In MDaemon if you go to Accounts / Account Manager / Select the account you are using for testing / Edit / ActiveSync / Clients, select the client that has the issue, right click and select Customi...

At first, I tested on "xiaomi redmi note 7". With the xiaomi calendar i am don't see this issue, only google calendar. Then it was Realme 8, and blackview bv 4900.

What is the make and model the Android phones have you tested with?  

Arron, i am upload a raw message. This is a best format because, the invitation is not encoded "base64"). Perhaps it would be more interesting.

Can you upload a copy of the message that is created in the RAW queue?  To do this, freeze the local queue, then reproduce the issue.  You should see a .RAW file file sitting in the RAW q...

Done.

Please post the rule that you are using from the cfrules.dat file and post a log snippet from the content filter log that shows MDaemon processing a message with multiple recipients that should mat...

Can you upload your airsync log file from MDaemon that includes the same time period as the XML logs?

When are you getting the error, when attaching the file or when sending the email?   If you are getting the error when attaching the file, it is probably not caused by MDaemon. What ver...

no it doesn't work

I've disabled all the notifications I've found, but it not fix my issue. Maybe it's because it says in the account settings: "not all functions may be supported in this account"?

I have set the following settings, but I am still not able to attach a 60MB file.

Good to know! Thanks!

Dude! They added it in release 24.0.0.

Any updates on this? It's way past "the first quarter of this year"...

The log shows the event being added to the server, and shortly after the client sending an email invite.   Is your calendar configured to send email notifications?  https://support...

Did my previous post about checking the X-MDaemon-Deliver-To header or the message ID header not solve the issue? When a message is addressed to multiple recipients, MDaemon creates a copy of th...

I receive duplicates in large quantities The sender having 6 people in the copy I receive 6 identical letters ccs_dep@dogma.com

You can find the global size limit in MDaemon under Setup / Servers & Delivery / Servers, Refuse messages larger than The per domain options can be found at Setup / Domain Manager / Select the...

Yes, edit the local.cf file in the Program Files\MDaemon Technologies\SecurityGateway\SpamAssassin\rules directory using a text editor such as notepad++ (Do not use notepad.exe) and add a line like...