When i send mail now from my local clients in the 10.17.113.* addresses i get: Nov 3 13:35:36 unix nss_wins[11201]: NOQUEUE: reject: RCPT from unknown[10.17.113.45]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<frank> How do i tell the system its ok to send email from the local machines. or do i need to tell the client to send authorized?