The e-mail marketing software has become indispensable for any company or companies with Internet presence. New customers will be promoted, while the existing customers on hold. The customer has always informed about current prices, for example, offers and news. It should be remembered that the competition may also work with a software newsletter. Newsletters are no unwanted spam. Someone interested in the products or services of a company may need to subscribe to the newsletter service. Simple and Easy, the subscription can be terminated at any time. For every Internet user with a matching newsletter is. Even many musicians offer newsletters to their fans. Dates for concerts, albums, or even advertising for new fan articles in the local shop that gets interested in his e-mail inbox. Newsletter find use in many areas. The email marketing software can sometimes be very expensive. However, the price / performance ratio of such programs by reputable Internet agencies very satisfactory. The price depends on the desired functionality and features of the software. Therefore, the newsletter software is offered in multiple variations. An exact price for the program can therefore not be set. The best way to contact to the internet agency to decide, what functions would be needed for the newsletter service. If necessary, additional features are unlocked with a license fee simple. Also free demo versions are available on the homepage of many programmers to download. Just test a few days rest in the software and activate it in satisfaction of a license for full version.