> Disamping masalah besarnya kanal (bandwidth) DNSresolver yang bikin lambat 
> mail masuk, banyak time out disisi sender.
> Bisa periksa ke smtp-in log untuk transaksi mail sebelumnya dari sender host 
> itu.

Berikut log nya pak:

Wed 2023-09-13 00:08:53.429: ----------
Wed 2023-09-13 00:08:06.886: [23418394] Session 23418394; child 0004
Wed 2023-09-13 00:08:06.886: [23418394] Accepting SMTP connection from 
45.249.212.51:9211 to 117.102.89.155:25
Wed 2023-09-13 00:08:06.887: [23418394] --> 220 mail.mandau.id ESMTP MDaemon 
20.0.4; Wed, 13 Sep 2023 00:08:06 +0700
Wed 2023-09-13 00:08:07.309: [23418394] <-- EHLO dggsgout11.his.huawei.com
Wed 2023-09-13 00:08:07.312: [23418394] --> 250-mail.mandau.id Hello 
dggsgout11.his.huawei.com [45.249.212.51], pleased to meet you
Wed 2023-09-13 00:08:07.312: [23418394] --> 250-ETRN
Wed 2023-09-13 00:08:07.312: [23418394] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Wed 2023-09-13 00:08:07.312: [23418394] --> 250-8BITMIME
Wed 2023-09-13 00:08:07.312: [23418394] --> 250-ENHANCEDSTATUSCODES
Wed 2023-09-13 00:08:07.312: [23418394] --> 250 SIZE
Wed 2023-09-13 00:08:07.735: [23418394] <-- MAIL 
FROM:<[email protected]> SIZE=4387
Wed 2023-09-13 00:08:07.740: [23418394] Performing IP lookup (ms.huawei.com)
Wed 2023-09-13 00:08:07.971: [23418394] *  P=010 S=000 D=ms.huawei.com TTL=(10) 
MX=[msmx05.huawei.com]
Wed 2023-09-13 00:08:07.971: [23418394] *  P=040 S=001 D=ms.huawei.com TTL=(10) 
MX=[mailmx07.his.huawei.com]
Wed 2023-09-13 00:08:08.025: [23418394] *  D=msmx05.huawei.com TTL=(10) 
A=[124.71.94.13]
Wed 2023-09-13 00:08:08.123: [23418394] *  D=mailmx07.his.huawei.com TTL=(10) 
A=[14.137.139.159]
Wed 2023-09-13 00:08:08.123: [23418394] ---- End IP lookup results
Wed 2023-09-13 00:08:08.125: [23418394] Performing SPF lookup 
(dggsgout11.his.huawei.com / 45.249.212.51)
Wed 2023-09-13 00:08:08.267: [23418394] *  Result: none; no SPF record in DNS
Wed 2023-09-13 00:08:08.267: [23418394] ---- End SPF results
Wed 2023-09-13 00:08:08.267: [23418394] --> 250 2.1.0 Sender OK
Wed 2023-09-13 00:08:08.689: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:08.694: [23418394] Performing DNS-BL lookup (45.249.212.51 
- connecting IP)
Wed 2023-09-13 00:08:08.781: [23418394] *  zen.spamhaus.org - passed
Wed 2023-09-13 00:08:08.781: [23418394] ---- End DNS-BL results
Wed 2023-09-13 00:08:08.782: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:09.204: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:09.209: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:09.630: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:09.635: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:10.056: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:10.060: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:10.483: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:10.483: [23418394] More than 5 RCPT commands encountered; 
this session tarpitted with a 10 second initial delay scaling by 1.00
Wed 2023-09-13 00:08:10.487: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:20.909: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:20.913: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:31.335: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:31.376: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:41.799: [23418394] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 00:08:41.803: [23418394] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 00:08:55.434: [23418394] <-- DATA
Wed 2023-09-13 00:08:55.434: [23418394] --> 354 Enter mail, end with 
<CRLF>.<CRLF>
Wed 2023-09-13 00:08:56.327: [23418394] Message size: 4351 bytes
Wed 2023-09-13 00:08:56.333: [23418394] Performing DNS-BL lookup (172.30.67.143 
- 'Received' header)
Wed 2023-09-13 00:08:56.355: [23418394] *  zen.spamhaus.org - passed
Wed 2023-09-13 00:08:56.355: [23418394] ---- End DNS-BL results
Wed 2023-09-13 00:08:56.355: [23418394] Performing DKIM verification
Wed 2023-09-13 00:08:56.355: [23418394] *  File: 
c:\mdaemon\queues\temp\md5001001092132.tmp
Wed 2023-09-13 00:08:56.355: [23418394] *  Message-ID: 
<1677832981.162803.1694538485477@adc-email-helm-76d56ffc76-7mfml>
Wed 2023-09-13 00:08:56.356: [23418394] *  Result: neutral
Wed 2023-09-13 00:08:56.356: [23418394] ---- End DKIM results
Wed 2023-09-13 00:08:56.405: [23418394] Passing message through AntiVirus 
(Size: 4351)...
Wed 2023-09-13 00:08:56.413: [23418394] *  Message is clean (no viruses found) 
scanned by (Cyren AV) (ClamAV)
Wed 2023-09-13 00:08:56.413: [23418394] ---- End AntiVirus results
Wed 2023-09-13 00:08:56.413: [23418394] Passing message through Spam Filter 
(Size: 4351)...
Wed 2023-09-13 00:08:56.472: [23418394] * -0.0 USER_IN_WELCOMELIST User is 
listed in 'welcomelist_from'
Wed 2023-09-13 00:08:56.472: [23418394] * -0.0 SHORTCIRCUIT Not all rules were 
run, due to a shortcircuited
Wed 2023-09-13 00:08:56.472: [23418394] *      rule
Wed 2023-09-13 00:08:56.472: [23418394] * -100 USER_IN_WHITELIST From: address 
is in the whitelist
Wed 2023-09-13 00:08:56.472: [23418394] ---- End SpamAssassin results
Wed 2023-09-13 00:08:56.472: [23418394] Spam Filter score/req: -100.00/8.0
Wed 2023-09-13 00:08:56.900: [23418394] Message creation successful: 
c:\mdaemon\queues\inbound\md5001001794769.msg
Wed 2023-09-13 00:08:56.900: [23418394] --> 250 2.6.0 Ok, message saved 
<Message-ID: <1677832981.162803.1694538485477@adc-email-helm-76d56ffc76-7mfml>>
Wed 2023-09-13 00:08:56.901: [23418394] <-- QUIT
Wed 2023-09-13 00:08:56.901: [23418394] --> 221 2.0.0 See ya in cyberspace
Wed 2023-09-13 00:08:56.901: [23418394] SMTP session successful (Bytes in/out: 
4714/647)
Wed 2023-09-13 00:08:56.901: ----------

