> Date: Tue, 16 Oct 2012 20:41:10 +0200 > From: ad+lists at uni-x.org > To: centos at centos.org > Subject: Re: [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. Nothing prints. > 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. Here's some of the printout from that log: Oct 16 10:36:19 mydomain postfix/master[14058]: warning: process /usr/libexec/postfix/proxymap pid 1438 exit status 1 Oct 16 10:36:19 mydomain postfix/master[14058]: warning: /usr/libexec/postfix/proxymap: bad command startup -- throttling Oct 16 10:36:19 mydomain postfix/smtpd[26426]: warning: premature end-of-input on private/proxymap socket while reading input attribute name Oct 16 10:36:19 mydomain postfix/smtpd[26426]: warning: private/proxymap socket: service dict_proxy_open: Success Oct 16 10:36:19 mydomain postfix/master[14058]: warning: process /usr/libexec/postfix/proxymap pid 1439 exit status 1 Oct 16 10:36:19 mydomain postfix/cleanup[14062]: warning: premature end-of-input on private/proxymap socket while reading input attribute name Oct 16 10:36:19 mydomain postfix/cleanup[14062]: warning: private/proxymap socket: service dict_proxy_open: Connection reset by peer TIA, John