The very first email was sent in 1971. In view of then email has develop from a communication tool for analyser to a beneficial way for friends, family and businesses to touch with each other. Over the last decade email has to develop into a primary marketing channel. For recently, the improvement in social media marketing has presented a challenge to email marketing. However, email is remains one of the most effective and active methods of customer communication. According to the survey above 70% of marketers believe email marketing is to their business. Email list growing to importance coincide with these high popularity of smartphones, which offer clients a constant inbox in their pocket. The usage of email is still a primary source of communication and gets a more attention. These are the despite competition from social media sites and mobile messaging. In truth, research shows that there are three times more email accounts than Twitter and Facebook accounts combined. A...