Email Marketing Field Guide. Email Testing and Email Preview - Email on Acid. Email Testing and Email Preview - Email on Acid. 10 of the Leading Mailing List Managers. Email marketing is a major part of doing business online and staying in touch with your customers.
When compared to other types of marketing and advertising, the return on investment is often higher with email marketing than any other method of advertising. Whether you are looking to gain new customers, get more repeat purchases from existing customers, or just to stay in touch through newsletters, email marketing offers plenty of potential. One of the challenges of getting started with email marketing is to find the right service.