sendmail 데몬이 여러개 뜨워져여

root     24019     1  0 11:39 ?        00:00:00 sendmail: accepting connections
root     24020 24019  0 11:39 ?        00:00:03 sendmail: ./k9FC5l5I022747 mx2.mail.tw.yahoo.com.: user open
smmsp    24027     1  0 11:40 ?        00:00:00 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
dovecot  26063  5562  0 12:30 ?        00:00:00 pop3-login
root     26116 24019  0 12:33 ?        00:00:00 sendmail: server [196.32.204.96] cmd read
root     26320 24019  0 12:39 ?        00:00:03 sendmail: ./k9FGTwie029297 mx4.hotmail.com.: user open
root     26638 24019  0 12:46 ?        00:00:00 sendmail: server [202.142.145.15] cmd read
root     26648 24019  0 12:46 ?        00:00:00 sendmail: server virtua-cwbas128-103.ctb.virtua.com.br [201.21.173.103] (may be forg
root     26848 17579  0 12:52 pts/1    00:00:02 vi /var/log/maillog
dovecot  26857  5562  0 12:53 ?        00:00:00 pop3-login
dovecot  27014  5562  0 12:56 ?        00:00:00 pop3-login
root     27031 24019  0 12:57 ?        00:00:00 sendmail: server h-66-166-112-27.hstqtx02.covad.net [66.166.112.27] cmd read
root     27048 24019  0 12:58 ?        00:00:00 sendmail: server 6.108.184.220.broad.hz.zj.dynamic.cndata.com [220.184.108.6] cmd re
root     27050 24019  0 12:58 ?        00:00:00 sendmail: server [218.199.109.211] cmd read
root     27053 24019  0 12:58 ?        00:00:00 sendmail: server grbrasil66.gvt.net.br [200.175.203.66] (may be forged) cmd read

위에 로그처럼 sendmail 데몬이 여러개 나오는군여

open relay는 아니고 인증방식으로 해서 쓰고 있는데

저러네요 해결방법이 있는지요