dear Mr. Syafril & Team,

Selamat pagi, hari ini user mendapat email seperti berikut:
=======================================================================
=  Greetings from the MDaemon mail system at mail.bintangsaudara.com  =
=======================================================================

The following message:

     Session-ID: 129933 (specific to this delivery attempt)
       Queue-ID: pd90000000475.msg
     Message-ID: 01cf01d38a8e$45bd4f60$d137ee20$@bintangsaudara.com

has not (as yet) been delivered to the following recipient(s):

     patricia.goncal...@kohler-medizin.de (delivery delayed)

despite one or more unsuccessful attempts to do so.

Delivery attempts will continue for up to 48 hours (2 days).  If delivery
fails after that time you will be separately informed.

You do not need to resend the message!

The original message headers follow at the end of this report.  For
information on DSN messages see http://www.altn.com/dsn/.

Please quote the Queue-ID, Session-ID, and Message-ID found above in any
inquiries regarding this message.

========================
=  Session Transcript  =
========================

  Session 129933; child 0001
  Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000071302.msg>
  *  From: i...@bintangsaudara.com
  *  To: patricia.goncal...@kohler-medizin.de
  *  Subject: RE: BINTANG: Auftragsbestätigung 2123625
  *  Size (bytes): 47150
  *  Message-ID: <01cf01d38a8e$45bd4f60$d137ee20$@bintangsaudara.com>
  Resolving MX record for kohler-medizin.de (DNS Server: 8.8.8.8)...
  *  P=010 S=000 D=kohler-medizin.de TTL=(114) MX=[mail.kohler-medizin.de]
  Attempting SMTP connection to mail.kohler-medizin.de
  Resolving A record for mail.kohler-medizin.de (DNS Server: 8.8.8.8)...
  *  D=mail.kohler-medizin.de TTL=(119) A=[217.86.154.197]
  Attempting SMTP connection to 217.86.154.197:25
  Waiting for socket connection...
  *  Socket error 10060 - The connection timed out.
  *  This message is 60 minutes old; it has 0 minutes left in this queue
  Remote queue lifetime exceeded; message placed in retry queue

========================
=    End Transcript    =
========================


hasil pengecekan di log MAIL SERVER :
Thu 2018-01-11 11:43:36.614: Session 129933; child 0001
Thu 2018-01-11 11:43:36.614: Parsing message
<c:\mdaemon\queues\remote\pd35000071302.msg>
Thu 2018-01-11 11:43:36.616: *  From: i...@bintangsaudara.com
Thu 2018-01-11 11:43:36.616: *  To: patricia.goncal...@kohler-medizin.de
Thu 2018-01-11 11:43:36.616: *  Subject: RE: BINTANG: Auftragsbestätigung
2123625
Thu 2018-01-11 11:43:36.616: *  Size (bytes): 47150
Thu 2018-01-11 11:43:36.616: *  Message-ID:
<01cf01d38a8e$45bd4f60$d137ee20$@bintangsaudara.com>
Thu 2018-01-11 11:43:36.621: Resolving MX record for kohler-medizin.de
(DNS Server: 8.8.8.8)...
Thu 2018-01-11 11:43:36.637: *  P=010 S=000 D=kohler-medizin.de TTL=(114)
MX=[mail.kohler-medizin.de]
Thu 2018-01-11 11:43:36.637: Attempting SMTP connection to
mail.kohler-medizin.de
Thu 2018-01-11 11:43:36.637: Resolving A record for mail.kohler-medizin.de
(DNS Server: 8.8.8.8)...
Thu 2018-01-11 11:43:37.113: *  D=mail.kohler-medizin.de TTL=(119)
A=[217.86.154.197]
Thu 2018-01-11 11:43:37.113: Attempting SMTP connection to 217.86.154.197:25
Thu 2018-01-11 11:43:37.113: Waiting for socket connection...
Thu 2018-01-11 11:43:58.116: *  Socket error 10060 - The connection timed out.
Thu 2018-01-11 11:43:58.116: *  This message is 60 minutes old; it has 0
minutes left in this queue
Thu 2018-01-11 11:43:58.124: Remote queue lifetime exceeded; message
placed in retry queue
Thu 2018-01-11 11:43:58.169: Creating delivery delayed DSN...
Thu 2018-01-11 11:43:58.169: *  Recipient: i...@bintangsaudara.com
Thu 2018-01-11 11:43:58.169: *  Session-ID: 129933
Thu 2018-01-11 11:43:58.169: *  Queue-ID: pd90000000475.msg
Thu 2018-01-11 11:43:58.169: *  Message-ID:
01cf01d38a8e$45bd4f60$d137ee20$@bintangsaudara.com
Thu 2018-01-11 11:43:58.169: --- End DSN message creation
Thu 2018-01-11 11:43:58.170: SMTP session terminated (Bytes in/out: 0/0)

