Today I will be showing various steps to show your web site over the Internet and sending email from the website.
In order to reach your website from somewhere using a browser you will need to few steps.
First go to the computer where you will hosting the server and cmd window and type the command: ipconfig and copy the ip address of the computer.
Then go to Google and find out the ip address of your site by typing what is my ip in the search box.
Then go to the base of you router, usually it is either 192.168.0.1 or 192.168.1.1 then login and go to the advanced tab and forward your alpha port to that local ip address.
if you need to adjust the firewall then allow the alphawas to be a permitted program.
Then test it you should be able to reach your website from outside.

Sending email from your website:

First setup the email in Project properties, then setup Email in the view, setting, email.  Test to see the test email shows success.  If succeeded then you can create a dialog and send the email from your web site.

Please see all of the following screencasts showing the above.

Port Forwarding:
http://screencast.com/t/cU5nUuuZc
Path Alias:
http://screencast.com/t/AuJnBUyeRi6
Reaching from outside:
http://screencast.com/t/13X1mOBgvh6
Sending Email Part1, setting up profile and account settings:
http://screencast.com/t/UC8TWAYFs
Dialog and sending the email:
http://screencast.com/t/ack8hhLbIc
Sending Email from website:
http://screencast.com/t/8rTrYeUTw0v