"In marketing, it can seem like there’s always some new and exciting
tactic that you should be using. It can feel hard to keep up. But here’s the
reality: there’s no such thing as the one, silver-bullet marketing tactic that will
make you an overnight success."
~ AWeber
AWeber allows you to collect emails from your websites, send informational or promotions emails to your customers or email subscribers, you can do automation by setting rules. You can do it very easily using the AWeber WordPress plugin and then integrating them with your AWeber account.
Btw, if you want to skip and go straight to watch the video where I explain all the benefits of the AWeber Free plan click >>here<<.