> Mungkin tidak, tanyakan saja ke pengelola mx backup domain Anda apakah
> ada terima mail dari domain mncgroup.comdan ditujukan ke domain
> jkt.itochu.co.id yang ditolak sekitar jam 12.30- 13.30 (barangkali saja
> sender clock tidak akurat).
> 
Ok Pak sudah saya laporkan hal diatas.

Dan saya mendapati ada error return mail dari users kami kirim ke customer 
sebagai berikut

-----Original Message-----
From: Mail Delivery System [mailto:[email protected]] 
Sent: Wednesday, September 03, 2014 2:04 PM
To: [email protected]
Subject: Delivery Status Notification (Failure)

The following message to <[email protected]> was undeliverable.
The reason for the problem:
5.1.0 - Unknown address error 501-'Connecting IP must have valid PTR record
for 202.171.1.132'

Dan kalau saya cek di SMTP In Log nya dibawah ini

Wed 2014-09-03 14:02:56: 05: [680954] Session 680954; child 0002
Wed 2014-09-03 14:02:56: 05: [680954] Accepting SMTP connection from 
[202.171.1.132:32846] to [165.108.159.10:25]
Wed 2014-09-03 14:02:56: 03: [680954] --> 220-mail.jkt.itochu.co.id ESMTP 
MDaemon 14.0.3; Wed, 03 Sep 2014 14:02:56 +0700
Wed 2014-09-03 14:02:56: 03: [680954] --> 220 No public service mail PT. Itochu 
Indonesia
Wed 2014-09-03 14:02:56: 02: [680954] <-- EHLO ganesha.ntt.net.id
Wed 2014-09-03 14:02:56: 05: [680954] Performing IP lookup (ganesha.ntt.net.id)
Wed 2014-09-03 14:02:56: 05: [680954] *  D=ganesha.ntt.net.id TTL=(27) 
A=[202.171.1.132]
Wed 2014-09-03 14:02:56: 05: [680954] ---- End IP lookup results
Wed 2014-09-03 14:02:56: 03: [680954] --> 250-mail.jkt.itochu.co.id Hello 
ganesha.ntt.net.id, pleased to meet you
Wed 2014-09-03 14:02:56: 03: [680954] --> 250-ETRN
Wed 2014-09-03 14:02:56: 03: [680954] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Wed 2014-09-03 14:02:56: 03: [680954] --> 250-8BITMIME
Wed 2014-09-03 14:02:56: 03: [680954] --> 250 SIZE 20480000
Wed 2014-09-03 14:02:56: 02: [680954] <-- MAIL FROM:<> SIZE=3324
Wed 2014-09-03 14:02:56: 03: [680954] --> 250 <>, Sender ok
Wed 2014-09-03 14:02:56: 02: [680954] <-- RCPT 
TO:<[email protected]>
Wed 2014-09-03 14:02:56: 01: [680954] Performing Backscatter Protection...
Wed 2014-09-03 14:02:56: 01: [680954] *  Address: 
[email protected]
Wed 2014-09-03 14:02:56: 01: [680954] *  Verifier: key=1 date=323 sha-1 
hmac=ea3e0a
Wed 2014-09-03 14:02:56: 01: [680954] *  Result: pass
Wed 2014-09-03 14:02:56: 01: [680954] --- End Backscatter Protection
Wed 2014-09-03 14:02:56: 05: [680954] Performing DNS-BL lookup (202.171.1.132 - 
connecting IP)
Wed 2014-09-03 14:02:56: 05: [680954] *  zen.spamhaus.org - passed

Apakah harus ada penambahan IP 202.171.1.132 di white list Dynamic screen

Regards,
Benny


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