Qmail등을 셋팅을 완료했습니다.
 정상적으로 보내기 , 받기 다 잘 됩니다.
 하지만 ps로 프로세스를 보니
 22292 pts/1    00:00:00 svscan
22293 pts/1    00:00:00 supervise
22294 pts/1    00:00:00 supervise
22295 pts/1    00:00:00 qmail-send
22296 pts/1    00:00:00 supervise
22297 pts/1    00:00:00 supervise
22298 pts/1    00:00:02 supervise
22299 pts/1    00:00:00 supervise
22300 pts/1    00:00:00 multilog
22301 pts/1    00:00:00 tcpserver
22302 pts/1    00:00:00 multilog
22304 pts/1    00:00:00 multilog
22307 pts/1    00:00:00 qmail-lspawn
22308 pts/1    00:00:00 qmail-rspawn
22309 pts/1    00:00:00 qmail-clean
28261 pts/1    00:00:00 tcpserver <defunct>
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tcpserver <defunct> <- 이게 마음에 걸리네요..
 무슨 문제가 있는건 아닌지요?