Dan


Wed 2023-09-13 03:33:06.100: ----------
Wed 2023-09-13 03:31:38.077: [23425472] Session 23425472; child 0004
Wed 2023-09-13 03:31:38.077: [23425472] Accepting SMTP connection from 
45.249.212.51:9222 to 117.102.89.155:25
Wed 2023-09-13 03:31:38.078: [23425472] --> 220 mail.mandau.id ESMTP MDaemon 
20.0.4; Wed, 13 Sep 2023 03:31:38 +0700
Wed 2023-09-13 03:31:38.479: [23425472] <-- EHLO dggsgout11.his.huawei.com
Wed 2023-09-13 03:31:38.482: [23425472] --> 250-mail.mandau.id Hello 
dggsgout11.his.huawei.com [45.249.212.51], pleased to meet you
Wed 2023-09-13 03:31:38.482: [23425472] --> 250-ETRN
Wed 2023-09-13 03:31:38.482: [23425472] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Wed 2023-09-13 03:31:38.482: [23425472] --> 250-8BITMIME
Wed 2023-09-13 03:31:38.482: [23425472] --> 250-ENHANCEDSTATUSCODES
Wed 2023-09-13 03:31:38.482: [23425472] --> 250 SIZE
Wed 2023-09-13 03:31:38.883: [23425472] <-- MAIL 
FROM:<[email protected]> SIZE=5450
Wed 2023-09-13 03:31:38.888: [23425472] Performing IP lookup (ms.huawei.com)
Wed 2023-09-13 03:32:38.890: [23425472] *  DNS: 60 second wait for DNS response 
exceeded (DNS Server: 203.142.84.222)
Wed 2023-09-13 03:32:39.002: [23425472] *  P=010 S=001 D=ms.huawei.com TTL=(10) 
MX=[msmx05.huawei.com]
Wed 2023-09-13 03:32:39.002: [23425472] *  P=040 S=000 D=ms.huawei.com TTL=(10) 
MX=[mailmx07.his.huawei.com]
Wed 2023-09-13 03:32:39.055: [23425472] *  D=msmx05.huawei.com TTL=(10) 
A=[124.71.94.13]
Wed 2023-09-13 03:32:39.108: [23425472] *  D=mailmx07.his.huawei.com TTL=(10) 
A=[14.137.139.159]
Wed 2023-09-13 03:32:39.108: [23425472] ---- End IP lookup results
Wed 2023-09-13 03:32:39.109: [23425472] Performing SPF lookup 
(dggsgout11.his.huawei.com / 45.249.212.51)
Wed 2023-09-13 03:32:39.219: [23425472] *  Result: none; no SPF record in DNS
Wed 2023-09-13 03:32:39.219: [23425472] ---- End SPF results
Wed 2023-09-13 03:32:39.219: [23425472] --> 250 2.1.0 Sender OK
Wed 2023-09-13 03:32:39.620: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:32:39.625: [23425472] Performing DNS-BL lookup (45.249.212.51 
- connecting IP)
Wed 2023-09-13 03:32:39.763: [23425472] *  zen.spamhaus.org - passed
Wed 2023-09-13 03:32:39.763: [23425472] ---- End DNS-BL results
Wed 2023-09-13 03:32:39.764: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:32:40.164: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:32:40.169: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:32:40.569: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:32:40.574: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:32:40.973: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:32:40.977: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:32:41.378: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:32:41.378: [23425472] More than 5 RCPT commands encountered; 
this session tarpitted with a 10 second initial delay scaling by 1.00
Wed 2023-09-13 03:32:41.382: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:32:51.783: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:32:51.787: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:33:02.187: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:33:02.229: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:33:12.630: [23425472] <-- RCPT TO:<[email protected]>
