tzoperl is a Perl Client-Daemon for TZO DDNS Services. The service works with dial-up, DSL, Cable Modems, ISDN, and most types of connections that get you connected to the Internet. TZO gives you a domain which will point to your machine to make it easier to run services on your machine. TZO also has a specialized mail store and forward service that will hold all mail for your domain/s if you go offline for a while.