> 
> Mail ini diterima dengan baik, tidak ada masalah legalistas sender
> domain maupun sender host disini.
> 
> syafril@office:~$ host smtp-out053-sv3.telkom.net
> smtp-out053-sv3.telkom.net has address 125.160.6.53
> 
> syafril@office:~$ host 125.160.6.53
> 53.6.160.125.in-addr.arpa domain name pointer
> smtp-out053-sv3.telkom.net.

Kebetulan log tersebut berhasil setelah aku masukan PTR report nya 
dan dibawah ini ada tambahan lagi

Tue 2014-10-14 12:09:45: 05: [740529] Session 740529; child 0002
Tue 2014-10-14 12:09:45: 05: [740529] Accepting SMTP connection from 
[203.116.25.220:16834] to [165.108.159.10:25]
Tue 2014-10-14 12:09:45: 03: [740529] --> 220-mail.jkt.itochu.co.id ESMTP 
MDaemon 14.0.3; Tue, 14 Oct 2014 12:09:45 +0700
Tue 2014-10-14 12:09:45: 03: [740529] --> 220 No public service mail PT. Itochu 
Indonesia
Tue 2014-10-14 12:09:45: 02: [740529] <-- EHLO TPSEDGE1.exch.com
Tue 2014-10-14 12:09:45: 03: [740529] --> 250-mail.jkt.itochu.co.id Hello 
TPSEDGE1.exch.com, pleased to meet you
Tue 2014-10-14 12:09:45: 03: [740529] --> 250-ETRN
Tue 2014-10-14 12:09:45: 03: [740529] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Tue 2014-10-14 12:09:45: 03: [740529] --> 250-8BITMIME
Tue 2014-10-14 12:09:45: 03: [740529] --> 250 SIZE 20480000
Tue 2014-10-14 12:09:45: 02: [740529] <-- MAIL FROM:<leon...@tpc.com.sg> 
SIZE=16831
Tue 2014-10-14 12:09:45: 05: [740529] Performing PTR lookup 
(220.25.116.203.IN-ADDR.ARPA)
Tue 2014-10-14 12:09:46: 05: [740529] *  D=220.25.116.203.IN-ADDR.ARPA 
TTL=(120) PTR=[email.tpc.com.sg]
Tue 2014-10-14 12:09:46: 05: [740529] *  D=220.25.116.203.IN-ADDR.ARPA 
TTL=(120) PTR=[email.pcs-chem.com.sg]
Tue 2014-10-14 12:09:46: 05: [740529] *  D=220.25.116.203.IN-ADDR.ARPA 
TTL=(120) PTR=[email.scs-chem.com.sg]
Tue 2014-10-14 12:09:46: 05: [740529] *  Gathering A records...
Tue 2014-10-14 12:09:46: 05: [740529] *  D=email.tpc.com.sg TTL=(3) 
A=[203.116.25.220]
Tue 2014-10-14 12:09:46: 05: [740529] *  D=email.pcs-chem.com.sg TTL=(30) 
A=[203.116.25.220]
Tue 2014-10-14 12:09:46: 05: [740529] *  D=email.scs-chem.com.sg TTL=(30) 
A=[203.116.25.220]
Tue 2014-10-14 12:09:46: 05: [740529] ---- End PTR results
Tue 2014-10-14 12:09:46: 05: [740529] Performing IP lookup (TPSEDGE1.exch.com)
Tue 2014-10-14 12:09:46: 04: [740529] *  Error: *  Name server reports domain 
name unknown
Tue 2014-10-14 12:09:46: 05: [740529] ---- End IP lookup results
Tue 2014-10-14 12:09:46: 03: [740529] --> 501 <TPSEDGE1.exch.com> is invalid or 
DNS says does not exist
Tue 2014-10-14 12:09:46: 04: [740529] SMTP session terminated (Bytes in/out: 
67/339)


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