On Fri, 6 Oct 2006, Departamento de Informatica wrote:
Hi, i have a CentOS 4.4 running sendmail, with two network interfaces
(eth0 -> Internet , and eth1 Local Network), from the terminal (SSH) i
do
telnet 127.0.0.1 25
and it connects to sendmail (i think so), but
from another server (external, and so from the same SSH terminal) i
try to connect to the Internet IP
telnet 146.77.220.236 25
Trying 146.77.220.236...
telnet: connect to address 164.77.228.236: Connection refused
telnet: Unable to connect to remote host: Connection refused
so i was thinking "it could be the fu...ing IPTABLES"
from terminal execute
iptables -L| grep smtp
and the result is:
ACCEPT tcp -- anywhere anywhere tcp dpt:smtp
so , if the sendmail service is up, what could be happen??
sendmail by default - for security - doesnt listen on the external
interface.
You need to modify /etc/mail/sendmail.mc to say :-
DAEMON_OPTIONS(`Port=smtp, Address=146.77.220.236, Name=MTA')dnl
as well as the line that says 127.0.0.1 (if you want it listening on
localhost)
Then run 'make' in the /etc/mail directory and restart sendmail.
Regards
Lance
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