Dear Pak Syafril,

Mohon bantuannya pak mengenai log dibawah ini :

Thu 2013-05-30 21:11:11: ----------
Thu 2013-05-30 21:11:21: Session 3863; child 1; thread 0
Thu 2013-05-30 21:11:21: Accepting SMTP connection from
[203.249.127.239:59016] to [192.168.1.3:25]
Thu 2013-05-30 21:11:21: --> 220 mail.eria.org ESMTP MDaemon 11.0.3; Thu, 30
May 2013 21:11:21 +0700
Thu 2013-05-30 21:11:21: <-- EHLO spam.gachon.ac.kr
Thu 2013-05-30 21:11:21: --> 250-mail.eria.org Hello spam.gachon.ac.kr,
pleased to meet you
Thu 2013-05-30 21:11:21: --> 250-ETRN
Thu 2013-05-30 21:11:21: --> 250-AUTH=LOGIN
Thu 2013-05-30 21:11:21: --> 250-AUTH LOGIN CRAM-MD5
Thu 2013-05-30 21:11:21: --> 250-8BITMIME
Thu 2013-05-30 21:11:21: --> 250 SIZE
Thu 2013-05-30 21:11:21: <-- MAIL FROM: <[email protected]>
Thu 2013-05-30 21:11:21: Performing PTR lookup
(239.127.249.203.IN-ADDR.ARPA)
Thu 2013-05-30 21:11:31: *  DNS: 10 second wait for DNS response exceeded 
Thu 2013-05-30 21:11:32: *  D=239.127.249.203.IN-ADDR.ARPA TTL=(60)
PTR=[spam.gachon.ac.kr]
Thu 2013-05-30 21:11:32: *  Gathering A records...
Thu 2013-05-30 21:11:42: *  DNS: 10 second wait for DNS response exceeded 
Thu 2013-05-30 21:11:42: *  D=spam.gachon.ac.kr TTL=(30) A=[203.249.127.239]
Thu 2013-05-30 21:11:42: ---- End PTR results
Thu 2013-05-30 21:11:42: Performing IP lookup (spam.gachon.ac.kr)
Thu 2013-05-30 21:11:52: *  DNS: 10 second wait for DNS response exceeded 
Thu 2013-05-30 21:11:52: *  D=spam.gachon.ac.kr TTL=(29) A=[203.249.127.239]
Thu 2013-05-30 21:11:52: ---- End IP lookup results
Thu 2013-05-30 21:11:52: Performing IP lookup (gachon.ac.kr)
Thu 2013-05-30 21:12:02: *  DNS: 10 second wait for DNS response exceeded 
Thu 2013-05-30 21:12:02: *  D=gachon.ac.kr TTL=(30) A=[203.249.127.223]
Thu 2013-05-30 21:12:12: *  DNS: 10 second wait for DNS response exceeded 
Thu 2013-05-30 21:12:12: *  P=010 S=000 D=gachon.ac.kr TTL=(30)
MX=[spam.gachon.ac.kr] {203.249.127.239}
Thu 2013-05-30 21:12:12: *  P=020 S=001 D=gachon.ac.kr TTL=(30)
MX=[gcmail.gachon.ac.kr] {203.249.127.238}
Thu 2013-05-30 21:12:12: ---- End IP lookup results
Thu 2013-05-30 21:12:12: --> 250 <[email protected]>, Sender ok
Thu 2013-05-30 21:12:12: Connection closed
Thu 2013-05-30 21:12:12: SMTP session terminated (Bytes in/out: 58/250)
Thu 2013-05-30 21:12:12: ----------

Apakah email diterima atau tidak? Pengirim selalu dapat bounce back dari
email tersebut.
Menurut pengirim, email tersebut tidak diterima oleh penerima yang
dikonfirmasi melalui email lain.
Apakah timeouts dari DNS terlalu singkat untuk connectnya?

Thanks and Regards,
Jamaludin

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