On 5/18/2017 1:32 PM, Marek Kozlowski wrote: > :-) > > mydomain = mini.pw.edu.pl > mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain, > mail.$mydomain, www.$mydomain, ftp.$mydomain > relay_domains = $mydestination > > I'm wondering why after telnet connection to port 25 the host accepts > any `RCPT TO:' addresses ending with `mini.pw.edu.pl' (for example: > `s...@1.2.3.4.5.mini.pw.edu.pl') and then tries to forward it. I thought > that only those explicitly listed above would be accepted. Which > parameter may be missing / responsible for it? How can I debug or change it? >
Please see the documentation for relay_domains and address classes. You probably should set relay_domains explicitly empty. http://www.postfix.org/postconf.5.html#relay_domains http://www.postfix.org/postconf.5.html#parent_domain_matches_subdomains http://www.postfix.org/ADDRESS_CLASS_README.html -- Noel Jones
