What is an autoresponder? An autoresponder is simply an automated email program that responds to an incoming email automatically, with a pre-written message.
One-time autoresponders- At the beginning, autoresponders only allowed you to send one automatic message. These simple autoresponders were based on the old fax-on demand systems (where you would dial a certain number, plug in a code and get back and automated fax message). Nowadays, almost any web host