Assalaamu'alaikum Pak Syafril,

Dua hari terakhir ini ada bamyak session SMTP-Out terminated.

Dari log, error yang dominan adalah :
1. Domain nittoh.co.id (sender) not found.
2. Resolving MX records for receipient > DNS 10 second wait for DNS response 
exceeded

Pertanyaan :
  a. Kira-kira masalahnya di mana ya Pak ?
  b. Apakah karena DNS Server provider kami  203.153.99.100 dan 203.153.118.10
     sedang bermasalah?
  c. Bagaimana caranya agar ketika MDaemon mengecek domain sender (nittoh.co.id)
      cek ke DNS lokal dan hanya Resolving MX records for receipient saja yang 
ke 
      DNS-nya provider.

Terima kasih.
Wassalam

Domain nittoh.co.id (sender) not found :

Tue 2009-05-19 09:07:21: Session 4604; child 1
Tue 2009-05-19 09:06:10: Parsing message 
<c:\mdaemon\queues\remote\pd50000004650.msg>
Tue 2009-05-19 09:06:10: *  From: ytaken...@nittoh.co.id
Tue 2009-05-19 09:06:10: *  To: charingcr...@dream.com
Tue 2009-05-19 09:06:10: *  Subject: 
=?iso-2022-jp?B?UkU6IE5QSRskQiEhRGo0PhsoQg==?=
Tue 2009-05-19 09:06:10: *  Message-ID: 
<d94667cb8da6440d9ad5dbf886472...@optkanri30>
Tue 2009-05-19 09:06:10: Attempting SMTP connection to [dream.com]
Tue 2009-05-19 09:06:10: Resolving MX records for [dream.com] (DNS Server: 
203.153.99.100)...
Tue 2009-05-19 09:06:10: *  P=010 S=000 D=dream.com TTL=(60) 
MX=[smtp.dream.com] {220.111.47.192}
Tue 2009-05-19 09:06:10: Attempting SMTP connection to [220.111.47.192:25]
Tue 2009-05-19 09:06:10: Waiting for socket connection...
Tue 2009-05-19 09:06:10: *  Connection established (192.168.0.2:3297 -> 
220.111.47.192:25)
Tue 2009-05-19 09:06:10: Waiting for protocol to start...
Tue 2009-05-19 09:06:11: <-- 220 smtp.dream.com ESMTP Postfix
Tue 2009-05-19 09:06:11: --> EHLO nittoh.co.id
Tue 2009-05-19 09:06:11: <-- 250-smtp.dream.com
Tue 2009-05-19 09:06:11: <-- 250-PIPELINING
Tue 2009-05-19 09:06:11: <-- 250-SIZE 10485760
Tue 2009-05-19 09:06:11: <-- 250-ETRN
Tue 2009-05-19 09:06:11: <-- 250-XVERP
Tue 2009-05-19 09:06:11: <-- 250 8BITMIME
Tue 2009-05-19 09:06:11: --> MAIL From:<ytaken...@nittoh.co.id> SIZE=102116
Tue 2009-05-19 09:06:12: <-- 250 Ok
Tue 2009-05-19 09:06:12: --> RCPT To:<charingcr...@dream.com>
Tue 2009-05-19 09:07:20: <-- 450 <ytaken...@nittoh.co.id>: Sender address 
rejected: Domain not found
Tue 2009-05-19 09:07:20: --> QUIT
Tue 2009-05-19 09:07:21: <-- 221 Bye
Tue 2009-05-19 09:07:21: This message is 1 minutes old; it has 59 minutes left 
in this queue
Tue 2009-05-19 09:07:21: SMTP session terminated (Bytes in/out: 214/107)


Resolving MX records for receipient DNS 10 second wait for DNS response exceeded

Tue 2009-05-19 09:40:50: Session 5071; child 2
Tue 2009-05-19 09:39:51: Parsing message 
<c:\mdaemon\queues\remote\pd50000004656.msg>
Tue 2009-05-19 09:39:51: *  From: ytaken...@nittoh.co.id
Tue 2009-05-19 09:39:51: *  To: tko...@nittohkogaku.co.jp
Tue 2009-05-19 09:39:51: *  Subject: 
=?iso-2022-jp?B?UkU6IBskQkZKTFolSyUzJXMhITVEO3ZPP0F3SVUbKEI=?=
Tue 2009-05-19 09:39:51: *  Message-ID: 
<4ef4984aef7642b58004ca1ed8b5d...@optkanri30>
Tue 2009-05-19 09:39:51: *  Route slip host: nittohkogaku.co.jp
Tue 2009-05-19 09:39:51: *  Route slip port: 25
Tue 2009-05-19 09:39:51: Attempting SMTP connection to [nittohkogaku.co.jp]
Tue 2009-05-19 09:39:51: Resolving MX records for [nittohkogaku.co.jp] (DNS 
Server: 203.153.99.100)...
Tue 2009-05-19 09:40:00: *  DNS: 10 second wait for DNS response exceeded 
(attempt 1 of 3)
Tue 2009-05-19 09:40:00: Resolving MX records for [nittohkogaku.co.jp] (DNS 
Server: 203.153.118.10)...
Tue 2009-05-19 09:40:10: *  DNS: 10 second wait for DNS response exceeded 
(attempt 2 of 3)
Tue 2009-05-19 09:40:10: Resolving MX records for [nittohkogaku.co.jp] (DNS 
Server: 203.153.99.100)...
Tue 2009-05-19 09:40:20: *  DNS: 10 second wait for DNS response exceeded 
(attempt 3 of 3)
Tue 2009-05-19 09:40:20: Attempting SMTP connection to [nittohkogaku.co.jp:25]
Tue 2009-05-19 09:40:20: Resolving A record for [nittohkogaku.co.jp] (DNS 
Server: 203.153.99.100)...
Tue 2009-05-19 09:40:30: *  DNS: 10 second wait for DNS response exceeded 
(attempt 1 of 3)
Tue 2009-05-19 09:40:30: Attempting SMTP connection to [nittohkogaku.co.jp:25]
Tue 2009-05-19 09:40:30: Resolving A record for [nittohkogaku.co.jp] (DNS 
Server: 203.153.118.10)...
Tue 2009-05-19 09:40:40: *  DNS: 10 second wait for DNS response exceeded 
(attempt 2 of 3)
Tue 2009-05-19 09:40:40: Attempting SMTP connection to [nittohkogaku.co.jp:25]
Tue 2009-05-19 09:40:40: Resolving A record for [nittohkogaku.co.jp] (DNS 
Server: 203.153.99.100)...
Tue 2009-05-19 09:40:50: *  DNS: 10 second wait for DNS response exceeded 
(attempt 3 of 3)
Tue 2009-05-19 09:40:50: This message is 1 minutes old; it has 59 minutes left 
in this queue
Tue 2009-05-19 09:40:50: SMTP session terminated (Bytes in/out: 0/0)

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