An auto-responder email is a an e-mail which is sent from your email address as a answer to each email that you receive. The content is predetermined and is sent automatically, so every single person that contacts you via email will receive it when their email is received on the host that manages your email messages. This feature is used when you need to notify individuals about various things, including being out of the office for a given period of time or that an order has been received and is currently being prepared. The auto-responder e-mail additionally functions as a verification for anyone who make contact with you their email is received, even if you are not able to read it and make contact with them at once. It could include any kind of text of your choosing and it may be revised depending on the specific occasion.