> Besar dugaan domain [koreainvestment.co.id] digunakan orang yang tidak
> berhak untuk kirim spam ke internet karena authenticate domainnya
> (SPF/DKIM/DMARC) tidak secure (policnya tidak = reject).
> 
> Coba diubah DMARC DSN record policynya lebih secure.
> 
> _dmarc.koreainvestment.co.id. 14400 IN        TXT     "v=DMARC1;
> p=quarantine;
> aspf=s; adkim=s; sp=none; rua=mailto:dmarc-
> [email protected]"
> 
> diubah menjadi
> 
> _dmarc.koreainvestment.co.id. 14400 IN        TXT     "v=DMARC1;
> p=reject; aspf=s;
> adkim=s; sp=none; rua=mailto:[email protected]";
> 
> ubahan dilakukan di name server ns1.niagahoster.com


Hal tersebut sudah dilakukan di NS Record kami
Namun pengiriman email terkini masih belum berhasil dikirimkan, masih reject. 
Berikut LOG nya


Apakah ada konfigurasi lain yang harus dilakukan di MDaemon nya..? semisal di 
security manager -- Sender Authentication ..?



Berikut Log Terkini

Wed 2026-08-26 09:40:09.457: [07610849] REMOTE message: pd3501000092262.msg
Wed 2026-08-26 09:40:09.457: [07610849] *  Session 07610849; child 0001
Wed 2026-08-26 09:40:09.457: [07610849] *  From: [email protected]
Wed 2026-08-26 09:40:09.457: [07610849] *  To: [email protected]
Wed 2026-08-26 09:40:09.457: [07610849] *  Subject: Inroducing Potensi 
Kerjasama  KIM x BTN
Wed 2026-08-26 09:40:09.457: [07610849] *  Message-ID: 
<[email protected]>
Wed 2026-08-26 09:40:09.457: [07610849] *  Size: 5177625; 
<c:\mdaemon\queues\remote\pd3501000092262.msg>
Wed 2026-08-26 09:40:09.460: [07610849] Resolving TXT record for 
_mta-sts.btn.co.id (DNS Server: 103.88.88.99)...
Wed 2026-08-26 09:41:08.592: [07610849] *  DNS: 60 second wait for DNS response 
exceeded (DNS Server: 103.88.88.99)
Wed 2026-08-26 09:41:08.592: [07610849] Resolving TXT record for 
_mta-sts.btn.co.id (DNS Server: 203.190.55.210)...
Wed 2026-08-26 09:41:08.724: [07610849] No MTA-STS TXT record found
Wed 2026-08-26 09:41:08.724: [07610849] Resolving MX record for btn.co.id (DNS 
Server: 103.88.88.99)...
Wed 2026-08-26 09:42:08.362: [07610849] *  DNS: 60 second wait for DNS response 
exceeded (DNS Server: 103.88.88.99)
Wed 2026-08-26 09:42:08.362: [07610849] Resolving MX record for btn.co.id (DNS 
Server: 203.190.55.210)...
Wed 2026-08-26 09:42:08.492: [07610849] *  P=005 S=000 D=btn.co.id TTL=(5) 
MX=[mx1.btn.co.id]
Wed 2026-08-26 09:42:08.492: [07610849] *  P=020 S=001 D=btn.co.id TTL=(5) 
MX=[mx2.btn.co.id]
Wed 2026-08-26 09:42:08.492: [07610849] Attempting SMTP connection to 
mx1.btn.co.id
Wed 2026-08-26 09:42:08.493: [07610849] Resolving A record for mx1.btn.co.id 
(DNS Server: 203.190.55.210)...
Wed 2026-08-26 09:42:08.616: [07610849] *  D=mx1.btn.co.id TTL=(2) 
A=[103.8.228.227]
Wed 2026-08-26 09:42:08.616: [07610849] Attempting SMTP connection to 
103.8.228.227:25
Wed 2026-08-26 09:42:08.618: [07610849] Waiting for socket connection...
Wed 2026-08-26 09:42:08.663: [07610849] *  Connection established 
192.168.19.3:54836 --> 103.8.228.227:25
Wed 2026-08-26 09:42:08.663: [07610849] Waiting for protocol to start...
Wed 2026-08-26 09:42:09.235: [07610849] <-- 554-mx1.btn.co.id
Wed 2026-08-26 09:42:09.235: [07610849] <-- 554 Your access to this mail system 
has been rejected due to the sending MTA's poor reputation. If you believe that 
this failure is in error, please contact the intended recipient via alternate 
means.
Wed 2026-08-26 09:42:09.235: [07610849] --> QUIT
Wed 2026-08-26 09:42:09.250: [07610849] Creating delivery failure DSN...
Wed 2026-08-26 09:42:09.250: [07610849] *  Recipient: 
[email protected]
Wed 2026-08-26 09:42:09.250: [07610849] *  Session-ID: 07610849
Wed 2026-08-26 09:42:09.250: [07610849] *  Queue-ID: pd3501000092262.msg
Wed 2026-08-26 09:42:09.250: [07610849] *  Message-ID: 
[email protected]
Wed 2026-08-26 09:42:09.250: [07610849] --- End DSN message creation
Wed 2026-08-26 09:42:09.253: [07610849] Socket connection closed by the other 
side (how rude!)
Wed 2026-08-26 09:42:09.253: [07610849] SMTP session terminated (Bytes in/out: 
221/6)




--
The contents of this e-mail and attachments are confidential and subject to 
legal privilege. 
If you are not the intended recipient, you are strictly prohibited and may be 
unlawful to use, copy, store, distribute, disclose or communicate any part of 
it to others and you are obliged to return it immediately to sender notify us 
and delete the e-mail and any attachments from your system.
PT Korea Investment Management Indonesia cannot guarantee that e-mail 
communications are secure or error-free, as information could be intercepted, 
corrupted, amended, lost, destroyed, arrive late or incomplete, or contain 
viruses.

--
--[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.com
Berlangganan: Kirim mail ke [email protected]
Henti Langgan: Kirim mail ke [email protected]
Versi terakhir: MDaemon 26.0.4, SecurityGateway 12.5.0



Kirim email ke