Can you Use ‘Let’s Encrypt’ on Hybrid Exchange?
KB ID 0001770 Problem A few months ago I wrote an article about getting free exchange certificates with Lets ‘Encrypt’. And that still works peachy, I implemented it on my test Exchange 2019 server (in Hybrid mode) and all appeared well. Some time later, (remember this is my test network so it’s not in production.) I noticed that mail was not getting forwarded from O365 to the on premises Exchange server. I’ve...
Event ID 12014
KB ID 0000174 Problem Event ID 12014 Microsoft Exchange could not find a certificate that contains the domain name {name.domain.com} in the personal store on the local computer. Therefore, it is unable to support the STARTTLS SMTP verb for the connector SendConnector with a FQDN parameter of {name.domain.com}. If the connector’s FQDN is not specified, the computer’s FQDN is used. Verify the connector configuration and the...