Plus e-mail addresses of possible customers so that you can post update and new information to them.
It is crucial to choose the right one. An auto-responder should enable you to be as personal as etiquette allows in sending out follow ups to all potential customers as persistence has been proven to pay off.
It often takes as many as 7 e-mails before any sale in finalised.
In some cases the customers have asked for specific information and therefore an Auto-responder should allow unlimited space for the text to do this. But generally speaking advertisement should be short, direct and to the point.
Auto-responders are one of the important internet marketing tools that should not cost a lot in terms of value for money.
There are free auto-responders available online from many sources, although generally speaking a greater range of facilities are offered by the paid for programs.