> >I have not much modifications from standard configuration in etc.tgz set.
> >I have no /etc/hosts.deny file, I have not configured any firewall.
> >I have almost unmodified sendmail.cf.
> >Connection between machines is via Wi-Fi access point D-Link 2000AP+.
> >Also there is configured ipsec, but I tried to disable ipsec and
> >I still cannot telnet to port 25 from other machine.  But I can
> >telnet to port 23 for example, or ssh.
> 
> What does "netstat -a | grep smtp" show?

# netstat -a | grep smtp
tcp        0      0  localhost.smtp         *.*                    LISTEN
tcp6       0      0  localhost.smtp         *.*                    LISTEN