don't disable port 25, its not a good idea.. I think that you could take it off your external interface.. in /etc/postfix/main.cf I think you would look at inet_interfaces but don't do that unless you have your mail client to use your ISP's mail server.. then you can just turn postfix off. service postfix stop
but if you want to use postfix, and you want it to relay mail onto your ISP's mail server. Then go back to main.cf and look for relay_domains = mail.myisp.com That should get you started. rgds Frank -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Ross Pearson Sent: Tuesday, 16 July 2002 11:37 PM To: [EMAIL PROTECTED] Subject: [newbie] Postfix listening on port 25 Thanks to all for the help Re: Network Security. I was feeling confident that I have got things buttoned up fairly securely and so moved onto setting up postfix to forward mail to my IPS's smtp server for delivery. Things are working fine in respect to sending my mail but now I seem to have port 25 open. As I use fetchmail to retrieve my mail from my ISP I can't really see any need for postfix to be listening on this port. So does anyone know how I can go about disabling it. Or maybe its not a big worry and I should just leave it as is. Thanks Ross
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