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MDaemon 11 and TLS 1.2

[Belov, Sergey]
Sergey Belov
Newbie
Newbie
Posts: 2
Sergey Belov - 06:05pm, Nov 13 2020

I have MDaemon 11.0.4 running at Windows Server 2008 R2 SP1.
KB3140245 installed. TLS 1.2 activated in a registry:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001

But MDaemon uses only TLS 1.0 not 1.2. I checked it by Qualys and OpenSSL (openssl s_client -tls1_2 -starttls smtp -crlf -connect 127.0.0.1:25).

I find a similar problem: David C, "some emails blocked" #1, 8 Nov 2019 4:41 pm
David C said: "MDaemon does not control the versions of SSL or the protocols, ciphers, hashes, and key exchange algorithms used in network connections to email clients and other mail servers."

Is it possible to use TLS 1.1 and TLS 1.2 in MDaemon 11.0.4? Or I should upgrade to MDaemon 14.5 or newer?

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Arron Caruth - Nov 13, 2020 7:42 pm (#1 Total: 2)  

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Posts: 1

You need to upgrade to MDaemon 14.5.0 or newer.  TLS 1.2 support was not added until version 14.5.0.

 

 

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Arron Caruth
Vice President of Product Development
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From: md-support@mdaemon.com [mailto:md-support@mdaemon.com] On Behalf Of lists-md-support@mdaemon.com (Sergey Belov)
Sent: Friday, November 13, 2020 5:06 PM
To: md-support@mdaemon.com
Subject: [md-support] MDaemon 11 and TLS 1.2

 

I have MDaemon 11.0.4 running at Windows Server 2008 R2 SP1.
KB3140245 installed. TLS 1.2 activated in a registry:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001

But MDaemon uses only TLS 1.0 not 1.2. I checked it by Qualys and OpenSSL (openssl s_client -tls1_2 -starttls smtp -crlf -connect 127.0.0.1:25).

Is it possible to use TLS 1.1 and TLS 1.2 in MDaemon 11.0.4? Or I should upgrade to MDaemon 14.5 or newer?


View/reply at MDaemon 11 and TLS 1.2

 
 
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support and discussion.  MDaemon staff members may participate in the 
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support please use the form here:
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Sergey Belov - Nov 14, 2020 4:41 am (#2 Total: 2)  

 

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Sergey Belov
Newbie
Newbie
Posts: 2
Thank you!

To help someone else google and find out this problem:

<-- 220 2.0.0 Ready to start TLS

SSL negotiation failed, error code 0x80090302

<-- 220 2.0.0 Ready to start TLS

SSL negotiation failed, error code 0x80090308

[Last Editor: Sergey Belov, Nov 14, 2020 4:48 am. Total Edits: 2]



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