#!/usr/bin/perl

use strict;
use warnings;
use Mail::POP3Client;
use MIME::Parser;

my $pop = new Mail::POP3Client(
                 USER     => 'login',
                 PASSWORD => 'password',
                 HOST     => 'server',
	         USESSL   => 1
);

my $fh = new IO::Handle();
my $parser = new MIME::Parser;

for (my $i = 1; $i <= $pop->Count(); $i++) {
   open (OUT, ">msg-$i.msg");
   $fh->fdopen( fileno(OUT), "w" );
   $pop->HeadAndBodyToFile( $fh, $i );
   close OUT;
   my $entity = $parser->parse_open("msg-$i.msg");
}

$pop->close();