OK - with zimbra stopped (zmcontrol stop), netstat -a produced nothing for port 25. Telnetting to port 25 produced no connection. Using 'iptables -L' produced nothing. What should I look for to check NAT rules?
Restarted zimbra & checked again.
netstat -an | grep 25 produced
tcp 0 0 127.0.0.1:10025 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN
tcp6 0 0 :::7025 :::* LISTEN
unix 2 [ ACC ] STREAM LISTENING 112125 public/cleanup
unix 2 [ ] DGRAM 112257
so something is listening on port 25. Telnetted to port 25 (telnet localhost 25) and got the following output:
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 zimbra.wnsc.ac.uk ESMTP Postfix
So, I presume postfix is listening - still showing as stopped on the Admin GUI
--
Mark