tapi di hari ini jam 3 an, hasil log:
Fri 2018-01-12 02:35:21.018: ----------
Fri 2018-01-12 03:00:12.822: Session 135136; child 0003
Fri 2018-01-12 03:00:12.822: Parsing message
<c:\mdaemon\queues\remote\retry\pd90000000475.msg>
Fri 2018-01-12 03:00:12.824: *  From: i...@bintangsaudara.com
Fri 2018-01-12 03:00:12.824: *  To: patricia.goncal...@kohler-medizin.de
Fri 2018-01-12 03:00:12.824: *  Subject: RE: BINTANG: Auftragsbestätigung
2123625
Fri 2018-01-12 03:00:12.824: *  Size (bytes): 47175
Fri 2018-01-12 03:00:12.824: *  Message-ID:
<01cf01d38a8e$45bd4f60$d137ee20$@bintangsaudara.com>
Fri 2018-01-12 03:00:12.836: Resolving MX record for kohler-medizin.de
(DNS Server: 8.8.8.8)...
Fri 2018-01-12 03:00:12.853: *  P=010 S=000 D=kohler-medizin.de TTL=(51)
MX=[mail.kohler-medizin.de]
Fri 2018-01-12 03:00:12.853: Attempting SMTP connection to
mail.kohler-medizin.de
Fri 2018-01-12 03:00:12.853: Resolving A record for mail.kohler-medizin.de
(DNS Server: 8.8.8.8)...
Fri 2018-01-12 03:00:12.870: *  D=mail.kohler-medizin.de TTL=(26)
A=[217.86.154.197]
Fri 2018-01-12 03:00:12.870: Attempting SMTP connection to 217.86.154.197:25
Fri 2018-01-12 03:00:12.870: Waiting for socket connection...
Fri 2018-01-12 03:00:13.092: *  Connection established 10.0.1.60:63364 -->
217.86.154.197:25
Fri 2018-01-12 03:00:13.092: Waiting for protocol to start...
Fri 2018-01-12 03:00:15.506: <-- 220 mail.kohler-medizin.de ESMTP ready.
Fri 2018-01-12 03:00:15.507: --> EHLO mail.bintangsaudara.com
Fri 2018-01-12 03:00:15.729: <-- 250-mail.kohler-medizin.de Hello
mail.bintangsaudara.com [202.162.194.30]
Fri 2018-01-12 03:00:15.729: <-- 250-SIZE 52428800
Fri 2018-01-12 03:00:15.729: <-- 250-8BITMIME
Fri 2018-01-12 03:00:15.729: <-- 250-PIPELINING
Fri 2018-01-12 03:00:15.729: <-- 250-STARTTLS
Fri 2018-01-12 03:00:15.729: <-- 250 HELP
Fri 2018-01-12 03:00:15.729: --> MAIL From:<i...@bintangsaudara.com>
SIZE=47175
Fri 2018-01-12 03:00:15.950: <-- 250 OK
Fri 2018-01-12 03:00:15.950: --> RCPT
To:<patricia.goncal...@kohler-medizin.de>
Fri 2018-01-12 03:00:16.186: <-- 250 Accepted
Fri 2018-01-12 03:00:16.186: --> DATA
Fri 2018-01-12 03:00:16.408: <-- 354 Enter message, ending with "." on a
line by itself
Fri 2018-01-12 03:00:16.408: Sending
<c:\mdaemon\queues\remote\retry\pd90000000475.msg> to [217.86.154.197]
Fri 2018-01-12 03:00:16.858: Transfer Complete
Fri 2018-01-12 03:00:17.378: <-- 250 OK id=1eZj13-0007X3-1p
Fri 2018-01-12 03:00:17.379: --> QUIT
Fri 2018-01-12 03:00:17.601: <-- 221 mail.kohler-medizin.de closing connection
Fri 2018-01-12 03:00:17.601: SMTP session successful (Bytes in/out: 342/47320)
Fri 2018-01-12 03:00:17.601: ----------

pertanyaanya:

1. apakah email sudah sampai ke tujuan?dari log seharusnya sampai, benarkan?
2. mengapa bisa terjadi delay pengiriman email? apakah masalah tetap sama
di bagian provider internet?


terima kasih.

Regards,

Sucipto


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