title: How to send Email from windows application in c#?
body: <p>I am working MS C# 2008. I created Windows form application. And I need to send email from my application. so how do I configure smtp settings?</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>I got The following Exception</p>
  
  <p>The SMTP server requires a secure connection or the client was not authenticated. The 
  server response was: 5.5.1 Authentication Required. Learn more at</p>
  
  <p>on smtp.send(message);</p>
  
  <p>I have not installed IIS so is it required for desktop app?</p>