Essentially all you need to begin an e-marketing campaign is a bunch of e-mail addresses and an e-mail client. If the mail addresses are of interested parties then this strategy could work to generate you more business.
However, e-mail marketing is often only effective when the campaign is optimised, when various options are split tested and when you can gather a large volume of valuable e-mail addresses. In other words, an effective e mail marketing campaign will only be truly effective if it delivers quality and quantity.
In order to make the best of your campaign you might consider using the services of an email marketing agency. These are companies that specialise in optimising e marketing campaigns and they should be able to help you with everything from using the right templates for your mail and delivering them in the correct way.
Because e-mail marketing is so valued by modern business there are all sorts of tools available to enable companies to optimise their campaigns. This is known as e mail marketing software and an agency might offer similar tools.
For instance they may allow for the easy construction of attractive e-mails and newsletters. Ideally the software will offer personalisation options, as personalised e-mails are known to be more effective from a marketing angle. Software should also help with the practical important of e-mail address and delivery and the management of e-mail addresses, e.g. weeding out bounced e-mails.