I am trying to test/set up my mail server. I am currently running into an issue when trying to telnet into my server on port 25.
Here is netstat output for port 25
# netstat -plnt | grep :25
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 30750/sendmail: acc
Here is the output of
I can telnet on the loopback but not from any other computers on the network. When I try from another computer I get failed connections. Also the mail server won't receive any email.
However, if I bring down
iptables, I can telnet in with no problems and my mail server begins to receive mail.
So is there an error in my