Faulty SMTP / DKIM - 10.48 version

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ixnay
Posts: 1
Joined: Wed Apr 17, 2024 5:34 pm

Faulty SMTP / DKIM - 10.48 version

Post by ixnay »

Hi guys

I have this issue with 10.48

So, today, out of nowhere, I started to get these weird messages on my SMTP service, which would immediately stop on most occasions, on others it just becomes unresponsive.

These are log entries from my SMTP debug file.

04/17/24 17:23:25 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
04/17/24 17:23:25 SendSMTPMessage handled an exception; session will be dropped.
Command: 502007E8E4F84E659367B1FA43255E67.MAI04/17/24 17:23:26 ME-I0018: [DE2E0128288B443B9621D83943741792.MAI] Outbound message from ([SMTP:*******@************]) requeued as [ED79AF3B51454D90AAA758F23F4E9157.MAI] to the target domain [********]
04/17/24 17:23:26 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
04/17/24 17:23:26 SendSMTPMessage handled an exception; session will be dropped.

Command: B51CBB81C0FC47299FC4DEBB9E21B5F3.MAI04/17/24 13:02:18 SendSMTPMessage handled an exception; session will be dropped.
Command: 3084A8EF8B884C4FA4C6B04697761CB5.MAI04/17/24 13:02:18 SendSMTPMessage handled an exception; session will be dropped.
Command: E8EAAFCCD53A4F82AF820768A59A7750.MAI04/17/24 13:02:18 SendSMTPMessage handled an exception; session will be dropped.

04/17/24 17:35:22 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
04/17/24 17:35:22 SendSMTPMessage handled an exception; session will be dropped.

04/17/24 17:35:25 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
04/17/24 17:35:25 SendSMTPMessage handled an exception; session will be dropped.

04/17/24 18:00:31 Service_DumpConnectionsToFile raised an exception.
The exception occurred in : ..\SERVICES\Library\LIBappStatus.cpp, line 341
04/17/24 18:00:31 Service_DumpConnectionsToFile raised an exception.
The exception occurred in : ..\SERVICES\Library\LIBappStatus.cpp, line 382

04/17/24 18:06:57 Service_DumpConnectionsToFile raised an exception.
The exception occurred in : ..\SERVICES\Library\LIBappStatus.cpp, line 341
04/17/24 18:06:57 Service_DumpConnectionsToFile raised an exception.
The exception occurred in : ..\SERVICES\Library\LIBappStatus.cpp, line 382
04/17/24 18:06:58 ME-I0074: [2884] (Debug) End of conversation

Could this be a bug in the DKIM module of Mailenable?

This is very inconvenient as my email server just hangs.

Thanks.

Admin
Site Admin
Posts: 1145
Joined: Mon Jun 10, 2002 6:31 pm
Location: Melbourne, Victoria, Australia

Re: Faulty SMTP / DKIM - 10.48 version

Post by Admin »

Do you have any AV installed on the server? Are you able to disable or exclude MailEnable temporarily to check whether this helps? One of the errors seems to be when reading/writing a message file, the other when just writing out a status file.

R4LRetro
Posts: 43
Joined: Wed Mar 25, 2020 1:32 pm

Re: Faulty SMTP / DKIM - 10.48 version

Post by R4LRetro »

This happens to us as well on Enterprise. We have Trend Micro Apex One installed but as of this time it's disabled, yet we still get this issue.

Also OP, your messages won't send. They will be dropped from the Outbound SMTP queue. This is a huge issue because to your end users they will think their email sent just fine.

cfdynamics
Posts: 164
Joined: Mon May 24, 2010 2:27 pm

Re: Faulty SMTP / DKIM - 10.48 version

Post by cfdynamics »

This same issue started popping up our servers yesterday. SMTP service seems to keep crashing with errors related to DKIM signing

The exception occurred in : SMTPOutbound.cpp, line 4389
08/22/24 13:04:18 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
08/22/24 13:04:18 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
08/22/24 13:04:18 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
08/22/24 13:04:18 DKIM_SignMessage raised an exception.
The exception occurred in : SMTPOutbound.cpp, line 4389
Kent Runyan
CFDynamics.com
Providing World Class Hosting Solutions for over two decades.

cfdynamics
Posts: 164
Joined: Mon May 24, 2010 2:27 pm

Re: Faulty SMTP / DKIM - 10.48 version

Post by cfdynamics »

This seems to have been fixed in release 10.49
Kent Runyan
CFDynamics.com
Providing World Class Hosting Solutions for over two decades.

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