tcpserver: fatal: unable to bind: address already used
A problem arised one day, I cannot see my smtp server! Checked on the error of qmail and checked the net for a fix Problem tcpserver: fatal: unable to bind: address already used tcpserver: fatal: unable to bind: address already used another process is using port 25 netstat -anp |grep LIST service exim stop then used this command so that it wont run again mv /usr/sbin/exim /usr/sbin/exim.old