/etc/postfix/virtusertable
kevin@www.claceyplumbing.com    kevin
kevin@claceyplumbing.com    kevin
clacey@www.claceyplumbing.com    clacey
@www.claceyplumbing.com    clacey
clacey@claceyplumbing.com    clacey
@claceyplumbing.com    clacey

/etc/postfix/local-host-names
localhost
www.starfluxsolutions.com
www.claceyplumbing.com
starfluxsolutions.com
claceyplumbing.com

Actual Error Message:
                 The Postfix program

<kevin@mail.starfluxsolutions.com> (expanded from <kevin@claceyplumbing.com>):
   mail for mail.starfluxsolutions.com loops back to myself

Final-Recipient: rfc822; kevin@mail.starfluxsolutions.com
Original-Recipient: rfc822; kevin@claceyplumbing.com
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; mail for mail.starfluxsolutions.com loops back to
   myself