B2B lead nurturing is the modern way to reach the customers with the best content in the form of newsletters, for example. In the internet there is the big competition between firms and shops that want to sell their products. This competition is present in the field of advertising. The big profits are usually the result of the effective marketing campaign, conducted often via email. Creating and the dispatch of newletters containing offers from the seller is the way to attract customers. B2B lead nurturing is the tool that enables to improve and speed up the process of sending marketing messages to great number of receivers. This tool is used for exmaple in the programme Freshmail. Thanks to it, it is possible to maintain the contact and the interest of consumer. The other advantages are also very important. Thanks to the mass dispatch of newsletters system, it is possible to transmit the key ideas of the offer or services. The customers gets immediately the newest offers, messages and other automatic solutions.