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Build 9686 (Jul 9, 2026)
Question asked by kevind - 7/10/2026 at 7:37 AM
Unanswered
New Build available! Let us know if it works for you so the rest of us can feel comfortable upgrading. 🙂

  • Changed: Windows installer now supports custom username/password for service installation and logon.
  • Fixed: [HA] [HUB] ACME Certs can fail renewal under certain conditions.
  • Fixed: [HA] [HUB] Denial of Service IDS rules are getting double incremented.
  • Fixed: [HA] Hub setup has errors when a new hub joins.
  • Fixed: [HA] Suspending the leader hub can cause nodes to go inactive.
  • Fixed: Bulk attaching domains does not validate the domain names correctly.
  • Fixed: Calendar webcal subscriptions incorrectly parse event end times.
  • Fixed: In some cases, outgoing emails stay in the Drafts folder after sending from webmail.
  • Fixed: Linux path validation for domain primary path does not work as expected for new domains.
  • Fixed: Occasionally emails that contain certain unicode characters in the Subject fail to sync (EWS).
  • Fixed: Outlook (IMAP) does not sync emails to webmail when a folder has special characters in the name.
  • Fixed: Server can hang at startup under certain conditions.
Installed. All ok...
Gabriele Maoret - Head of SysAdmins and CISO at SERSIS
Currently manages 7 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 6 on-premise for customers who prefer to have their mail server in-house)
TOAST.net Replied
7/10/2026 at 2:36 PM
Installed on our test server this morning. Everything looks good so far. 
NOthing to see here as of now. Spamfoo is also running with very low ressource usage.
C
Christian Schmit Replied
7/11/2026 at 5:24 AM
Installed. All ok so far.
S
Sagar Replied
7/11/2026 at 7:26 PM
I have version of 9672, and after this smartermail service crashed. will this new version able to fix this issue:
Faulting application name: MailService.exe, version: 100.0.9672.29678, time stamp: 0x69e20000
Faulting module name: mscoreei.dll, version: 4.8.9221.0, time stamp: 0x68531e97
Exception code: 0xc00000fd
Fault offset: 0x000000000000f7af
Faulting process id: 0xEE0
Faulting application start time: 0x1DD0882A30E0848
Faulting application path: C:\Program Files (x86)\SmarterTools\SmarterMail\Service\MailService.exe
Faulting module path: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscoreei.dll
Report Id: 441c0390-9ea6-43eb-8990-a71127fcaa55
Faulting package full name:
Faulting package-relative application ID:

Fault bucket , type 0
Event Name: APPCRASH
Response: Not available
Cab Id: 0

Problem signature:
P1: MailService.exe
P2: 100.0.9672.29678
P3: 69e20000
P4: mscoreei.dll
P5: 4.8.9221.0
P6: 68531e97
P7: c00000fd
P8: 000000000000f7af
P9:
P10:
Sébastien Riccio Replied
7/11/2026 at 11:44 PM
9672 has been retired because it had a quite annoying issue. You should use at least 9673, but I guess 9686 is the best bet at the moment.
Sébastien Riccio
System & Network Admin
Go to 9686. It's actually the best release.
Gabriele Maoret - Head of SysAdmins and CISO at SERSIS
Currently manages 7 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 6 on-premise for customers who prefer to have their mail server in-house)
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