A newsletter is an email that contains information about latest blog posts, product launches, Webinar registrations or product descriptions.  A newsletter also carries news about the growth of your company or service.  The purpose of newsletter is to let your subscribers, prospects and customers know about certain advancements made by your business.  In a way a newsletter serves as a bridge between you and your customer so your customer follows you regularly and make enquiries about your business much to your pleasure.  As an email marketer, you should take the help of a newsletter generator to send meticulously drafted newsletters frequently to build your online business successfully.