This has been a long and seriously outstanding issue, I have to resort to making my own fix using codex,  I start on this next week, will keep you updated.  just so meny fixes AI is wonde...

Hi all, We had an issue where MDaemon stopped updating its Let’s Encrypt SSL certificate automatically. The failure was not DNS, ACME validation, or the certificate itself. The script was f...

 meaning those Let's Encrypt expiration notices simply bounce and are never seen by the administrator. LetsEncrypt no longer sends expiration notices. https://letsencrypt.org/2025/01/22/end...

Thank you for the context. I understand the goal is to make server identification easier in a multi-node environment. However, the issue with hardcoding the FQDN is that it assumes the server's ho...

If I recall correctly, we used the FQDN to more easily identify the server if you had multiple servers hosting mail for the same domain.  

Thanks dear Arron, Another quick report about the script: There is another issue about how $FQDN is defined and subsequently used to construct the $email variable in the script causing the email b...

I've made the changes for the next major version of MDaemon. I'm sure you already know this, but in general, it is reccomended that you use new keys.  There is nothing wrong with re-using key...

Hello, While testing the current Let's Encrypt PowerShell script included with MDaemon (v2.0.16), I noticed that a new certificate key pair is generated during every renewal: if(Test-Path $CertKe...

MDaemon 26.0.3 is now available! It can be downloaded from https://mdaemon.com/pages/downloads-mdaemon-mail-server-free-trial. MDaemon 26.0.3 - 2026-06-09 CHANGES AND NEW FEATURES [29572] ...

SecurityGateway 12.0.3 is now available! It can be downloaded from https://mdaemon.com/pages/downloads-security-gateway-free-trial. SecurityGateway 12.0.3 2026-06-09 CHANGES AND NEW FEATURES...

Worked fine, thank you very much. Claudio.

@Arron  Thanks for the reply, I'll take a look through the airsync logs and see what I can find. Calendar problems are with Samsung Galaxy S21's

@Paul  Would we be able to get a copy of the calendar folder so we can do some testing with it? If you are able to share it, please upload it to us.  https://mdaemon.sharefile.com/r-rc3...

By default the system only allows FQDN to be used.  If you'd like to use other host names, edit the MDaemon\WorldClient\domains.ini file and in the [Default:Settings] section add a key like th...

I have an Mdaemon server with multiple domain but Webconference only works if connect at the address https://imaps.xxx.com If I use https://webmail.xxx.com (or some other link that resolve to the ...

@Jerry  The original issue posted in this thread is specific to IOS devices. To help me keep things straight, please start a new thread with the following: What version of MDaemon are you us...

Hi, I am currently seeing similar issues but only with certain users with the loading of calendars but on Android devices. What do I look for in the Airsync log to see if the phone is deleting ca...

Just to confirm, you are not pushing any settings to the MDaemon Connector clients? Have you tried setting the registry key described here, https://support.microsoft.com/en-us/office/outlook-roami...

@Arron  Thanks for your answer.Push Signature (push settings in general) is disabled, the Connector does not force parameters. MDaemon is last release (26.0.2)Connector is 8.0.4 (64 bits) F...

Is it possible to reduce the number of items in the shared calendar?  And configure the iPhones to only sync 1 month of data?   There are currently about 11,000 items in the shared ...