At 05:51 30-10-2008, Luis Hernán Otegui wrote:
Just to check, you know you should run a RBL check in Postfix BEFORE it accepts te message, do you? This reduces dramatically the number of messages your server has to scan. And improves the performance a lot.
You should not run RBL checks on outbound mail where the customer is relaying through your mail server.
Regards,-sm