Jaroslaw Grzabel wrote: > Ralf Hildebrandt wrote: > >> Use an access(5) map on the client: >> >> check_client_access hash:/etc/postfix/nice_reject >> >> with: >> >> unknown 550 5.1.2 Your reverse DNS entries are off >> And also, are you sure that unknown is OK ? I can see in logs that I've got number of connections from unknown[IP_ADDRESS] but when I do nslookup IP_ADDRESS they have PTR. So I don't want to reject them.
Regards, Jarek
