[mdaemon-l] host can't be resolved

2021-01-13 Terurut Topik Syafril Hermansyah via mdaemon-l 
On 14/01/21 14.05, Rievo Niemrod E wrote:
> Dear Pak Syafril mohon bantuannya untuk update log error di bawah ini


> Thu 2021-01-14 12:39:22.249: [17093396] --> 250-bb.ptbmi.com Hello 
> NAM04-DM6-obe.outbound.protection.outlook.com [40.107.102.63], pleased to 
> meet you


Sudah diupdate ke

ftp://ftp.dutaint.com/altn-mdaemon/miscl/HeloLookupWL.dat

-- 
syafril

Syafril Hermansyah

MDaemon-L Moderator, run MDaemon 21.0 64bit
Mohon tidak kirim private mail (atau cc:) untuk masalah MDaemon.

I am who I am today because of the mistakes I made yesterday.
--- The Prolific Penman



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[mdaemon-l] host can't be resolved

2021-01-13 Terurut Topik Rievo Niemrod E 
Selamat Siang 

 

Dear Pak Syafril mohon bantuannya untuk update log error di bawah ini

 

Terima Kasih

Rievo

 

Thu 2021-01-14 12:40:11.574: --

Thu 2021-01-14 12:39:21.959: [17093396] Session 17093396; child 0001

Thu 2021-01-14 12:39:21.959: [17093396] Accepting SMTP connection from
40.107.102.63:51107 to 172.16.0.6:25

Thu 2021-01-14 12:39:21.959: [17093396] Location Screen says connection is
from United States, North America

Thu 2021-01-14 12:39:21.959: [17093396] --> 220 bb.ptbmi.com ESMTP MDaemon
20.0.3; Thu, 14 Jan 2021 12:39:21 +0700

Thu 2021-01-14 12:39:22.249: [17093396] <-- EHLO
NAM04-DM6-obe.outbound.protection.outlook.com

Thu 2021-01-14 12:39:22.249: [17093396] --> 250-bb.ptbmi.com Hello
NAM04-DM6-obe.outbound.protection.outlook.com [40.107.102.63], pleased to
meet you

Thu 2021-01-14 12:39:22.249: [17093396] --> 250-ETRN

Thu 2021-01-14 12:39:22.249: [17093396] Location Screening hiding AUTH from
country United States, North America

Thu 2021-01-14 12:39:22.249: [17093396] --> 250-8BITMIME

Thu 2021-01-14 12:39:22.249: [17093396] --> 250-ENHANCEDSTATUSCODES

Thu 2021-01-14 12:39:22.249: [17093396] --> 250-STARTTLS

Thu 2021-01-14 12:39:22.249: [17093396] --> 250 SIZE 36700160

Thu 2021-01-14 12:39:22.520: [17093396] <-- STARTTLS

Thu 2021-01-14 12:39:22.520: [17093396] --> 220 2.7.0 Ready to start TLS

Thu 2021-01-14 12:39:23.090: [17093396] SSL negotiation successful (TLS 1.2,
384 bit key exchange, 256 bit AES encryption)

Thu 2021-01-14 12:39:23.360: [17093396] <-- EHLO
NAM04-DM6-obe.outbound.protection.outlook.com

Thu 2021-01-14 12:39:23.360: [17093396] --> 250-bb.ptbmi.com Hello
NAM04-DM6-obe.outbound.protection.outlook.com [40.107.102.63], pleased to
meet you

Thu 2021-01-14 12:39:23.360: [17093396] --> 250-ETRN

Thu 2021-01-14 12:39:23.360: [17093396] Location Screening hiding AUTH from
country United States, North America

