.. just skip it if you are no *NIX user..
here is a short trick for dial-up-ers that wanna get their mail as fast as possible and want all their mails to go to the right folder on their home systems:
- log on your mail server account.
- bzip2 your inbox
- scp bzip2ed inbox to home system
- bunzip inbox
- use the filter below to throw each mail to the desired folder based on your .procmailrc rules

use strict;
use Mail::Util ();

defined $ARGV[0] && -f $ARGV[0] or die 'invalid inbox.';

foreach (Mail::Util::read_mbox($ARGV[0])) {
    open(PIPE, "|procmail -m $ENV{HOME}/.procmailrc")
             or die ("cannot start filtering : $!");
    map {print PIPE} @$_;
    close(PIPE);
}
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