use strict;
use warnings;
use Win32::OLE;
use Win32::OLE::Const 'Microsoft Outlook';
use Mail::Outlook;

  my $outlook = new Mail::Outlook();
  my $folder = $outlook->folder('Drafts');
  my $message = $outlook->create();

  my %hash = (
     To      => 'user@mail.com',
     Subject => 'Blah Blah Blah',
     Body    => 'Yadda Yadda Yadda',
  );

    $message->save();