I built a web site with ASP.NET MVC
and use email verification on account registration. But I found email verification cannot stop spam accounts.
There are still lots of registered and confirmed account that are spam accounts.
Can these spam programs automatically go to confirm account with the link from email?
Try this example -
This is very basic tutorial explained how to create database and proper activation code.
http://www.9lessons.info/2013/11/php-email-verification-script.html