http://www.autoresponderpro.net/wordpress-autoresponders/

Autoresponders – Automation At Its Finest
Having an email list is extremely important because it represents a set of people who are either your loyal customers or prospects. A targeted subscriber list can be your most valuable asset for your business. If you want to invest in your business, and you have a list, the most rewarding investment would be to maintain healthy and positive relations with your list. When you have a targeted mailing list in your niche market, it gives you the opportunity to communicate with your customers. And you can send out regular updates and useful information they might find interesting. When you realize how important a list can be, be sure to take every chance you can to help them with solid information. You’re simply missing out on sales every time you fail to do this. And how is this done? You do this with an autoresponder which is simply a piece of software that makes communicating via email automatic. We’ll be exploring the many benefits of using autoresponders.
The process to use autoresponders is easy. First, you won’t have to be concerned about creating a signup form. You’ll need to have an opt-in form on your site. People need to give you their contact info and subscribe. So what happens is you’ll receive optin forms from you service provider. Very convenient. Your provider will give you HTML code to put on your site, just copy it and paste. Everywhere you look these days, marketers are turning to tools such as can be seen on this IM Eye page.
Some marketers will not get into list building. They’re not technically inclined so they avoid it. But that’s one of the many benefits of subscribing to an autoresponder service like Aweber; the technical details are taken care of by their team. It’s still possible to engage in email marketing. Lots of marketers prefer to skip over the technical aspects while still be able to create lists. So you see, it’s not necessary to allow this to prevent you from being more successful. Have a look at this IMEye page to see what is the latest in keyword research tools.
When you’re looking for a good service provider, be sure you’ll be able to market to multiple email lists. Why does this matter? It matters so you won’t ever be restricted to marketing in one niche. You’ll need the ability to build lists in different markets. But make sure you check with your autoresponder service and see if they have this feature; although the major ones do have it. It may not seem important but it is. You will want to eventually be running lists in different markets. As an example, you may have a list for ‘gardening’ and another for ‘dog training.’ You would not want to get the content crossed and send the wrong info.
Remember, the smart money is always in the list. (So are autoresponders.) It’s important to select a service provider that has reliable delivery and give you what you need.
Further Reading:
Marketing Strategy
Free WordPress Autoresponder