Novel Approaches to Prevent Spams

Spam is nothing but an unwanted or unsolicited email sent in bulk. The Spam Messages contains Fraudulent offers, Incentives, viruses etc. The Spammers can flood the net with thousands of messages at an negligible cost. These Spam messages will decrease the throughput, reduces the bandwidth speed and also it will give stress to the individual users. For eliminating spam’s various spam filtering techniques are available. This paper presents a detail survey on various spam filtering techniques that are currently used.