>Sepertinya terjadi mail loop dan server gw02.sosi.co.jp tidak mendukung SPF 
>forwarding (SRS).
>Coba periksa ke smtp-in log, cari transaksi tolakkan mail itu, untuk 
>memastikan.

Tue 2015-12-01 13:05:46.930: [739977] Session 739977; child 0004
Tue 2015-12-01 13:05:46.930: [739977] Accepting SMTP connection from 
210.226.33.76:41611 to 165.108.159.10:25
Tue 2015-12-01 13:05:46.934: [739977] --> 220-mail.jkt.itochu.co.id ESMTP 
MDaemon 15.0.3; Tue, 01 Dec 2015 13:05:46 +0700
Tue 2015-12-01 13:05:46.934: [739977] --> 220 No public service mail PT. Itochu 
Indonesia
Tue 2015-12-01 13:05:47.070: [739977] <-- EHLO gw02.sosi.co.jp
Tue 2015-12-01 13:05:47.074: [739977] Performing IP lookup (gw02.sosi.co.jp)
Tue 2015-12-01 13:05:47.075: [739977] *  D=sgw01.itochu.co.jp TTL=(1) 
A=[210.226.33.76]
Tue 2015-12-01 13:05:47.075: [739977] ---- End IP lookup results
Tue 2015-12-01 13:05:47.076: [739977] --> 250-mail.jkt.itochu.co.id Hello 
gw02.sosi.co.jp, pleased to meet you
Tue 2015-12-01 13:05:47.076: [739977] --> 250-ETRN
Tue 2015-12-01 13:05:47.076: [739977] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Tue 2015-12-01 13:05:47.076: [739977] --> 250-8BITMIME
Tue 2015-12-01 13:05:47.076: [739977] --> 250-ENHANCEDSTATUSCODES
Tue 2015-12-01 13:05:47.076: [739977] --> 250-STARTTLS
Tue 2015-12-01 13:05:47.076: [739977] --> 250 SIZE 20480000
Tue 2015-12-01 13:05:47.175: [739977] <-- MAIL FROM:<forwardingml_0609300@ 
sosi.co.jp> SIZE=12051
Tue 2015-12-01 13:05:47.177: [739977] Performing IP lookup (sosi.co.jp)
Tue 2015-12-01 13:05:47.182: [739977] *  P=010 S=000 D=itochu.co.jp TTL=(0) 
MX=[ gw02.sosi.co.jp] {210.226.33.64}
Tue 2015-12-01 13:05:47.182: [739977] ---- End IP lookup results
Tue 2015-12-01 13:05:47.184: [739977] --> 250 2.1.0 Sender OK
Tue 2015-12-01 13:05:47.283: [739977] <-- RCPT TO:<[email protected] >
Tue 2015-12-01 13:05:47.288: [739977] Performing DNS-BL lookup (210.226.33.76 - 
connecting IP)
Tue 2015-12-01 13:05:47.308: [739977] *  zen.spamhaus.org - passed
Tue 2015-12-01 13:05:47.308: [739977] ---- End DNS-BL results
Tue 2015-12-01 13:05:47.310: [739977] --> 250 2.1.5 Recipient OK
Tue 2015-12-01 13:05:47.419: [739977] <-- DATA
Tue 2015-12-01 13:05:47.421: [739977] Creating temp file (SMTP): 
s:\mdaemon\queues\temp\md50000061718.tmp
Tue 2015-12-01 13:05:47.421: [739977] --> 354 Enter mail, end with <CRLF>.<CRLF>
Tue 2015-12-01 13:05:47.528: [739977] Message size: 12017 bytes
Tue 2015-12-01 13:05:47.530: [739977] Performing DKIM lookup
Tue 2015-12-01 13:05:47.530: [739977] *  File: 
s:\mdaemon\queues\temp\md50000061718.tmp
Tue 2015-12-01 13:05:47.530: [739977] *  Message-ID: 
<[email protected]>
Tue 2015-12-01 13:05:47.531: [739977] *  Result: neutral
Tue 2015-12-01 13:05:47.531: [739977] ---- End DKIM results
Tue 2015-12-01 13:05:47.534: [739977] Performing DMARC processing
Tue 2015-12-01 13:05:47.534: [739977] *  File: 
s:\mdaemon\queues\temp\md50000061718.tmp
Tue 2015-12-01 13:05:47.534: [739977] *  Message-ID: 
<[email protected]>
Tue 2015-12-01 13:05:47.534: [739977] *  Author domain: jkt.itochu.co.id
Tue 2015-12-01 13:05:47.534: [739977] *  Organizational domain: itochu.co.id
Tue 2015-12-01 13:05:47.534: [739977] *  Query domain: _dmarc.jkt.itochu.co.id
Tue 2015-12-01 13:05:47.551: [739977] *    No DMARC policy record found
Tue 2015-12-01 13:05:47.551: [739977] *  Query domain: _dmarc.itochu.co.id
Tue 2015-12-01 13:05:47.563: [739977] *    No DMARC policy record found
Tue 2015-12-01 13:05:47.563: [739977] *  Action taken: none
Tue 2015-12-01 13:05:47.563: [739977] *  Result: none
Tue 2015-12-01 13:05:47.563: [739977] ---- End DMARC results
Tue 2015-12-01 13:05:47.564: [739977] Passing message through AntiVirus (Size: 
12017)...
Tue 2015-12-01 13:05:47.573: [739977] *  Message is clean (no viruses found)
Tue 2015-12-01 13:05:47.574: [739977] ---- End AntiVirus results
Tue 2015-12-01 13:05:47.575: [739977] Message creation successful: 
e:\mdaemon\queues\inbound\md50007900682.msg
Tue 2015-12-01 13:05:47.575: [739977] --> 250 2.6.0 Ok, message saved 
<Message-ID: <[email protected]>>
Tue 2015-12-01 13:05:48.006: [739977] <-- QUIT
Tue 2015-12-01 13:05:48.006: [739977] --> 221 2.0.0 See ya in cyberspace
Tue 2015-12-01 13:05:48.007: [739977] SMTP session successful (Bytes in/out: 
12151/523)



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