On 2010-08-31 Cimoni Enwis Ogwujiakwu wrote:
> I am having problem send mails from a client(not on a segment local to
> postfix server) connected to a postfix server on port 25.
> I tried telnetting the post fix server on telnet 192.168.20.19 25 and
> I get the following 
> Could not open connection to the host, on port 25: Connect failed

If the IP address of the server hasn't changed and Postfix is still
listening on port 25/tcp (check with ipconfig and netstat on the Postfix
server), then something between your client and the Postfix server is
blocking connections to the Postfix server. tcptraceroute may help
narrowing down that something.

Regards
Ansgar Wiechers
-- 
"Abstractions save us time working, but they don't save us time learning."
--Joel Spolsky

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