The first is to set up Postfix on your Web server and configure Postfix to relay through Mandrill. The Mandrill folks have an excellent guide on getting this done (it's far more succinct than my ...

Your Web server works great at this point, but it's not reachable from outside your LAN—exposing it to the Internet will require you to do some configuration on your NAT router and/or your LAN's ...

If you've never deployed a website with the Apache web server, you're about to learn how. Every so often, taking a step back and going through the basics is good.