Micha? ?omnicki wrote:
Yes, you can do this with a policy server. Some pre-built policy servers can be found here:Is it possible to create sender and recipient restrictions dynamic, where sender and recipient are selected by sql query?
http://www.postfix.org/addon.html#policy Policy server interface documentation: http://www.postfix.org/SMTPD_POLICY_README.html -- Noel Jones