You are trying to start a chat with someone from the Kerio Connect web client on Safari or Chrome browser on macOS and you see the error:
Server error Cannot create conversation <firstname.lastname@example.org>.
This happens due to a security feature being incompatible with Apple's devices.
This article provides the steps to resolve this error.
Administrator/root access to Kerio Connect.
Follow the below steps to resolve this issue:
- Stop the Kerio Connect service (Windows / macOS/Linux).
- Go to the Kerio Connect installation folder. Below are the default locations:
Windows: C:\Program Files\Kerio\MailServer\
- Make a backup of the
mailserver.cfgfile, so that in case if something is incorrect after the next steps, the file can still be restored back to it's original configuration.
- Open the
mailserver.cfgfile for editing.
- Find the line
- If it doesn't have the
wss: ws:as a part of it's value, then, add it as shown below:
<variable name="AppendHeaderContentSecurityPolicy">default-src 'self' 'unsafe-eval' 'unsafe-inline' *.kerio.com wss: ws: https: http:; img-src 'self'data:;</variable>
- Save the file and exit the editor.
- Start the Kerio Connect service (Windows / macOS/Linux).
The error will no longer appear when trying to chat with someone from the Kerio Connect web client on Safari or Chrome browser on macOS.