With the growth of networking the usage of mails are also enhanced. Due to rapid growth of internet, dependency of communication is mostly based on electronics mails for both commercial and business purposes. According to today’s scenarios electronics mails are also plays vital role in marketing or production advertisement. Hence numerous marketing firms used e-mails as a tool for promoting their products and services. These types of mails are generally called spam mails. Sometimes it is quite difficult to identify important mails among such group of spam mails.