Fully automatic operation, the software will even optionally connect to the Internet at pre-defined times if you aren't around. You can have the software connect only when there's no active connection to the Internet at that time.
Once you set it up, the software will work seamlessly in the background downloading email messages, replying to them, sending out follow up messages whenever necessary.
Because it supports automatic opt-in via email, your customers can easily sign up by sending an email to the email address associated with your mailing list.
It is also vital that you provide your subscribers with an easy way to ask you to stop sending them information. The software facilitates this by allowing the subscribers to opt out in the exact same way they had opted in - by sending an email.