title: Send email with attachment in C++
body: <p>I am working on a project in C++, which includes a feature of sending information to someone as 'email attachment'.</p>
  
  <p>Everything is done except this 'email' thing. I do not know how to make this program able to send an email <strong>without using any email client or opening a browser</strong>. I have searched a lot over the internet but could not find any working thing (I do not have any knowledge of <code>socket</code>, <code>Winsock</code>, etc).</p>