Direct Mail Marketing: It is a format for email-based campaigns wherein standalone advertisements are sent to a targeted list of recipients. The messages that may be HTML, text, or rich media, appear Web-based ads quite than usual email messages. A number of parts make direct email marketing several from spam or other less sophisticated email campaigns. For illustration, the sender may utilize customer segmentation techniques to make sure that the message is suitable for the group it's sent toward, and utilize personalization techniques thus the recipient is addressed like an individual.