You can use your database to export names and addresses to your email program, personalizing your message to a broad customer base. ACT, Microsoft Access, and MyMailingList are three Windows databases. I use FileMaker for Windows. It also allows me to customize my invoices, sales letters, and personalize campaigns via direct mail, direct email, as well as providing customer tracking. Do not forget the power of different media.
Faxes are cheap and a good way to reach someone in print.
One site I visit contacts you via email, then follows up via fax with a guarantee to get you one contract as a consultant within a year of joining them. All Rights Reserved.