title: How do you stop IIS SMTP Server from sending bounce emails?
body: <p>How do you stop the "Default SMTP Virtual Server" from sending bounce messages for email addresses that you don't have?</p>
  
  <p>i.e. I'm using IIS' SMTP server to handle my email and if an email is sent unknown at mydomain.com a bounce email with 'address not known' (or something like that) is sent back to the sender. I want it to silently fail.</p>