mail port 8025 conundrum

Ken Stevenson ken at allenmyland.com
Fri Feb 17 08:24:27 PST 2006


David Banning wrote:
> I have a strange problem where port 8025 is blocked on my server.
> 
> Trying to connect with telnet, here is the response;
> 
> david$ telnet banning.ca 8025
> Trying 127.0.0.1...
> telnet: connect to address 127.0.0.1: Connection refused
> telnet: Unable to connect to remote host
> 
> Yet I host 6 other domains on the same server, and all the others seems 
> to be fine;
> 
> david$ telnet optexstaging.com 8025
> Trying 209.161.205.12...
> Connected to optexstaging.com.
> Escape character is '^]'.
> 220 3s1.com ESMTP tmda-ofmipd
> quit
> 
> It makes no difference whether I enable the firewall or not.
> Strangely I -can- connect to banning.ca via port 25 or 110;
> 
> david$ telnet banning.ca 25
> Trying 127.0.0.1...
> Connected to banning.ca.
> Escape character is '^]'.
> 220 3s1.com ESMTP Sendmail 8.12.8p1/8.12.8; Fri, 17 Feb 2006 11:06:04 -0500 (EST)
> 
> To my knowledge, there is nothing that stops a connection to a specific
> 
> The only change to my system is that I registered -all- 7 of the domain
> names with a new outside DNS server. It could be that there is some 
> stale DNS going on, but DNS would be the same for all ports, would 
> it not?
> 
> Looking at the erroneous message, I see that banning.ca is being directed
> to 127.0.0.1 - why would that happen? 
> 
It works from the outside world:

ken at abbott2 > telnet optexstaging.com 8025
Trying 209.161.205.12...
Connected to optexstaging.com.
Escape character is '^]'.
220 3s1.com ESMTP tmda-ofmipd
quit
221 Bye
Connection closed by foreign host.

ken at abbott2 > telnet banning.ca 8025
Trying 209.161.205.12...
Connected to banning.ca.
Escape character is '^]'.
220 3s1.com ESMTP tmda-ofmipd
quit
221 Bye
Connection closed by foreign host.

-- 
Ken Stevenson
Allen-Myland Inc.


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