For complex access controls, use either smtpd_restriction_classes or a policy service such as postfwd.
http://www.postfix.org/RESTRICTION_CLASS_README.html http://www.postfix.org/SMTPD_POLICY_README.html http://postfwd.org/ -- Noel Jones great, I got what I want by implementing this: http://www.postfix.org/RESTRICTION_CLASS_README.html#internal thanks. Bonar
