As the electrical time come into people's life, in order to make life more convinient, more and more trade can be realized on Internet, we are likely to buy goods online. As a result, you can find there are more online shops. How they inform customers of the products.
It is not difficult if they have free newsletter software
, which can help you to send numerous messages to customers. But it is not spam emails. Based on the send messages, you can observe the opening rates, reading rates, clicking rates and their IPs. Based on these datas, you can sieze up the marketing tendency and potential clients.