Hello. I have Ispconfig 2 Server. I want to block some domains. For example: I want to block send and recive any mail from this domain: @example.com. I have blocked recieving by adding smtpd_sender_restrictions = regexp:/etc/postfix/access line in /etc/postfix/main.cf file and "access" file, but cann't achieve block send. How can i do it? Rgds mixo.