Email server connection failure

Email server connection failure

Hi
I have a problem with my email server.
when i send an email "Sending Notification Failed" message will appear.
Also i have Received This Error in Email server Log:

"ssl negotiation failed error code 0x80090327"

I have a wildcard SSL Certificate from Certum CA .Exported from Email Server and already Imported into Sevicedesk.

im Using Servicedesk MSP 10509
database is mssql server

here is some Screenshots in attachments



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