Thu 2021-01-14 12:39:23.360: [17093396] --> 250-8BITMIME

Thu 2021-01-14 12:39:23.360: [17093396] --> 250-ENHANCEDSTATUSCODES

Thu 2021-01-14 12:39:23.360: [17093396] --> 250-REQUIRETLS

Thu 2021-01-14 12:39:23.360: [17093396] --> 250 SIZE 36700160

Thu 2021-01-14 12:39:23.635: [17093396] <-- MAIL
FROM: SIZE=27637

Thu 2021-01-14 12:39:23.640: [17093396] Performing PTR lookup
(63.102.107.40.IN-ADDR.ARPA)

Thu 2021-01-14 12:39:23.692: [17093396] *  D=63.102.107.40.IN-ADDR.ARPA
TTL=(60) PTR=[mail-dm6nam08on2063.outbound.protection.outlook.com]

Thu 2021-01-14 12:39:24.105: [17093396] *
D=mail-dm6nam08on2063.outbound.protection.outlook.com TTL=(60)
A=[40.107.102.63]

Thu 2021-01-14 12:39:24.105: [17093396]  End PTR results

Thu 2021-01-14 12:39:24.106: [17093396] Performing IP lookup
(NAM04-DM6-obe.outbound.protection.outlook.com)

Thu 2021-01-14 12:40:24.316: [17093396] *  DNS: 60 second wait for DNS
response exceeded (DNS Server: 208.77.0.11)

Thu 2021-01-14 12:40:24.798: [17093396] *  DNS server reports domain name
unknown

Thu 2021-01-14 12:40:24.798: [17093396]  End IP lookup results

Thu 2021-01-14 12:40:24.798: [17093396] --> 501 5.7.0
NAM04-DM6-obe.outbound.protection.outlook.com host can't be resolved

Thu 2021-01-14 12:40:24.799: [17093396] SMTP session terminated (Bytes
in/out: 702/3824)

Thu 2021-01-14 12:40:24.799: --


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[mdaemon-l] Mdaemon SSLv3

2021-01-13 Terurut Topik Syafril Hermansyah via mdaemon-l 
On 13/01/21 16.21, Arif Santoso wrote:
> Apakah Mdaemon sudah support SSLv3.


Dari dulu sudah support, tetapi tidak direkomendasi digunakan baik oleh Windows
maupun MDaemon.

SSl/TLS adalah tugas/tanggung jawab dari Operating System, bukan aplikasi.
Dengan demikian pengaktifan/penon aktifan dilakukan di OS.
Win10/W2K16 keatas sudah otomatis menonaktifkan SSLv3, kalau di windows lama
maka harus dilakukan secara manual.

https://www.brankovucinec.com/disable-the-sslv3-protocol-on-microsoft-windows-servers/

https://www.digicert.com/kb/ssl-support/iis-disabling-ssl-v3.htm

https://gallery.technet.microsoft.com/scriptcenter/PowerShell-Disable-SSLv3-c258ed01

setelah sslv3 di OS tidak diaktifkan maka MDaemon akan otomatis mengikuti.

penjelasan lebih rinci bisa lihat disini

https://www.mail-archive.com/mdaemon-l@dutaint.com/msg43010.html
https://www.mail-archive.com/mdaemon-l@dutaint.com/msg43011.html



-- 
syafril

Syafril Hermansyah

MDaemon-L Moderator, run MDaemon 21.0 64bit
Mohon tidak kirim private mail (atau cc:) untuk masalah MDaemon.

%
Menularkan pesimisme cuma perlu modal gombal. Tapi membangun harapan harus
dengan kerja keras dan hasil nyata.
--- Dahlan Iskan



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[mdaemon-l] Mdaemon SSLv3

2021-01-13 Terurut Topik Arif Santoso 
Dear Pak,

 

Apakah Mdaemon sudah support SSLv3. 

Poodle (SSLv3 protocol)


This server is vulnerable to a
 Poodle (SSLv3)
attack. 


  More
information.


. Disable SSLv3 protocol completely on your server, and do not
support it as a protocol. Use TLSv1.2 protocol or higher. Contact your web
server vendor for assistance.


 

Rgds,

 

Arif 


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