스팸 발신지로 사용되고 있는거 같은데 어떻해야 하나요

sendmail 8.11.6 버전을 사용 중입니다

sendmail 구동시키고 ps -ef | grep sendmail로 확인을 하면

root     23745     1  0 11:47 ?        00:00:00 sendmail: accepting connections
root     23746 23745  0 11:47 ?        00:00:00 sendmail: running queue: /var/sp
root     23758     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mOs23755 mx2.url
root     23768     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mUs23765 pximss0
root     23785     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mZs23773 mail.tt
root     23788     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mds23779 mx4.mai
root     23795     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mls23789 ms24.pc
root     23797     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mZs23772 mx3.mai
root     23803     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mhs23783 webmail
root     23809     1  0 11:48 ?        00:00:00 sendmail: ./j3S2mss23801 ms35a.h
root     23813     1  0 11:49 ?        00:00:00 sendmail: ./j3S2mvs23807 mx2.url
root     23820     1  0 11:49 ?        00:00:00 sendmail: ./j3S2mss23800 mx4.mai
root     23822     1  0 11:49 ?        00:00:00 sendmail: ./j3S2n3s23815 mx1.url
root     23827     1  0 11:49 ?        00:00:00 sendmail: ./j3S2n7s23825 mx4.mai
root     23831     1  0 11:49 ?        00:00:00 sendmail: ./j3S2n6s23823 mx4.mai
root     23835     1  0 11:49 ?        00:00:00 sendmail: ./j3S2nJs23832 mx.seed
root     23836 23745  0 11:49 ?        00:00:00 sendmail: server 219-81-155-248.
root     23837 23745  0 11:49 ?        00:00:00 sendmail: server c-66-177-100-11
root     23838 23837  0 11:49 ?        00:00:00 sendmail: server c-66-177-100-11
root     23839 23836  1 11:49 ?        00:00:00 sendmail: server 219-81-155-248.
root     23840 23745  0 11:49 ?        00:00:00 sendmail: server Dynamic-IP-cr20
root     23841 23745  0 11:49 ?        00:00:00 sendmail: startup with 202.30.14
root     23843 23620  0 11:49 pts/0    00:00:00 grep sendmail
이와 같이 뜨는데 스팸 경유지로 사용되고 있는건가요...?

그렇다면 해결은 어찌해야 하나요?

질문 추가요 스팸 발송이 거부된 것도 root로 반송되나요?