>>>> I run postfix and my mail clients use smtps so I was thinking I may as >>>> well close port 25. How can I do that? >>> >>> See the description of the "Service type": inet >>> >>> http://www.postfix.org/master.5.html >> >> Thanks Viktor. I commented the following in master.cf: >> >> smtp inet n - n - - smtpd >> >> and restarted postfix and port 25 is closed. >> > > > This is ok for an "outbound" only server (only your users can use it send > mail). > > if you also need "inbound" mail (external users to send to your server), > then you must keep port 25 open.
Thank you. I do need to receive mail on the server too so I'll keep port 25 open. - Grant
