That's one problem. Only N0TZU can read a message directed to N0TZU while in enhanced mode. The recipient signs up for an account, but they bust people stealing calls all the time. Here on QRZ, you're the only guy who can use N0TZU, but on their system, someone could steal your call if you're not already signed up. As far as I know, an existing acct can't be spoofed, but you have to renew on a timely basis, and if you forget... The Sys Admins can see and store messages, but that doesn't satisfy FCC rules, as far as I can tell.