title: Perl sending emails with attachment using net::smtp
body: <p>I have a problem! I am sending Mails with net smtp but I can not send attachments. I need to send attachments! 
  I have these two lines but it does not work. </p>
  
  <pre><code>$NET_SMTP_MODUL-&gt;datasend("Content-Disposition: attachment; filename=". $MAILPARAM_ATTACHMENT ."\n");
  $NET_SMTP_MODUL-&gt;datasend("Content-Type: application/text; name=Attachment.txt");
  </code></pre>