Hi Wietse, Thanks for your help.
> You forgot to send it back into Postfix. Would you please tell me how to send it back to POSTFIX ? > BTW what is that "action=PERMIT" stuff? There is no such feature > with Postfix filters. Are you confusing SMTPD_POLICY_README and > FILTER_README? Yes, I tried to use same syntax of "check_policy_service" but had no success. Thanks a lot. BR, Rafael