Can't telnet to port 25 on the host.

Applications Cybersecurity
1

Hi, we have recently setup a new UNIX server with solaris 10 and I am having issue with with SMTP/sendmail.

telnet localhost 25 --- works

telnet hostname.domain.com 25 -- does not work.
# telnet hostname.domain.com 25
Trying 10.122.1.111...
telnet: Unable to connect to remote host: Connection refused

I am a novice to sendmail but running a 'netstat -anf inet | grep 25' does not show port 25 listening on this host as it does on the other servers we have.

Your help needed... thanks!

Addition...

The ping command on the hostname works and below is the host file entry.
::1 localhost
127.0.0.1 localhost
10.122.1.111 hostname.domain.com hostname loghost
10.122.1.182 mailhost

2

Does a netstat -an | grep 25 show that SMTP is bound to all interfaces or just localhost? Cheers,

Keith