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October 2, 2006, 12:49 am
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Is it possible to find out what port smtp is using. I know that
usually it's 25 but one of my servers is using 50. The problem is that
I've tried both 25 and 50 on a different server and I can't get smtp
to work. I checked the server owner and he said 24. I have setup smtp
several times in the past and it works fine. Is there a .php file or
something that I can to show me the port?
Re: SMTP Port
netstat will show you which ports are listening from within a server.
telnet will assist from outside the server if you think you know which
port to address.
have you looked at nmap?