Dear Pak Syafril,

Mohon bantuannya,
Akhir-akhir ini client kami lumayan banyak yang mendapatkan DSN Failure seperti log terlampir?

Mon 2016-06-20 09:09:32: ----------
Mon 2016-06-20 09:09:27: Session 200578; child 4
Mon 2016-06-20 09:09:27: Accepting SMTP connection from [219.83.54.104:34545] to [124.81.84.135:25] Mon 2016-06-20 09:09:27: --> 220 mail.persada.id ESMTP MDaemon 13.0.5; Mon, 20 Jun 2016 09:09:27 +0700
Mon 2016-06-20 09:09:27: <-- EHLO avas10empat.indosat.net.id
Mon 2016-06-20 09:09:27: --> 250-mail.persada.id Hello avas10empat.indosat.net.id, pleased to meet you
Mon 2016-06-20 09:09:27: --> 250-ETRN
Mon 2016-06-20 09:09:27: --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Mon 2016-06-20 09:09:27: --> 250-8BITMIME
Mon 2016-06-20 09:09:27: --> 250 SIZE
Mon 2016-06-20 09:09:27: <-- MAIL FROM:<[email protected]> SIZE=527879
Mon 2016-06-20 09:09:27: Performing PTR lookup (104.54.83.219.IN-ADDR.ARPA)
Mon 2016-06-20 09:09:27: * D=104.54.83.219.IN-ADDR.ARPA TTL=(60) PTR=[avas10empat.indosat.net.id]
Mon 2016-06-20 09:09:27: *  Gathering A records...
Mon 2016-06-20 09:09:27: * D=avas10empat.indosat.net.id TTL=(60) A=[219.83.54.104]
Mon 2016-06-20 09:09:27: ---- End PTR results
Mon 2016-06-20 09:09:27: Performing IP lookup (avas10empat.indosat.net.id)
Mon 2016-06-20 09:09:27: * D=avas10empat.indosat.net.id TTL=(60) A=[219.83.54.104]
Mon 2016-06-20 09:09:27: ---- End IP lookup results
Mon 2016-06-20 09:09:27: --> 530 Authentication required to send mail from 219.83.54.104
Mon 2016-06-20 09:09:27: <-- RSET
Mon 2016-06-20 09:09:27: --> 250 RSET? Well, ok.
Mon 2016-06-20 09:09:27: <-- MAIL FROM:<> SIZE=4176
Mon 2016-06-20 09:09:27: Performing PTR lookup (104.54.83.219.IN-ADDR.ARPA)
Mon 2016-06-20 09:09:27: * D=104.54.83.219.IN-ADDR.ARPA TTL=(60) PTR=[avas10empat.indosat.net.id]
Mon 2016-06-20 09:09:27: *  Gathering A records...
Mon 2016-06-20 09:09:27: * D=avas10empat.indosat.net.id TTL=(60) A=[219.83.54.104]
Mon 2016-06-20 09:09:27: ---- End PTR results
Mon 2016-06-20 09:09:27: Performing IP lookup (avas10empat.indosat.net.id)
Mon 2016-06-20 09:09:27: * D=avas10empat.indosat.net.id TTL=(60) A=[219.83.54.104]
Mon 2016-06-20 09:09:27: ---- End IP lookup results
Mon 2016-06-20 09:09:27: Performing SPF lookup (avas10empat.indosat.net.id / 219.83.54.104)
Mon 2016-06-20 09:09:27: *  Result: none; no SPF record in DNS
Mon 2016-06-20 09:09:27: ---- End SPF results
Mon 2016-06-20 09:09:27: --> 250 <>, Sender ok
Mon 2016-06-20 09:09:27: <-- RCPT TO:<[email protected]>
Mon 2016-06-20 09:09:27: --> 250 <[email protected]>, Recipient ok
Mon 2016-06-20 09:09:27: <-- DATA
Mon 2016-06-20 09:09:27: Creating temp file (SMTP): c:\mdaemon\queues\temp\md50000142166.tmp
Mon 2016-06-20 09:09:27: --> 354 Enter mail, end with <CRLF>.<CRLF>
Mon 2016-06-20 09:09:27: Message size: 4318 bytes
Mon 2016-06-20 09:09:27: Performing DKIM lookup
Mon 2016-06-20 09:09:27: *  File: c:\mdaemon\queues\temp\md50000142166.tmp
Mon 2016-06-20 09:09:27: * Message-ID: [email protected]
Mon 2016-06-20 09:09:27: *  Result: neutral
Mon 2016-06-20 09:09:27: ---- End DKIM results
Mon 2016-06-20 09:09:27: Performing DomainKeys lookup (Sender: [email protected])
Mon 2016-06-20 09:09:27: *  File: c:\mdaemon\queues\temp\md50000142166.tmp
Mon 2016-06-20 09:09:27: * Message-ID: [email protected]
Mon 2016-06-20 09:09:27: *  Querying for policy: indosatm2.com
Mon 2016-06-20 09:09:27: *    Querying: _domainkey.indosatm2.com ...
Mon 2016-06-20 09:09:27: * DNS: * Name server reports domain name unknown
Mon 2016-06-20 09:09:27: *  Result: neutral
Mon 2016-06-20 09:09:27: ---- End DomainKeys results
Mon 2016-06-20 09:09:27: Passing message through AntiVirus (Size: 4318)...
Mon 2016-06-20 09:09:27: *  Message is clean (no viruses found)
Mon 2016-06-20 09:09:27: ---- End AntiVirus results
Mon 2016-06-20 09:09:27: Passing message through Outbreak Protection...
Mon 2016-06-20 09:09:27: * Message-ID: [email protected]
Mon 2016-06-20 09:09:27: *  Reference-ID: re=0.000,fgs=256
Mon 2016-06-20 09:09:27: *  Virus result: 0 - Clean
Mon 2016-06-20 09:09:27: *  Spam result: 1 - Clean
Mon 2016-06-20 09:09:27: *  IWF result: 0 - Clean
Mon 2016-06-20 09:09:27: ---- End Outbreak Protection results
Mon 2016-06-20 09:09:27: Message creation successful: c:\mdaemon\queues\inbound\md50000051735.msg Mon 2016-06-20 09:09:27: --> 250 Ok, message saved <Message-ID: [email protected]>
Mon 2016-06-20 09:09:32: <-- QUIT
Mon 2016-06-20 09:09:32: --> 221 See ya in cyberspace
Mon 2016-06-20 09:09:32: SMTP session successful (Bytes in/out: 4484/506)
Mon 2016-06-20 09:09:32: ----------

Ini kenapa ya Pak ?

Atas bantuannya diucapkan terima kasih.

Salam,

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