[CentOS] Sending Email Via Telnet

Am 16.10.2012 20:13, schrieb Les Mikesell:
>> > ]# netstat -pant|grep ":25"|grep LISTEN
>> > tcp        0      0 209.216.9.56:25             0.0.0.0:*                   LISTEN      14058/master
>> > tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      14058/master
> Something is clearly going wrong.   Try 'strace -p 14058' (the process
> currently listening) in one window while you telnet in another.

Before tracing anything (processes or network traffic) the OP should
check the maillog. It for sure will the the truth about what is going on.

Alexander