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센드메일에서 자꾸 이상한 메일이 리턴됩니다.

peterp4n의 이미지
글쓴이: peterp4n / 작성시간: 화, 2004/06/29 - 5:03오후

하루에 몇 천통 이상이 리턴이 됩니다.
아래는 메시지 내용입니다.
로그도 몇 십메가씩 남습니다.
어떻게 해결 해야 될까요?
아이피와 도메인명은 도메인으로 수정했습니다.

메일서버 :sendmail-8.11.6-27.73
운영체제 : 리눅스 레드헷 7.3

Date: Fri, 25 Jun 2004 11:26:33 +0900
From: Mail Delivery Subsystem <MAILER-DAEMON@도메인>
To: postmaster@도메인
Subject: Postmaster notify: see transcript for details
Parts/Attachments:
1 Shown 10 lines Text
2 Shown 330 bytes Message, "Delivery Status"
3 Shown 10 KB Message, "Returned mail: see transcript for
details"
3.1 Shown 30 lines Text
3.2 Shown 4.3 KB Message, "Delivery Status"
3.3 Shown 2.7 KB Message, "조루,왜소증,남성 7센티 확대해서
komaya2000 해결하새
여,동영상강좌"
3.3.1 Shown ~1.4 KB Text
----------------------------------------

The original message was received at Fri, 25 Jun 2004 11:26:32 +0900
from localhost
with id i5P2QWA12016

----- The following addresses had permanent fatal errors -----
<francis@도메인>
(reason: 550 Host unknown)

----- Transcript of session follows -----
550 5.1.2 <francis@도메인>... Host unknown (Name server: 도메인: host
not found)

[ Part 2: "Delivery Status" ]

Reporting-MTA: dns; 도메인
Received-From-MTA: DNS; [221.3.110.96]
Arrival-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; francis@도메인
Action: failed
Status: 5.1.2
Remote-MTA: DNS; 도메인
Diagnostic-Code: SMTP; 550 Host unknown
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:33 +0900

[ Part 3: "Included Message" ]

Date: Fri, 25 Jun 2004 11:26:32 +0900
From: Mail Delivery Subsystem <MAILER-DAEMON>
To: francis@도메인Subject: Returned mail: see transcript for details

The original message was received at Fri, 25 Jun 2004 11:26:27 +0900
from [221.3.110.96]

----- The following addresses had permanent fatal errors -----
<komaya2000 at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<wjk2266 at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<kwjppp at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<genius_killer at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<wjkiller at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<wj-family at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<kimwoo-jung at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<gimwoojung at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<kwoojoong at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)
<sksdnwnd at daum.net>
(reason: 550 5.7.1 <francis@도메인>... Sorry,access denied(도메
인).Your mail server sent
too ...mail relay.If
you are not the system administrator,inform this message to your system
administrator.)

----- Transcript of session follows -----... while talking to
mx7.hanmail.net.:
>>> MAIL From:<francis@도메인> SIZE=2458 BODY=8BITMIME
<<< 550 5.7.1 <francis@도메인>... Sorry,access denied(도메인).Your mail
server sent too many
e-mails to
us(1202).Spammer may abuse your mail server for mail relay.If you are
not the system
administrator,inform this message to your
system administrator.
554 5.0.0 Service unavailable

[ Part 3.2: "Delivery Status" ]

Reporting-MTA: dns; 도메인
Received-From-MTA: DNS; [221.3.110.96]
Arrival-Date: Fri, 25 Jun 2004 11:26:27 +0900

Final-Recipient: RFC822; komaya2000 at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; wjk2266 at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; kwjppp at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; genius_killer at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; wjkiller at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; wj-family at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; kimwoo-jung at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; gimwoojung at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; kwoojoong at daum.net
Action: failed
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

Final-Recipient: RFC822; sksdnwnd at daum.net
Action: failed
Status: 5.7.1
Diagnostic-Code: SMTP; 550 5.7.1 <francis@도메인>... Sorry,access denied
(도메인).Your mail
server sent too many
e-mails to us(1202).Spammer may abuse your mail server for mail relay.If
you are not the
system administrator,inform this message
to your system administrator.
Last-Attempt-Date: Fri, 25 Jun 2004 11:26:32 +0900

[ Part 3.3: "Included Message" ]

Date: Fri, 25 Jun 04 10:29:34 중국 표준시
From: happkomaya2000 <happkomaya2000 at aol.com>
To: komaya2000 <komaya2000 at daum.net>
Subject: 조루,왜소증,남성 7센티 확대해서 komaya2000 해결하새여,동영상강
좌

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Forums: 
설치 및 활용 QnA
codebank의 이미지

글쓴이: codebank / 작성시간: 화, 2004/06/29 - 6:10오후

보내지 않은 이상한 메일이 리턴되어온다면 relay때문인지 의심이 가능군요.
sendmail 8.8이상에서는 스펨이나 릴레이에 관련되어서 기본으로 막혀있다고는
하지만 아직문제가 있나보군요.
일단 최신 sendmail을 받아서 설치하실 것을 권해드립니다.
기존의 sendmail을 이용하기에는 버퍼플로우 문제나 몇가지 보안문제도 걸릴 것
같아서...
http://www.sendmail.org/
위 사이트에서 확인을 해보시고 업그레이드를 생각해보시기 바랍니다.
RELEASE_NOTES도 꼭 한번 읽어보세요. :)

------------------------------
좋은 하루 되세요.

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