릴레이가 열려있는거 같네요....
http://www.whchang.com/netprg/is-relay.pl 위 사이트에서 릴레이허용 여부를 검사해보세요
관련자료도 위사이트에 있습니다.
 : 다음과 같은 문제입니다.
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: ps aux를 실행시켜보니 오늘따라 눈에 않띄던게 보이더군여..
: 실행되고 있는 프로세스중에 평소라면
: sendmail : accepti
: 라고 만 떠 있었는데
: sendmail : ./f6dbi
: 라는게 떠 있더라구여 그래서 그냥 누가 메일사용하나 하고 넘어갔는데
: 한시간쯤 후에 다시 ps aux를 해보니까
: sendmail : ./f6dbu
: sendmail : ./f6dbz
: sendmail : ./f6dca
: 이런게 계속 떠 있더라구여..
: 그래서 혹시 우리서버로 스팸메일 날리고 있나 하고 생각은
: 했었는데 제가 잘 모르는 관계로 넘어갔다가
: 저녁때 서버관리자 메일을 확인했더니 다시되돌아온 메일이
: 정확히 268개가 있더군여.. 그래서 부랴부랴
: 메일 로그를 확인했더니
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: Jul 13 20:49:34 www01 sendmail[8283]: f6D5vck01779: to=<matthews at mailbreak.com>,
: delay=05:03:46, xdelay=00:00:00, mailer=esmtp, pri=214933, relay=mail.mailbreak
: .com., dsn=4.0.0, stat=Deferred: Connection timed out with mail.mailbreak.com.
: Jul 13 20:49:39 www01 sendmail[8283]: f6D7Sl601809: to=, delay=04:20:52, xdelay=00:00:05, mailer=esmtp, pri=215216, re
: lay=smtp.mail andnews.com. [199.29.68.111], dsn=4.3.0, stat=Deferred: 451 ... Re
: cipient mailbox message receive quota exceeded
: Jul 13 20:49:55 www01 sendmail[8283]: f6D7qb602714: to=<mountains at MailOps.com>,
: delay=03:57:18, xdelay=00:00:16, mailer=esmtp, pri=215230, relay=mail.mailops.co
: m. [208.243.164.40], dsn=2.0.0, stat=Sent (Message queued)
: Jul 13 20:50:00 www01 sendmail[8283]: f6D6KF102453: to=, delay=05:29:45, xdelay=00:00:05, mailer=esmtp, pri=215235, re
: lay=smtp.mail andnews.com. [199.29.68.111], dsn=4.3.0, stat=Deferred: 451 ... Re
: cipient mailbox message receive quota exceeded
: Jul 13 20:50:01 www01 sendmail[8283]: f6D6G7102299: to=<flower21 at mailtag.com>, d
: elay=05:33:54, xdelay=00:00:00, mailer=esmtp, pri=215238, relay=mailtag.com., ds
: n=4.0.0, stat=Deferred: Connection refused by mailtag.com.
: Jul 13 20:50:01 www01 sendmail[8283]: f6D6va104459: to=<flower21 at mailtag.com>, d
: elay=04:52:25, xdelay=00:00:00, mailer=esmtp, pri=215241, relay=mailtag.com., ds
: n=4.0.0, stat=Deferred: Connection refused by mailtag.com.
: Jul 13 20:50:01 www01 sendmail[8283]: f6D6w6104548: to=<flower21 at mailtag.com>, d
: elay=04:51:55, xdelay=00:00:00, mailer=esmtp, pri=215243, relay=mailtag.com., ds
: n=4.0.0, stat=Deferred: Connection refused by mailtag.com.
: Jul 13 20:50:46 www01 sendmail[8660]: f6DBoJ608660: from=, size=0, class=0, nrcpts=2, proto=SMTP, daemon=MTA, relay=1C
: ust87.tnt3.de t3.da.uu.net [63.27.44.87]
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