#!/usr/bin/perl
use strict;
use warnings;
use Net::FTP;

my $ftp_site     = '9.9.9.9 5000';
my $ftp_dir      = '/Directory2';
my $ftp_get_file = 'that.file';
my $ftp_user     = 'user1@FQDN'; # if 'DOMAIN/user1' and 'DOMAIN\\user1' don't work, perhaps this will
my $ftp_password = 'password321'; # double check your password, maybe it's the problem!

my $ftp = Net::FTP->new($ftp_site)
   or die "Could not connect to $ftp_site: $@";

$ftp->login($ftp_user, $ftp_password)
   or die "Could not login to $ftp_site with user $ftp_user: ", $ftp->message;

$ftp->cwd($ftp_dir)
   or die "Could not change remote working directory to $ftp_dir on $ftp_site: ", $ftp->message;

$ftp->get($ftp_get_file)
   or die "Could not get $ftp_get_file the file is not present in $ftp_dir: ", $ftp->message;

$ftp->quit();