Q: Why doesn't Debathena work correctly behind a NAT device or home router?

Answer

Kerberos 4 services do not work behind a NAT device, such as a home router and certain cable and DSL modems. When you are using a Debathena machine behind a NAT device, you will not be able to use zephyr, nor will you be able to use Kerberos to authenticate to the mail server, which is used by from, mailusage, and mailquota.