#!/usr/bin/perl

use warnings;
use strict;

use Mail::Box::Manager; # paquet libmail-box-perl

my $mailspool = "/var/spool/mail/catch-all";
my $mgr    = Mail::Box::Manager->new;
my $folder = $mgr->open(folder => $mailspool,
                        remove_when_empty => 0,)
                    or die ("Erreur d'ouverture de $mailspool :\n $!\n");
foreach my $msg ($folder->messages) { # all messages
   my $xoriginalto = $msg->study('X-Original-To');
   # bounce $msg
   #my $bounce = $msg->bounce(To => $xoriginalto);
   #$bounce->send;
}
$folder->close();
$mgr->closeAllFolders;