Email marketing is a strategical marketing technique to send a commercial/business message to a group of people/customers by use of email. Email Marketing most covers advertisements, new product announcements, requests for business, or sales. All email communication is considered as a email marketing technique if it helps to build customer loyalty, trust in a product or company or brand recognition.
This is the easiest and quickest methods to reach the target auidence without requirement of large quantities of print space, television or radio time or high production costs.