### Create the multipart container
$msg = MIME::Lite->new (
  From => $from_address,
  To => $to_address,
  Cc => $to_cc,
  Subject => $subject,
  Type =>'multipart/mixed'
) or die "Error creating multipart container: $!\n";

### Add the text message part
$msg->attach (
  Type => 'TEXT',
  Data => $message_body
) or die "Error adding the text message part: $!\n";

### Add the xls file
$msg->attach (
   Type => 'application/xls',
   Path => $my_file_xls,
   Filename => $your_file_xls,
   Disposition => 'attachment'
) or die "Error adding $file: $!\n";


### Send the Message
MIME::Lite->send('smtp', $mail_host, Timeout=>60);
$msg->send;
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