use Mail::Outlook;
my $outlook = new Mail::Outlook();
# create a message for sending
my $message = $outlook->create();
$message->To('you@example.com');
$message->Cc('Them <them@example.com>');
$message->Bcc('Us <us@example.com>; anybody@example.com');
$message->Subject('Blah Blah Blah');
$message->Body('Yadda Yadda Yadda');
$message->Attach(@lots_of_files);
$message->Attach(@more_files);    # attachments are appended
$message->Attach($one_file);      # so multiple calls are allowed
$message->save;