title: SmtpClient.Send attachment maximum size
body: <p>I am trying to send attachment mails in asp.net pages using <code>SmtpClient.Send()</code> method.
  It is working fine with 2mb files. When i tried with 7mb attachment file, it is saying:</p>
  
  <blockquote>
    <p>Failure sending mail.</p>
  </blockquote>
  
  <p>What is the max size for sending mail using <code>SmtpClient.Send(message)</code> method.
  Why the above error coming.....?</p>