> I haven't done anything explicit to do with firewalling on the phoenix > server.
You've probably got port 25 set to being refused, then. Have a look at /etc/sysconfig/iptables. Vic. -- Please post to: Hampshire@mailman.lug.org.uk Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire LUG URL: http://www.hantslug.org.uk --------------------------------------------------------------