Wed 2023-09-13 03:33:12.634: [23425472] --> 250 2.1.5 Recipient OK
Wed 2023-09-13 03:33:23.034: [23425472] <-- DATA
Wed 2023-09-13 03:33:23.037: [23425472] --> 354 Enter mail, end with 
<CRLF>.<CRLF>
Wed 2023-09-13 03:33:23.838: [23425472] Message size: 5415 bytes
Wed 2023-09-13 03:33:23.845: [23425472] Performing DNS-BL lookup (172.30.67.169 
- 'Received' header)
Wed 2023-09-13 03:33:23.946: [23425472] *  zen.spamhaus.org - passed
Wed 2023-09-13 03:33:23.946: [23425472] ---- End DNS-BL results
Wed 2023-09-13 03:33:23.947: [23425472] Performing DKIM verification
Wed 2023-09-13 03:33:23.947: [23425472] *  File: 
c:\mdaemon\queues\temp\md5001001098777.tmp
Wed 2023-09-13 03:33:23.947: [23425472] *  Message-ID: 
<1421245387.172403.1694550698468@adc-email-helm-76d56ffc76-7mfml>
Wed 2023-09-13 03:33:23.947: [23425472] *  Result: neutral
Wed 2023-09-13 03:33:23.947: [23425472] ---- End DKIM results
Wed 2023-09-13 03:33:23.996: [23425472] Passing message through AntiVirus 
(Size: 5415)...
Wed 2023-09-13 03:33:24.005: [23425472] *  Message is clean (no viruses found) 
scanned by (Cyren AV) (ClamAV)
Wed 2023-09-13 03:33:24.005: [23425472] ---- End AntiVirus results
Wed 2023-09-13 03:33:24.006: [23425472] Passing message through Spam Filter 
(Size: 5415)...
Wed 2023-09-13 03:33:24.030: [23425472] * -0.0 USER_IN_WELCOMELIST User is 
listed in 'welcomelist_from'
Wed 2023-09-13 03:33:24.030: [23425472] * -0.0 SHORTCIRCUIT Not all rules were 
run, due to a shortcircuited
Wed 2023-09-13 03:33:24.030: [23425472] *      rule
Wed 2023-09-13 03:33:24.030: [23425472] * -100 USER_IN_WHITELIST From: address 
is in the whitelist
Wed 2023-09-13 03:33:24.030: [23425472] ---- End SpamAssassin results
Wed 2023-09-13 03:33:24.030: [23425472] Spam Filter score/req: -100.00/8.0
Wed 2023-09-13 03:33:24.435: [23425472] Message creation successful: 
c:\mdaemon\queues\inbound\md5001001798534.msg
Wed 2023-09-13 03:33:24.435: [23425472] --> 250 2.6.0 Ok, message saved 
<Message-ID: <1421245387.172403.1694550698468@adc-email-helm-76d56ffc76-7mfml>>
Wed 2023-09-13 03:33:24.436: [23425472] <-- QUIT
Wed 2023-09-13 03:33:24.436: [23425472] --> 221 2.0.0 See ya in cyberspace
Wed 2023-09-13 03:33:24.436: [23425472] SMTP session successful (Bytes in/out: 
5778/647)
Wed 2023-09-13 03:33:24.436: ----------

> Hal ini memang jadi problem bagi user-user yang pakai ISP yang memblock akses 
> ke public DNS macam biz.net.id, link.net.id.
> Semakin besar/banyak pelanggannya akan makin lambat.

Ada saran yang musti kami request kan ke pihak ISP pak ?

> Umumnya user yang pakai ISP itu punya MX backup yang pakai ISP lain yang 
> memperbolehkan digunakannya public DNS.
Ya kami memang belum pakai MX Backup pak

Terima kasih

Irwan


--
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www.avast.com


--
--[mdaemon-l]----------------------------------------------------------
Milis ini untuk Diskusi antar pengguna MDaemon Mail Server di Indonesia

Netiket: https://wiki.openstack.org/wiki/MailingListEtiquette
Arsip: http://mdaemon-l.dutaint.com
Dokumentasi : http://mdaemon.dutaint.co.id
Berlangganan: Kirim mail ke [email protected]
Henti Langgan: Kirim mail ke [email protected]
Versi terakhir: MDaemon 23.0.2, SecurityGateway 9.0.3


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