Today companies try different methods of marketing. It seems that email marketing is one of the most popular methods, which companies around the world choose to use. Sending many emails can be relatively easy, but without some sort of software that will help you automate the whole process, you might end up spending many hours doing all by yourself. If you start using software then you will see how easy sending emails to your customers can be. Many people also send send automated messages that can contain newsletters, promotions, or FAQs about their company. Wherever you live, sending emails via such programs is legal as long as they agreed to receive a newsletter.