disable relay in postfix
 

Dear all, How can i disable open relay in postfix. I 've configured the main.cf to disable relay with setting relay_domains = test.com try.org. But the relay is still open. Please help me inorder to disable the relay

FYI the mail server is not hosting the mailbox, it just used for relay the mail from outside to my back end mail server

sorry i misread your post and understood something else