest aggravations for Internet users, and also one of the most significant concerns facing Internet businesses, is the proliferation of unsolicited bulk email, commonly referred to as "spam". The volume of mail that this practice can generate is not only an inconvenience to the end-users of email systems, but can cause slowdowns and interruptions in services. Spam is a serious problem and there are a number of methods used and proposed to cut down and, ideally, eliminate it.