title: Send mail with file attachment
body: <p>I search solution to send a mail with attachment.
  I have this code but the file is not attached...</p>
  
  <pre><code>if let url = URL(string: "mailto:\(email)?subject=report&amp;body=see_attachment&amp;attachment=/Users/myname/Desktop/report.txt") {
      NSWorkspace.shared().open(url)
  }
  </code></pre>
  
  <p>I have see it maybe work with MessageUI, but I can't import this framework I don't know why. I get this error message : No such module 'MessageUI'
  I checked in General > Linked Frameworks and Libraries, but there are not MessageUI...</p>
  
  <p>Anyone have a solution to add file in mail?
  Thanks</p>